Occupational Title | Brief Number | HOC Code |
| 411 Operators (receptionists) | 107 | CSE |
| 911 Operators (receptionists) | 107 | CSE |
| Able Seamen (merchant mariners) | 379 | RES |
| Academic Deans | 93 | SEA |
| Academic Deans-Registrar | 371 | ESC |
| Academic Librarians | 82 | SEC |
| Accountants | 63 | CSI |
| Accountants, Certified Public | 63 | CSI |
| Accountants, Government | 63 | CSI |
| Accountants, Management | 63 | CIE |
| Accountants, Public | 63 | CSI |
| Accountants, Tax | 63 | ECS |
| Account Executives | 433 | ESC |
| Account Executives (advertising agency) | 113 | AES |
| Accounting Clerks (bookkeepers) | 26 | CSR |
| Acquisitions Librarians | 82 | SAI |
| Acquisitions Librarians (health sciences) | 9 | SAI |
| Acrobats (circus performers) | 251 | AER |
| Activated Sludge Operators (water & wastewater treatment) | 517 | REI |
| Actors and Actresses | 205 | AES |
| Actuaries | 346 | ISE |
| Acupressurists (acupuncturists) | 249 | ISR |
| Acupuncturists | 249 | IRE |
| Acute Care Nurses | 75 | SIA |
| Addiction Counselors | 217 | SEA |
| Addiction Psychiatrists | 347 | ISA |
| Addiction Treatment Administrators | 623 | ESA, SEA |
| Adjudications Officers | 105 | no code |
| Adjunct Faculty (college & university faculty members) | 184 | SEI |
| Administrative Assistants (congressional aides) | 525 | ESC |
| Administrative Assistants (secretaries) | 19 | ESC |
| Administrative Managers | 605 | ESR |
| Administrative Officers | 189 | ESA |
| Administrative Support Staff (publishing) | 231 | SEI |
| Administrators, Web | 296 | IRC |
| Admissions Directors, College and University | 65 | ESA |
| Admitting Clerks, Hospital | 448 | ECS |
| Admitting Directors (hospital admitting) | 448 | ESA |
| Admitting Interviewers | 214 | ECS |
| Admitting Managers, Hospital | 448 | ESA |
| Admitting Supervisors (hospital admitting) | 448 | ESA |
| Adult Day-Care Coordinators | 381 | SEA |
| Advance Agents (theatrical production) | 612 | ESR |
| Advertising Agency Workers | 113 | no code |
| Advertising and Promotions Managers (publishing) | 231 | ESA, ESC |
| Advertising Sales Agents (publishing) | 231 | ESR |
| Aerial Artists (circus performers) | 251 | REA |
| Aerial Photographers | 12 | IER |
| Aerobics Instructors (health club fitness) | 282 | SEC |
| Aerodynamics Engineers (aerospace) | 159 | IRE |
| Aeronautical Drafters | 22 | IRC |
| Aeronautical Engineers | 159 | IRS |
| Aeronomers | 148 | IRS |
| Aerospace Engineers | 159 | IRS |
| Aerospace Products and Parts Manufacturing Workers | 509 | no code |
| Agency Managers (advertising) | 113 | AES |
| Agricultural Aircraft Pilots | 411 | IRE |
| Agricultural and Biological Engineers | 176 | IRE |
| Agricultural Chemists | 153 | IRE |
| Agricultural Commodity Graders (consumer safety officers) | 620 | REI |
| Agricultural Supply Sales Representatives | 498 | ESR |
| Agronomists | 179 | IRS |
| Air-Conditioning and Heating Technicians (heating & cooling) | 225 | RES |
| Air-conditioning Repairers (automobile) | 45 | RES |
| Aircraft Inspectors (technicians) | 182 | IRE |
| Aircraft Mechanics | 182 | RIE |
| Aircraft Repair Technicians | 182 | RIE |
| Aircraft Structure, Surfaces, Rigging, & Sys Assemblers (aerospace man | 509 | RCE, RIE |
| Aircraft Technicians | 182 | RIE |
| Air Force Personnel | 439 | no code |
| Airframe Technicians | 182 | RIE |
| Airline Dispatchers | 267 | ESI |
| Airline Flight Attendants | 41 | ESR |
| Airplane Pilots, Commercial | 29 | RIE |
| Airport Managers | 457 | ESR |
| Airport Security Workers | 271 | CRS |
| Airport Tower Controllers (air traffic) | 322 | SER |
| Air Traffic Controllers | 322 | no code |
| Aligners, Barrel and Receiver (firearms industry) | 399 | RIE |
| All-around Machinists | 32 | RIE |
| Allergists | 353 | ISE |
| Alumni Directors | 669 | ESA |
| Analysts | 626 | AES, ERS |
| Analysts, Computer Systems | 337 | IER |
| Analysts, Credit (loan officers) | 443 | CRS |
| Analysts, Data Communications (telecommunications workers) | 690 | RSI |
| Analysts, Handwriting | 618 | ACS |
| Analysts, Job | 272 | IES |
| Analysts, Management | 136 | ICR |
| Analysts, News (radio & televison news reporters) | 466 | ESI |
| Analysts, Operations Research | 514 | IRE |
| Analysts, Research (marketing researchers) | 254 | SER |
| Analysts, Stress (aerospace engineers) | 159 | RIE |
| Analytical Chemists | 153 | IRE |
| Anatomic Pathologists | 230 | IRE |
| Anchors, News (radio & television news reporters) | 466 | ESI |
| Anesthesiologist Assistants | 502 | ISA |
| Anesthesiologists | 452 | IRS |
| Anesthetists, Nurse | 662 | ISE |
| Animal Attendants | 319 | RCS |
| Animal Behavior Counselors | 508 | RES, SEC |
| Animal Behaviorists | 547 | IRE |
| Animal Behaviorists | 237 | IRE |
| Animal Behaviorists, Applied | 547 | IRE |
| Animal Behaviorists (scientists) | 238 | IAR |
| Animal Breeders | 644 | RES |
| Animal Caretakers | 319 | RCS |
| Animal Control Officers (caretakers) | 319 | SRE |
| Animal Ecologists | 237 | IRE |
| Animal Eviscerators (slaughtering & meat-packing production) | 423 | RES |
| Animal Nutritionists | 238 | IRS |
| Animal Physiologists (zoologists) | 237 | IRE |
| Animal Presenters (circus performers) | 251 | RES |
| Animal Scientists | 238 | IRS |
| Animal Shelter Attendants | 319 | RCS |
| Animal Stickers (slaughtering & meat-packing production) | 423 | REC |
| Animal Trainers | 508 | RES, SEC |
| Animal Trainers, Companion | 508 | RES, SEC |
| Animal Trainers, Domestic | 508 | RES, SEC |
| Animal Trainers, Marine | 508 | RES, SEC |
| Animal Trainers, Wild | 508 | RES, SEC |
| Animators | 8 | AES |
| Animators (cartoonists) | 124 | AES |
| Animators (video game developers) | 678 | AER |
| Annealers (bench jewelers) | 640 | CRE |
| Announcers | 54 | SCE |
| Announcers (radio & television broadcasting) | 428 | SCE |
| Answering Service Operators (receptionists) | 107 | CSE |
| Anthropologists | 382 | IRE |
| Anthropologists, Biological | 382 | IRE |
| Anthropologists, Biophysical | 382 | IRE |
| Anthropologists, Cultural | 382 | IRE |
| Anthropologists, Forensic | 382 | IRE |
| Anthropologists, Linguistic | 382 | IRE |
| Anthropologists, Physical | 382 | IRE |
| Anthropologists, Sociocultural | 382 | IRE |
| Antiques Dealers | 617 | ESC |
| Apiculturists (entomologists) | 243 | IRE |
| Apparel Industry Workers | 35 | no code |
| Appliance Service Technicians | 336 | RIE |
| Applications Adjudicators | 105 | no code |
| Applications Engineers | 614 | IES |
| Applications Programmers | 177 | IRC |
| Applied Animal Behaviorists | 547 | IRE |
| Applied Mathematicians | 162 | IER |
| Applied Statisticians | 165 | IRE |
| Appraisers, Auto Damage (insurance claim adjusters) | 300 | ERS |
| Appraisers, Personal Property | 391 | RIS |
| Appraisers, Real Estate | 257 | SCE |
| Apprenticeship Consultants (training & development specialists) | 572 | EIS, SRE |
| Aquaculture Farmers (fish farm) | 190 | ESA |
| Aquaculturists | 543 | IRE |
| Aquaculturists (fish farm workers) | 190 | IRE |
| Aquaculturists (zoologists) | 237 | IRE |
| Aquatic Biologists | 543 | IRE |
| Aquatic Biologists (fish farm workers) | 190 | IRE |
| Aquatic Botanists | 635 | IRE |
| Aquatic Ecologists (zoologists) | 237 | IRE |
| Arbitrators | 609 | SEA |
| Arborists | 291 | REI |
| Arborists, Commercial | 291 | REI |
| Arborists, Municipal | 291 | REI |
| Arborists, Utility | 291 | RSE |
| Archaeologists | 343 | IRE |
| Archaeologists (anthropologists) | 382 | IRE |
| Archaeologists, Classical | 343 | IRE |
| Archaeologists, Historical | 343 | IRE |
| Archaeologists, Industrial | 343 | IRE |
| Archaeologists, New World | 343 | IRE |
| Archaeologists, Old World | 343 | IRE |
| Archaeologists, Prehistoric | 343 | IRE |
| Architects | 51 | AIR |
| Architects, Landscape | 164 | AIR |
| Architects, Marine (marine engineers) | 163 | IRE |
| Architects, Naval | 585 | IRE |
| Architectural Drafters | 22 | RCI |
| Archivists | 610 | AES |
| Arc Welders | 27 | RIS |
| Armed Forces Personnel | 439 | no code |
| Armoured-Car Guards (security officers) | 170 | SER |
| Art and Design Workers (publishing) | 231 | AER, ARS, CIR, CRA |
| Art Directors (advertising agency) | 113 | AES |
| Art Directors (motion picture) | 262 | AES |
| Art Directors (publishing) | 231 | AES |
| Art Directors (video game developers) | 678 | AER |
| Artificial Insemination Technicians | 511 | REI |
| Artificial Intelligence Programmers | 678 | IRC |
| Artificial Intelligence Specialists | 516 | IRE |
| Artists, Fine | 653 | no code |
| Artists, Graphics (video game developers) | 678 | AER |
| Artists, Layout (advertising agency) | 113 | AER |
| Artists, Makeup (stage production technical staff) | 675 | AER |
| Artists, Nail | 602 | ESC |
| Artists (pottery & porcelain ware industry) | 137 | RIE |
| Artists, Stained Glass | 641 | ASE |
| Artists, Trapeze (circus performers) | 251 | REA |
| Arts Administrators | 535 | ESC, ESR |
| Arts and Cultural Planners | 535 | ESC, ESR |
| Art Teachers | 46 | ASE, SAE |
| Art Therapists | 1 | SAE |
| Asbestos Abatement Workers (hazardous materials removal) | 566 | RES |
| Assemblers (apparel industry) | 35 | CSR |
| Assemblers (dry cleaning) | 34 | CRS |
| Assemblers (electrical and electronics industry) | 318 | RES |
| Assemblers and Fabricators (motor vehicle & parts manufacturing) | 376 | RCE, REC |
| Assemblers (firearms industry) | 399 | RSE |
| Assemblers (pleasure craft boatbuilders) | 661 | REI |
| Assemblers (sporting goods production) | 567 | CRE |
| Assemblers (temporary workers) | 674 | RCE |
| Assembly Inspectors (firearms industry) | 399 | RCE |
| Assembly Machine Operators (pen & pencil industry) | 557 | RCE |
| Assessors | 465 | IES |
| Asset Managers | 122 | ESR |
| Assistant Account Executives (advertising agency) | 113 | AES |
| Assistant Court Clerks | 304 | CSE |
| Assistant Dispatchers (airline) | 267 | ESI |
| Assistant Engineers (recording industry) | 317 | RCS |
| Assistant Fire Chiefs (fire fighters) | 69 | EIS |
| Assistant Gaffers (motion picture industry) | 2 | REI |
| Assistant Lodging Managers | 350 | ESR |
| Assistant Managers (fast-food) | 340 | SER |
| Assistant Principals | 247 | SEA |
| Assistant Professors (college & university faculty members) | 184 | SEI |
| Assistant Restaurant Managers | 100 | ESR |
| Assistant Retail Buyers | 95 | ESR |
| Associate and Assistant Editors (publishing) | 231 | AES, CIA |
| Associate Directors (association executives) | 549 | ESR |
| Associate Professors (college & university faculty members) | 184 | SEI |
| Association Executives | 549 | ESA |
| Astronautical Engineers | 159 | IRS |
| Astronauts | 192 | IRS |
| Astronomers | 210 | IRE |
| Astronomers, Radio | 210 | IRE |
| Astronomers, Solar | 210 | IRE |
| Astrophysicists (astronomers) | 210 | IRE |
| Asylum Officers | 105 | no code |
| Athletes, Professional | 651 | SRC |
| Athletics Directors | 627 | SER |
| Athletic Trainers | 524 | SRE |
| Atmospheric Chemists | 143 | IRS |
| Atmospheric Scientists | 143 | IRS |
| Atmospheric Scientists | 148 | IRS |
| Attorneys | 94 | ESI |
| Attorneys, District (lawyers) | 94 | EIA |
| Auction Assistants (auctioneers) | 102 | CES |
| Auction Cashiers (auctioneers) | 102 | no code |
| Auction Clerks (auctioneers) | 102 | CES |
| Auctioneers | 102 | EAS |
| Audio Engineers (recording industry) | 317 | RES |
| Audiologists | 595 | ISR |
| Audio Maintenance Engineers (recording industry) | 317 | RES |
| Audio Programmers/Engineers | 678 | IRC |
| Auditing Clerks (bookkeepers) | 26 | CRE |
| Auditors | 101 | EIS |
| Auditors, Energy | 575 | RES |
| Auditors, External | 101 | EIS |
| Auditors, Government | 101 | ECI |
| Auditors, Information Systems | 101 | CIS |
| Auditors, Internal | 101 | ICR |
| Auditors, Internal (accountants) | 63 | ICR |
| Auditors, Tax | 101 | CES |
| Auditors, Unemployment Insurance | 101 | no code |
| Auto Damage Appraisers (insurance claim adjusters) | 300 | ERS |
| Automatic Oven Operators (bakery products) | 410 | RCE |
| Automatic Print Developers (photofinishing laboratory technicians) | 310 | RCS |
| Automobile Detailers (carwash attendants) | 589 | RCE |
| Automobile Mechanics | 45 | RCI |
| Automobile Salespersons | 133 | ESR |
| Automobile Technicians | 45 | RCI |
| Automotive Accessories Installers | 446 | RES |
| Automotive Body Customizers (accessories installers) | 446 | RES |
| Automotive Body Repairers | 96 | RIE |
| Automotive Painters (accessories installers) | 446 | RCE |
| Automotive Painters (body repairers) | 96 | RCE |
| Automotive Parts Salespersons | 307 | ESC |
| Automotive Technicians | 45 | RCI |
| Aviation Maintenance Technicians | 182 | RIE |
| Aviation Technicians | 182 | RIE |
| Avionics Technicians | 182 | RIE |
| Babysitters (child care workers) | 604 | SAE |
| Back Padders (upholsterers) | 219 | CRE |
| Back Tenders (paper products manufacturing) | 378 | RES |
| Baggers | 108 | RCE |
| Bail Agents | 406 | SCE |
| Bailiffs | 331 | ESR |
| Bakers (bakery products) | 410 | RSE |
| Bakery Helpers (bakery products) | 410 | REC |
| Bakery Products Workers | 410 | no code |
| Ballet Dancers | 394 | AER |
| Ballistics Analysts (forensic scientists) | 275 | IRE |
| Ballpoint Pen Assembly Machine Tenders (pen & pencil industry) | 557 | RSI |
| Ballpoint Pen Cartridge Testers (pen & pencil industry) | 557 | REI |
| Bankers, Investment (financial planners) | 597 | ESC |
| Bank-Note Designers (engravers) | 240 | AER |
| Bank Tellers | 73 | CSE |
| Bar-backs (bartenders) | 544 | RCE |
| Barbers (cosmetologists) | 7 | ESR |
| Bareback Bronc Riders | 677 | RES |
| Barker Operators (paper products manufacturing) | 378 | RCE |
| Barrel Racers | 677 | RES |
| Barrel and Receiver Aligners (firearms industry) | 399 | RIE |
| Bartenders | 544 | SEC |
| Baseball Glove Shapers (sporting goods production) | 567 | RES |
| Batch Loaders (paint & coatings industry) | 56 | RIE |
| Battalion Chiefs (fire fighters) | 69 | EIS |
| Batter Mixers (bakery products) | 410 | RCS |
| Beaming Inspectors (leather tanning & finishing) | 297 | REC |
| Beater Operators (paper products manufacturing) | 378 | RES |
| Bed and Breakfast Proprietors | 24 | ESR |
| Bed Managers (fish farm) | 190 | ESA |
| Beekeepers | 429 | RES |
| Behavioral Disorder Counselors | 217 | SEA |
| Behavioral Ecologists (animal behaviorists) | 547 | IRE |
| Bellhops (resort industry) | 50 | ERS |
| Bench Hands (bakery products) | 410 | RES |
| Bench Jewelers | 640 | REC |
| Bench Technicians | 90 | RES |
| Bench Technicians (cable television) | 244 | REC |
| Bench Tool Makers (die) | 60 | RIE |
| Benefits Managers (human resources) | 258 | ESC |
| Best Boys (motion picture industry) | 2 | REI |
| Bilingual Teachers | 654 | SER |
| Bill Collectors | 621 | ESC |
| Billing Clerks (office) | 3 | CRS |
| Bindery Workers | 91 | REC |
| Biochemists | 132 | IRS |
| Biochemists (biotechnologists) | 634 | IRS |
| Biochemists, Plant (botanists) | 635 | IRS |
| Bioengineers, Orthopedic | 519 | IRE |
| Biohazard Specialists (hazardous waste management) | 537 | ESI |
| Bioinformaticians | 72 | IAR, IER, IRE |
| Bioinstrumentation Engineers | 519 | IRE |
| Biological Anthropologists | 382 | IRE |
| Biological Oceanographers | 200 | IRE |
| Biological Photographers | 208 | RIS |
| Biological Photographers | 12 | RIS |
| Biologists, Aquatic | 543 | IRE |
| Biologists, Marine | 543 | IRE |
| Biologists, Marine (oceanographers) | 200 | no code |
| Biologists, Molecular (biotechnologists) | 634 | IAR |
| Biologists, Wildlife | 453 | IRE |
| Biomaterials Engineers | 519 | IRE |
| Biomechanical Engineers | 519 | IRE |
| Biomedical Engineers | 519 | IRE |
| Biomedical Equipment Technicians | 468 | RIE |
| Biophotographers | 208 | RIS |
| Biophysical Anthropologists | 382 | IRE |
| Biophysicists | 175 | IRE |
| Biophysicists, Plant (botanists) | 635 | IRE |
| Bioprocess Engineers (biotechnologists) | 634 | IAR |
| Biostatisticians | 165 | IRE |
| Biotechnicians (biotechnologists) | 634 | RCS |
| Biotechnologists | 634 | no code |
| Blacksmiths, Ornamental | 588 | RIC, RIE |
| Blanching Machine Tenders (canning & preserving) | 389 | RES |
| Blasters (mining industry) | 187 | RSE |
| Blast Furnace Helpers (iron & steel industry) | 305 | RES |
| Blast Furnace Keepers (iron & steel industry) | 305 | RSE |
| Blast Furnace Supervisors (iron & steel industry) | 305 | ERS |
| Blockmasons (masons) | 10 | RSE |
| Blood Bank Technologists | 71 | IEA |
| Blowers (iron & steel industry) | 305 | ERS |
| Boatbuilders, Pleasure Craft | 661 | REI |
| Boat Outfitters (pleasure craft boatbuilders) | 661 | REI |
| Boat Riggers (pleasure craft builders) | 661 | RSE |
| Boatswains (commercial fishermen) | 404 | ERC |
| Boatswains (merchant mariners) | 379 | RES |
| Bodyguards | 425 | ESC |
| Body-Modification Professionals | 689 | AEC |
| Body Specialists (automotive repairers) | 96 | RES |
| Boilerhouse Mechanics (boilermakers) | 529 | RES |
| Boilermakers | 529 | RSE |
| Boiler Mechanics (boilermakers) | 529 | RES |
| Bonding Agents | 406 | SCE |
| Bookbinders (bindery workers) | 91 | RES |
| Bookkeepers | 26 | CSI |
| Bookkeeping and Accounting Clerks (office) | 3 | CSR |
| Boom Operators, Microphone (motion picture industry) | 2 | RES |
| Booth Cashiers (gaming) | 577 | no code |
| Border Patrol Agents | 408 | SRE |
| Bosuns (merchant mariners) | 379 | RES |
| Botanists | 635 | IRS |
| Botanists, Aquatic | 635 | IRE |
| Bottling Operators (dairy products manufacturing) | 173 | CRE |
| Bowling Ball Engravers (sporting goods production) | 567 | RCE |
| Box Office Cashiers (motion picture theater) | 70 | CES |
| Box Office Managers (theatrical production) | 612 | SEC |
| Braille Transcribers | 670 | CSR |
| Braillists | 670 | CSR |
| Brake Operators (railroad) | 14 | CES, RIE |
| Brake Technicians (automobile) | 45 | RES |
| Breeders, Animal | 644 | RES |
| Breeders, Plant (botanists) | 635 | IRS |
| Brewery Workers | 631 | REC |
| Brewmasters | 631 | ESA |
| Brickmasons (masons) | 10 | RSE |
| Bridge Operators (lock) | 447 | RSC |
| Brine Separator Operators (canning & preserving) | 389 | RCE |
| Broadcast Coordinators (advertising agency) | 113 | CSE |
| Broadcast Engineers (radio & television broadcasting) | 428 | RSE |
| Broadcast Operations Managers (radio & television program executives) | 239 | SEC |
| Broiler Growers (poultry industry) | 248 | RSE |
| Brokers | 433 | ESC |
| Buckers (logging industry) | 416 | REC |
| Builders, Custom | 183 | EIR |
| Builders, Home | 183 | EIR |
| Builders, Jig and Fixture (tool & die makers) | 60 | RIE |
| Builders, Machine (machinists) | 32 | RIE |
| Builders, Speculative | 183 | EIR |
| Builders, Tire (rubber goods production) | 328 | RIE |
| Building Managers | 459 | ERS |
| Bulldoggers | 677 | RES |
| Bulldozer Operators (construction equipment) | 171 | REC |
| Bulldozer Operators (mining industry) | 187 | REC |
| Bull Riders | 677 | RES |
| Bureau of Diplomatic Security Special Agents | 388 | ERI |
| Bus Drivers | 52 | RES |
| Business Agents, Labor Union | 476 | ESA |
| Business Education Teachers | 594 | ESR, REI |
| Business Operations Specialists (publishing) | 231 | ESA |
| Business Services Sales Agents | 228 | ESA |
| Butchers (canning & preserving) | 389 | REI |
| Butchers (slaughtering & meat-packing production) | 423 | RES |
| Butlers (household service) | 232 | ESC |
| Buttermakers (dairy products manufacturing) | 173 | REI |
| Buyers, Assistant Retail | 95 | ESR |
| Buyers, Associate Retail | 95 | ESC |
| Buyers, Central | 95 | ESC |
| Buyers, Grain | 140 | EIS |
| Buyers, Media (advertising agency) | 113 | ESC |
| Buyers, Retail | 95 | ESC |
| Cab Drivers | 242 | RIE |
| Cabinetmakers (carpenters) | 86 | RIS |
| Cabinetmakers (furniture manufacturing) | 373 | RIS |
| Cable Television Systems Technicians and Installers | 244 | RIE |
| CADD Technicians (dafters) | 22 | RCI |
| Cage Workers (gaming) | 577 | CSE |
| Calcine Furnace Tenders (paint & coatings industry) | 56 | REI |
| Calender Operators (industrial chemicals production) | 369 | RSE |
| Calender Operators (rubber goods production) | 328 | RIE |
| Camera Assistants, First (motion picture industry) | 2 | AES |
| Camera Operators (motion picture industry) | 2 | AES |
| Camera Operators (printing industry) | 426 | RIE |
| Camera Operators (radio & television broadcasting) | 428 | AES |
| Camera Operators, Second Assistant (motion picture industry) | 2 | RCS |
| Camera Technicians (motion picture industry) | 2 | AES |
| Camp Counselors (recreation workers) | 92 | SEC |
| Camp Directors (recreation workers) | 92 | ESA |
| Candy Makers (confectionery industry) | 357 | RSE |
| Candy Packers (confectionery industry) | 357 | RES |
| Canine Enforcement Officers | 412 | CEI |
| Canning and Preserving Industry Workers | 389 | no code |
| Capsule Filling Machine Operators (pharmaceutical industry) | 306 | RIE |
| Captains (airplane pilots) | 29 | RIE |
| Captains (commercial fishermen) | 404 | ERS |
| Captains (merchant mariners) | 379 | ERI |
| Carcass Splitters (slaughtering & meat-packing production) | 423 | REC |
| Cardiac Sonographers | 437 | ISR |
| Cardiology Technologists | 437 | ISR |
| Cardiovascular Technicians | 437 | RCI |
| Cardiovascular Technologists | 437 | ISR |
| Career Counselors | 598 | SAE |
| Caretakers (household service) | 232 | RES |
| Cargo and Freight Agents (indutrial traffic managers) | 115 | ERS, ESC, RES |
| Carpenters | 86 | RCE |
| Carpenters, Finish | 86 | RCE |
| Carpenters, Maintenance | 86 | REI |
| Carpenters, Rough | 86 | RIS |
| Car Rental Agents | 380 | ESC |
| Carriers (postal service) | 220 | CRS |
| Cartographers (surveyors) | 221 | RIE |
| Cartoonists | 124 | AES |
| Cartoonists, Editorial | 124 | AES |
| Cartoonists, Motion Picture | 124 | AES |
| Carwash Attendants | 589 | REC |
| Carwash Managers | 589 | RES |
| Case Assemblers (furniture manufacturing) | 373 | CRS |
| Casefitters (furniture manufacturing) | 373 | RCE |
| Case Managers | 278 | SEI |
| Caseworkers (congressional aides) | 525 | SEC |
| Cashiers | 290 | CES |
| Cashiers, Booth (gaming) | 577 | no code |
| Cashiers, Box Office (motion picture theater) | 70 | CES |
| Cash Managers (financial) | 134 | ESC |
| Casing Running Machine Tenders (slaughtering & meat-packing production | 423 | REC |
| Casting Directors (motion picture) | 262 | SEC |
| Casting Inspectors (foundry production) | 374 | CRE |
| Catalogers (health sciences librarians) | 9 | CSE |
| Catalogers (librarians) | 82 | CSE |
| Catalytic Converter Operators (industrial chemicals production) | 369 | RSE |
| Caterers | 473 | ESR |
| Caterers, Private | 473 | ESR |
| Catholic Clergy | 440 | SAE |
| CBP Officers | 412 | CEI |
| Cellular, Tissue, and Genetic Engineers | 519 | IRE |
| Cement Masons | 581 | RES |
| Central Buyers | 95 | ESC |
| Centrifuge Operators (paint & coatings industry) | 56 | RES |
| Ceramic Engineers | 161 | IRS |
| Ceramic Engineers (materials) | 256 | IRS |
| Ceramic Engineers (pottery & porcelain ware industry) | 137 | IRS |
| Certificated Flight Instructors | 554 | ERS |
| Certified Flight Instructors | 554 | ERS |
| Certified Pest Control Applicators | 372 | RES |
| Certified Public Accountants | 63 | CSI |
| Certified Respiratory Therapists | 450 | SIR |
| Chair Assemblers (furniture manufacturing) | 373 | CRS |
| Change Persons (gaming) | 577 | CRE |
| Charging Crane Operators (iron & steel industry) | 305 | RCE |
| Chartered Bus Drivers | 52 | RES |
| Chasers (logging industry) | 416 | RES |
| Chauffeurs (household service) | 232 | RES |
| Chauffeurs (taxi drivers) | 242 | REC |
| Cheesemakers (dairy products manufacturing) | 173 | RES |
| Chefs | 40 | ESR |
| Chefs, Executive | 40 | SER |
| Chefs, Executive (lodging) | 350 | SER |
| Chemical Engineers | 160 | IRE |
| Chemical Engineers (petroleum refining) | 188 | IRE |
| Chemical Laboratory Technicians | 66 | IRS |
| Chemical Oceanographers | 200 | IRE, IRS |
| Chemical Pathologists | 230 | IRE |
| Chemical Technicians (cosmetics industry) | 622 | IRS |
| Chemists | 153 | IRE |
| Chemists, Analytical | 153 | IRE |
| Chemists, Atmospheric | 143 | IRS |
| Chemists, Clinical | 153 | IRE |
| Chemists, Food | 153 | IRS |
| Chemists, Forensic | 153 | IRE |
| Chemists, Industrial Hygiene | 461 | IRE |
| Chemists, Inorganic | 153 | IRE |
| Chemists, Instrumentation | 153 | IRC |
| Chemists, Marine | 200 | IRE, IRS |
| Chemists, Organic | 153 | IRE |
| Chemists, Physical | 153 | IRE |
| Chemists, Polymer | 153 | IRE |
| Chemists, Wastewater Treatment Plant | 153 | IRC |
| Chief Administrative Officers | 445 | SEC |
| Chief Admitting Officers (hospital admitting) | 448 | ESA |
| Chief Compressor Station Engineers (gas & oil distribution) | 196 | RES |
| Chief Dispatchers (gas & oil distribution) | 196 | ESC |
| Chief Engineers (merchant mariners) | 379 | RES |
| Chief Engineers (radio & television broadcasting) | 428 | RIE |
| Chief Executive Officers (association) | 549 | ESR |
| Chief Executives (publishing) | 231 | ESR |
| Chief Librarians (health sciences) | 9 | SER |
| Chief Lighting Technicians (motion picture industry) | 2 | REI |
| Chief Mates (merchant mariners) | 379 | ERS |
| Chiefs of Staff (congressional aides) | 525 | ESC |
| Chief Station Engineers (gas & oil distribution) | 196 | RES |
| Chief Technicians (cable television) | 244 | ERC |
| Child Care Workers | 604 | SAE |
| Child Psychiatrists | 347 | ISA |
| Children's Librarians | 82 | SER |
| Child Social Workers | 84 | SEA |
| Child Welfare Social Workers | 84 | SEA |
| Chipper Operators (logging industry) | 416 | RCS |
| Chipper Operators (paper products manufacturing) | 378 | REC |
| Chiropractic Medical Assistants | 5 | SRE |
| Chiropractors | 146 | ISR |
| Choker Setters (logging industry) | 416 | RES |
| Chopping Machine Operators (slaughtering & meat-packing production) | 423 | RCE |
| Choreographers (dancers) | 394 | AES |
| Choreographers (professional cheerleaders) | 688 | AES |
| Cinematographers (motion picture) | 262 | AES |
| Circulating Technologists | 464 | ISR |
| Circulation Directors (publishing) | 231 | ESA, ESC |
| Circulation Librarians (health sciences) | 9 | SAI |
| Circulation Technologists | 558 | ISR |
| Circus Artists | 251 | no code |
| Circus Performers | 251 | no code |
| CIS Officers | 105 | no code |
| Citizenship and Immigration Service Officers | 105 | ERS |
| City and County Managers | 445 | SEC |
| City/County/Town Administrators | 445 | SEC |
| City Managers | 445 | SEC |
| City Planners | 152 | ESI |
| Civil Drafters | 22 | IRE |
| Civil Engineers | 156 | IRE |
| Claim Adjusters, Independent | 300 | ESR |
| Claim Adjusters, Insurance | 300 | ESR |
| Claim Adjusters, Public | 300 | ESR |
| Claim Representatives | 300 | ESR |
| Clandestine Officers | 626 | AES, ERS |
| Classical Archaeologists | 343 | IRE |
| Classified Advertising Clerks (publishing) | 231 | CES |
| Clay Makers (pottery & porcelain ware industry) | 137 | REI |
| Cleaners | 245 | RES |
| Cleaners (shoe industry) | 142 | RCS |
| Clergy, Catholic | 440 | SAE |
| Clergy, Protestant | 264 | SAE |
| Climatologists | 143 | IRS |
| Clinical Chemists | 153 | IRE |
| Clinical Dietitians | 76 | SIE |
| Clinical Engineers | 519 | IRE |
| Clinical Laboratory Technicians (medical technologists) | 16 | ISA |
| Clinical Laboratory Technologists | 16 | ISA |
| Clinical Pathologists | 230 | IRE |
| Clinical Psychologists | 144 | SIA |
| Clinical Sociologists | 316 | SEC |
| Closed-Caption Writers (court reporters) | 265 | IRC |
| Clowns (circus performers) | 251 | EAC |
| Clowns (variety performers) | 607 | EAC |
| CNC Machine Operators | 556 | REI |
| Coaches, Professional Athletes | 438 | SRE |
| Coal Petrologists | 560 | ISR |
| Coast Guard Personnel | 439 | no code |
| Coaters (pharmaceutical industry) | 306 | REI |
| Coating and Baking Operators (industrial chemicals production) | 369 | RCE |
| Code Enforcement Officers (fire fighters) | 69 | ESA |
| Coders (marketing researchers) | 254 | CES |
| Coding Specialists, Health Information | 681 | CIR |
| Collateral Loan Brokers | 619 | ECS |
| Collection Clerks (credit) | 362 | ESA |
| College and University Admissions Directors | 65 | ESA |
| College and University Faculty Members | 184 | no code |
| College and University Registrars | 371 | ESC |
| Collision Repair Technicians | 96 | RIE |
| Colorists (cartoonists) | 124 | AES |
| Color Printer Operators (photofinishing laboratory technicians) | 310 | RIE |
| Comedians (variety performers) | 607 | AES |
| Commercial Airplane Pilots | 29 | RIE |
| Commercial Arborists | 291 | REI |
| Commercial Designers | 126 | AES |
| Commercial Divers | 361 | RES |
| Commercial Fishermen | 404 | RES |
| Commercial Loan Officers | 443 | SEI |
| Commercial Models | 61 | EAS |
| Commercial Photographers | 12 | ARS |
| Commodity Graders, Agricultural (consumer safety officers) | 620 | REI |
| Community Dietitians | 76 | SRE |
| Community Health Consultants | 518 | SEA |
| Community Health Education Coordinators | 518 | SEA |
| Community Health Nurses (registered professional) | 75 | SIE |
| Community Managers | 122 | ESR |
| Community Organizers | 628 | ESA |
| Community Planners | 152 | ESI |
| Companion Animal Trainers | 508 | RES, SEC |
| Company Managers (theatrical production) | 612 | SEC |
| Comparative Psychologists (animal behaviorists) | 547 | IAE |
| Compensation Managers (human resources) | 258 | ESR |
| Compilers (marketing researchers) | 254 | CSE |
| Complete and Partial Dental Technicians | 31 | REI |
| Compliance Officers | 323 | ESR |
| Composers (video game developers) | 678 | ASE |
| Composites Engineers | 256 | REI |
| Compounders (cosmetics industry) | 622 | REI |
| Compounders (petroleum refining) | 188 | RES |
| Compressors (pharmaceutical industry) | 306 | RCS |
| Computer Applications Software Engineers | 672 | IRE |
| Computer Hardware Engineers (electronics) | 166 | RIE |
| Computer Numerical-Control Machine Operators | 556 | REI |
| Computer Operators (support specialists) | 482 | CSR |
| Computer Programmers | 177 | IRC |
| Computer Programmers (temporary workers) | 674 | IRC |
| Computer Security Specialists | 682 | CIS |
| Computer Service Technicians | 363 | RIE |
| Computer Software Engineers | 672 | IRE |
| Computer Specialists (publishing) | 231 | IRS |
| Computer Support Specialists | 482 | SER |
| Computer Support Specialists (temporary workers) | 674 | CIS, CSI, SER |
| Computer Systems Analysts | 337 | IER |
| Computer Systems Software Engineers | 672 | IRE |
| Concession Attendants (motion picture theater) | 70 | ERS |
| Concierges (resort industry) | 50 | ESC |
| Conductors, Freight (railroad) | 14 | ECS |
| Conductors, Passenger (railroad) | 14 | ESA |
| Confectionery Cookers | 357 | RIE |
| Confectionery Industry Workers | 357 | no code |
| Congressional Aides | 525 | CES |
| Conservationists, Soil | 201 | IRE |
| Conservation Officers | 213 | RES |
| Conservators (curators) | 393 | RIS |
| Construction Electricians | 395 | RIE |
| Construction Engineers (civil) | 156 | ERS, IRE |
| Construction Equipment Operators | 171 | RIS |
| Construction Ironworkers | 359 | REI |
| Construction Laborers | 392 | RIE |
| Construction Managers | 324 | ERS |
| Construction Plumbers | 43 | REI |
| Construction Superintendents | 324 | ERS |
| Constructors | 324 | ERS |
| Consular Officers | 189 | ESA |
| Consultants | 238 | IRS |
| Consultation-Liaison Psychiatrists | 347 | ISA |
| Consulting Dietitians | 76 | SEI |
| Consumer Electronics Technicians | 645 | REI |
| Consumer Loan Officers | 443 | SEI |
| Consumer Safety Inspectors | 620 | SAE |
| Consumer Safety Officers | 620 | SAE |
| Continuity Writers (radio & television broadcasting) | 428 | AES |
| Continuous Mining Machine Operators (industry workers) | 187 | RSE |
| Contract Managers | 215 | ESA |
| Contractors, Field (canning & preserving) | 389 | SEA |
| Contractors, Ground Water | 499 | RIE |
| Contractors, Landscape (architects) | 164 | RIS |
| Contractors, Landscape (horticulturists) | 203 | ESR |
| Contractors, Landscape (landscapers) | 451 | ESR |
| Controllers (lodging) | 350 | EIS |
| Control Shooters (firearms industry) | 399 | RCS |
| Convention Managers | 130 | ESA, ESI |
| Convention Services Managers (lodging) | 350 | ESA |
| Conveyor Operators (pasta products) | 555 | REC |
| Cookers, Confectionery | 357 | RIE |
| Cooks (chefs) | 40 | RSE |
| Cooks (household service) | 232 | RSE |
| Cooks, Short-order (chefs) | 40 | RSE |
| Cooling Tank Crew (canning & preserving) | 389 | RES |
| Coordinators (canning & preserving) | 389 | CRE |
| Copilots (airplane) | 29 | RIE |
| Co-producers (motion picture) | 262 | ESA |
| Copy Editors | 131 | AES |
| Copy Editors (publishing) | 231 | AES, CIA |
| Copywriters (advertising agency) | 113 | ASI |
| Coremakers (foundry production) | 374 | RCI |
| Coroners | 332 | ISE |
| Corporate Lawyers | 94 | ESA |
| Corporate Trainers | 572 | ESR, SEC |
| Correctional Officers | 467 | SER |
| Correctional Treatment Specialists (probation & parole officers) | 277 | SEI |
| Correction Officers | 467 | SER |
| Corrective Therapists | 36 | SIR |
| Correspondents, Legislative (congressional aides) | 525 | CSE |
| Corrugator Operators (paper products manufacturing) | 378 | RSE |
| Cosmetics Industry Workers | 622 | no code |
| Cosmetologists | 7 | SEA |
| Cosmologists | 210 | IRE |
| Costume Designers (motion picture) | 262 | ASR |
| Counseling Psychologists | 144 | SIA |
| Counselors, Addiction | 217 | SEA |
| Counselors, Animal Behavior | 508 | RES, SEC |
| Counselors, Behavioral Disorder | 217 | SEA |
| Counselors, Camp (recreation workers) | 92 | SEC |
| Counselors, Career | 598 | SAE |
| Counselors, Credit (loan officers) | 443 | ESI |
| Counselors, Employment | 598 | SAE |
| Counselors, Genetic | 492 | IRS |
| Counselors, Genetic | 533 | IRS |
| Counselors, HIV/AIDS | 503 | ESA |
| Counselors, Loan (officers) | 443 | ESI |
| Counselors, Mental Health | 655 | SEC |
| Counselors, Rehabilitation | 279 | SEC |
| Counselors, Residential | 649 | SAE |
| Counselors, School | 145 | SAE |
| Counselors, Substance Abuse | 217 | SEA |
| Counselors, Vocational | 598 | SAE |
| Counter Attendants (dry cleaning) | 34 | ECS |
| Counter Workers | 340 | SCR |
| Couples Therapists | 630 | SAE |
| Couriers | 647 | CES |
| Court Administrators | 329 | ESR |
| Court Assistants | 304 | CSE |
| Court Clerks | 304 | CSE |
| Court Clerks, Federal | 304 | CSE |
| Court Officers | 331 | ESR |
| Court Reporters | 265 | CSE |
| Court Reporters (secretaries) | 19 | CSE |
| Court Security Officers (deputy U.S. marshals) | 676 | ERS |
| Cowpunchers (livestock industry) | 479 | RES |
| Crab Fishermen (commercial) | 404 | REI |
| Crane Operators (construction equipment) | 171 | RES |
| Crane Operators (iron & steel industry) | 305 | RCS |
| Crane Operators (longshore) | 484 | RES |
| Crane Operators (shipbuilding) | 435 | RCS |
| Creative Arts Therapists | 386 | ASI |
| Creative Directors (advertising agency) | 113 | AES |
| Creative Writers | 606 | no code |
| Credit Analysts | 362 | ESR |
| Credit Analysts (loan officers) | 443 | CRS |
| Credit Authorizers | 362 | CES |
| Credit Clerks | 362 | CSE |
| Credit Clerks (office) | 3 | CSE |
| Credit Collection Officers (loan) | 443 | ESA |
| Credit Counselors (loan officers) | 443 | ESI |
| Credit Managers | 362 | ESC |
| Credit Managers (financial) | 134 | ESC |
| Credit Reporters | 362 | CSE |
| Credit Workers | 362 | no code |
| Cremators (funeral directors) | 38 | RES |
| Crime Lab Analysts (forensic scientists) | 275 | IRC |
| Crime Scene Investigators (forensic scientists) | 275 | IRC |
| Crime Scene Technicians (forensic scientists) | 275 | IRC |
| Criminal Investigators (immigration enforcement) | 139 | ERI, SRI |
| Criminalists (forensic scientists) | 275 | IRC |
| Criminal Lawyers | 94 | ESA |
| Criminologists | 316 | IES |
| Criminologists | 456 | IES |
| Critical Care Nurses | 75 | SIA |
| Critics (creative writers) | 606 | AES |
| Crop Farmers | 483 | REI |
| Crossing Guards | 587 | ESC |
| Crown and Bridge Technicians | 31 | REI |
| Cruise Directors | 302 | ESC |
| Cruisers (forest technicians) | 283 | RIE |
| Crushed Stone Workers (mining industry) | 187 | RIS |
| Cryobiologists | 573 | IAR |
| Cultural Anthropologists | 382 | IRE |
| Cultural Development Officers | 535 | ESC, ESR |
| Cultural Geographers | 155 | IRE |
| Cultural Resource Managers | 343 | IRE |
| Curators | 393 | IRS |
| Curers (industrial chemicals production) | 369 | REI |
| Cushion Makers (furniture manufacturing) | 373 | RCE |
| Cushion Padders (upholsterers) | 219 | CRE |
| Custodians | 245 | RES |
| Custom Builders | 183 | EIR |
| Customer Service Representatives | 421 | CES |
| Customer Service Representatives (dry cleaning) | 34 | ECS |
| Customer Service Representatives (laundry) | 79 | ECS |
| Customer Service Representatives (publishing) | 231 | ECR |
| Customs Agriculture Specialists | 412 | ISE |
| Customs and Border Protection Officers | 412 | CEI |
| Customs Brokers (export-import) | 403 | ESR |
| Custom Sewers | 6 | RES |
| Customs Import Specialists | 412 | ISE |
| Customs Inspectors | 412 | CEI |
| Cutoff Sawyers (sawmill) | 441 | RSC |
| Cutter Operators (mining industry) | 187 | RCS |
| Cutters (apparel industry) | 35 | RES |
| Cutters (furniture manufacturing) | 373 | RES |
| Cutters (knit goods industry) | 413 | RCE |
| Cutters (shoe industry) | 142 | RES |
| Cytogeneticists | 533 | IRS |
| Cytogenetic Technologists | 533 | IRS |
| Cytologists (botanists) | 635 | IRE |
| Cytopathologists | 230 | IRE |
| Cytotechnologists | 314 | ICR |
| Dairy Farmers | 223 | RSI |
| Dairy Farm Managers | 223 | ESR |
| Dairy Field Supervisors (products manufacturing) | 173 | ESR |
| Dairy Helpers (products manufacturing) | 173 | REC |
| Dairy Herd Improvement Supervisors | 47 | REC |
| Dairy Processing Equipment Operators (products manufacturing) | 173 | REI |
| Dairy Products Manufacturing Workers | 173 | no code |
| Dairy Scientists | 238 | IRS |
| Dance Instructors (dancers) | 394 | ASE |
| Dance/Movement Therapists | 386 | ASI |
| Dancers | 394 | AER |
| Dancers, Ballet | 394 | AER |
| Dancers, Ethnic | 394 | AER |
| Dancers, Jazz | 394 | AER |
| Dancers, Modern | 394 | AER |
| Dancers, Team | 688 | AER |
| Dance Therapists | 386 | ASI |
| Database Administrators (information systems managers) | 77 | IRE |
| Database Managers (information systems) | 77 | IRE |
| Data Clerks | 308 | CSE |
| Data Communications Analysts (telecommunications workers) | 690 | RSI |
| Data Entry Clerks | 308 | CSE |
| Data Entry Clerks (office) | 3 | CSE |
| Data Entry Keyers | 308 | CSE |
| Data Entry Keyers (temporary workers) | 674 | CSE |
| Data Entry Operators | 308 | CSE |
| Data Typists | 308 | CSE |
| Dealers (gaming) | 577 | CSE |
| Deans, Academic | 93 | SEA |
| Deans of Admissions and Records | 371 | ESC |
| Deans of Admissions and Registrar | 371 | ESC |
| Deans of Enrollment Management | 371 | ESC |
| Deans of Students Registrar | 371 | ESC |
| DEA Special Agents | 638 | ERI |
| Deckhands (commercial fishermen) | 404 | REI |
| Deck Officers (merchant mariners) | 379 | ERS |
| Decommissioning and Decontamination Workers (hazardous materials remov | 566 | REI |
| Decontamination Technicians (hazardous materials removal) | 566 | REI |
| Decorators (pottery & porcelain ware industry) | 137 | CSE |
| Decorators, Set (motion picture) | 262 | AES |
| Definers | 658 | IAS |
| Dehairing Machine Tenders (slaughtering & meat-packing production) | 423 | REC |
| Deliverypersons (truck drivers) | 42 | RCS |
| Demographers | 316 | IES |
| Demographers | 165 | IRE |
| Demographic Economists | 233 | IAS |
| Demonstrators, Product | 299 | ESC |
| Dental Assistants | 260 | SAI |
| Dental Ceramists | 31 | REC |
| Dental Hygienists | 18 | SAI |
| Dental Technicians | 31 | REI |
| Dentists | 59 | ISR |
| Dentists, Pediatric | 59 | IRE |
| Dentists, Public Health | 59 | IRE |
| Department Heads (association executives) | 549 | ESR |
| Department Managers | 673 | ESC |
| Departure Controllers (air traffic) | 322 | SER |
| Depilatory Painters (slaughtering & meatpacking production) | 423 | RCE |
| Deportation Officers (immigration enforcement) | 139 | ESR |
| Deputy Clerks | 304 | CSE |
| Deputy Fire Chiefs (fire fighters) | 69 | SEA |
| Deputy Sheriffs | 48 | SER |
| Deputy U.S. Marshals | 676 | SEC |
| Dermatologists | 527 | ISR |
| Dermatologists, Pediatric | 527 | ISR |
| Dermatopathologists | 527 | ISR |
| Dermatopathologists | 230 | IRE |
| Derrick Operators (petroleum drilling) | 263 | RES |
| Design Engineers (aerospace) | 159 | IRE |
| Designers, Bank-Note (engravers) | 240 | AER |
| Designers, Commercial | 126 | AES |
| Designers, Costume (motion picture) | 262 | ASR |
| Designers, Display (merchandise) | 127 | AES |
| Designers, Fashion | 23 | ASR |
| Designers, Fashion (apparel industry) | 35 | ASR |
| Designers, Floral | 269 | ARE |
| Designers, Game | 678 | IRC |
| Designers, Graphic | 387 | AER |
| Designers, Industrial | 126 | AES |
| Designers, Interior | 30 | AES |
| Designers, Jewelry | 640 | REC |
| Designers, Level | 678 | IRC |
| Designers, Memorial | 489 | AER |
| Designers, Production (motion picture) | 262 | AES |
| Designers, Set (motion picture) | 262 | AES |
| Designers, Web Technical | 330 | AER |
| Desk Clerks (resort industry) | 50 | ECS |
| Desktop Publications Specialists | 195 | CRA |
| Desktop Publishers | 195 | CRA |
| Desktop Publishing Specialists (printing industry) | 426 | CRA |
| Detailers, Automobile (carwash attendants) | 589 | RCE |
| Detectives, Police | 44 | SER |
| Detention Officers (correctional officers) | 467 | SER |
| Developers, Video Game | 678 | IRC |
| Developmental Psychologists | 144 | IRS |
| Diagnostic Medical Sonographers | 513 | RSI |
| Diagnostic Radiologists | 462 | IRS |
| Dialysis Technicians | 528 | ISC |
| Dictionary Editors | 658 | IAS |
| Die Finishers (tool makers) | 60 | RIS |
| Die Makers, Trim (tool) | 60 | RIE |
| Die Repairers (tool makers) | 60 | RIE |
| Diesel Engine Specialists (mechanics) | 125 | REI |
| Diesel Mechanics | 125 | REI |
| Diesel Service Technician (mechanics) | 125 | REI |
| Die Setters (forge shop) | 352 | RIE |
| Die Sinkers (forge shop) | 352 | RIE |
| Die Sinkers (tool makers) | 60 | RIE |
| Dietetic Technicians (dietitians) | 76 | SEI |
| Dietitians | 76 | SIE |
| Dietitians, Clinical | 76 | SIE |
| Dietitians, Community | 76 | SRE |
| Dietitians, Consulting | 76 | SEI |
| Dietitians, Management | 76 | ESI |
| Dietitians, Research | 76 | ISR |
| Dietitians, Teaching | 76 | SIE |
| Diet Specialists | 571 | SEC |
| Digester Operators (paper products manufacturing) | 378 | RES |
| Digital Electronic Prepress Technicians | 195 | CRA |
| Digital Imaging Technicians (photofinishing laboratory) | 310 | RCI |
| Diocesan Priests | 440 | SAE |
| Direct Entry Midwives | 475 | SIR |
| Directors, Alumni | 669 | ESA |
| Directors, Art (advertising agency) | 113 | AES |
| Directors, Art (motion picture) | 262 | AES |
| Directors, Associate (association executives) | 549 | ESR |
| Directors, Athletics | 627 | SER |
| Directors, Camp (recreation workers) | 92 | ESA |
| Directors, Casting (motion picture) | 262 | SEC |
| Directors, Creative (advertising agency) | 113 | AES |
| Directors, Cruise | 302 | ESC |
| Directors, Display | 127 | AES |
| Directors, Fund-Raising | 209 | ESA |
| Directors, Funeral | 38 | ESR |
| Directors, Industrial Relations (human resources) | 258 | ESI |
| Directors, Legislative (congressional aides) | 525 | ESR |
| Directors, Library (librarians) | 82 | SEC |
| Directors, Marketing (lodging) | 350 | SER |
| Directors, Media (advertising agency) | 113 | ESC |
| Directors (motion picture) | 262 | ASE |
| Directors of Aviation | 457 | ESR |
| Directors of Housekeeping | 358 | ECR |
| Directors of Institutional Research and Records | 371 | ESC |
| Directors of Photography (motion picture) | 262 | AES |
| Directors of Records and Registration | 371 | ESC |
| Directors, Park | 470 | ERA |
| Directors, Product Development (video game developers) | 678 | ESI |
| Directors, Program (radio & television broadcasting) | 428 | SEA |
| Directors, Project (association executives) | 549 | ESI |
| Directors (radio & television broadcasting) | 428 | ESC |
| Directors, Recreation Center | 92 | ESA |
| Directors, Religious Education | 255 | SEA |
| Directors, Residence Hall | 311 | SEC |
| Directors, Stage (theatrical production) | 612 | AES |
| Directors, Technical (stage production technical staff) | 675 | ARS |
| Directors, Tour | 591 | ESC |
| Directors, Web Marketing | 633 | AES |
| Directory Assistance Operators (receptionists) | 107 | CSE |
| Disc Jockeys (announcers) | 54 | SEC |
| Dispatchers, Airline | 267 | ESI |
| Dispatchers, Assistant (airline) | 267 | ESI |
| Dispatchers (canning & preserving) | 389 | CRE |
| Dispatchers, Chief (gas & oil distribution) | 196 | ESC |
| Dispatchers, Emergency Medical Services | 180 | CSE |
| Dispatchers, Fire | 180 | ESC |
| Dispatchers, Flight | 267 | ESI |
| Dispatchers, Gas (gas & oil distribution) | 196 | ERS |
| Dispatchers, Medical Helicopter | 180 | CSE |
| Dispatchers, Oil (gas & oil distribution) | 196 | ESR |
| Dispatchers, Police | 180 | CSE |
| Dispatchers, Public Safety | 180 | CSE |
| Dispatchers, Radio | 180 | CSE |
| Dispatchers, Taxicab | 180 | CES |
| Dispatchers, Tow Truck | 180 | ESC |
| Dispatchers, Train (railroad) | 14 | ECS |
| Dispatchers, Utility Company | 180 | ECS |
| Dispensing Opticians | 123 | RIS |
| Display Designers (merchandise) | 127 | AES |
| Display Directors | 127 | AES |
| Displayers, Freelance Merchandise | 127 | ARE |
| Displayers, Merchandise | 127 | ARE |
| Distance Learning Educators | 632 | SER |
| Distillation Operators (industrial chemicals production) | 369 | RIE |
| Distribution Supervisors (gas & oil distribution) | 196 | ECS |
| Distribution Supervisors (petroleum refining) | 188 | ECS |
| Distributors (publishing) | 231 | RES |
| District Attorneys (lawyers) | 94 | EIA |
| District Office Representatives | 525 | CES |
| Divers, Commercial | 361 | RES |
| Divers, High (circus performers) | 251 | no code |
| Divers, Salvage | 361 | RES |
| Dive Tenders | 361 | RES |
| Dividing Machine Operators (bakery products) | 410 | RES |
| Dock Supervisors (gas & oil distribution) | 196 | RES |
| Dock Workers (longshore) | 484 | RES |
| Doctors of Chiropractic | 146 | ISR |
| Doctors of Internal Medicine | 686 | IRS |
| Doctors of Optometry | 85 | ISE |
| Doctors of Osteopathy | 667 | ISR |
| Doctors of Podiatric Medicine (DPMs) | 111 | SIR |
| Doctors of Veterinary Medicine (DVMs) | 83 | IRS |
| Dog Daycare Workers | 319 | RCS |
| Dog Groomers | 321 | RSE |
| Dog Trainers | 508 | RES, SEC |
| Dolly Grips (motion picture industry) | 2 | RES |
| Domestic Animal Trainers | 508 | RES, SEC |
| Dough Mixer Operators (bakery products) | 410 | REI |
| Dough Mixers (bakery products) | 410 | RCS |
| Doulas | 475 | SIR |
| Drafters | 22 | no code |
| Drafters, Aeronautical | 22 | IRC |
| Drafters, Architectural | 22 | RCI |
| Drafters, Civil | 22 | IRE |
| Drafters, Electrical | 22 | IRC |
| Drafters, Electronic | 22 | IRE |
| Drafters, Marine | 22 | IRE |
| Drafters, Mechanical | 22 | IRE |
| Drafters, Pipeline | 22 | IRC, RIE |
| Drafters (pottery & porcelain ware industry) | 137 | RIE |
| Drafters, Process Piping | 22 | IRC, RIE |
| Dragline Operators (mining industry) | 187 | RSE |
| Drawer Makers (furniture manufacturing) | 373 | CRS |
| Dressing Room Attendants (resort industry) | 50 | RES |
| Dressmakers (tailors) | 6 | RSE |
| Drier Operators (pasta products) | 555 | REC |
| Drillers, Rotary (petroleum) | 263 | REI |
| Drillers, Water Well | 499 | RIE |
| Drilling Engineers (petroleum) | 263 | RIE |
| Drilling Machine Operators (mining industry) | 187 | RIE |
| Drip Pumpers (gas & oil distribution) | 196 | REC |
| Driver-Sales Workers (truck) | 42 | ESR |
| Drivers, Bus | 52 | RES |
| Drivers, Cab | 242 | RIE |
| Drivers, Chartered Bus | 52 | RES |
| Drivers, Forklift (longshore) | 484 | RCE |
| Drivers, Heavy-Duty Truck | 42 | RCS |
| Drivers (household service) | 232 | no code |
| Drivers, Intercity Bus | 52 | RES |
| Drivers, Intercity (truck) | 42 | RIE |
| Drivers, Interstate (truck) | 42 | RIE |
| Drivers, Light Truck | 42 | RCS |
| Drivers, Local Transit Bus | 52 | RES |
| Drivers, Local (truck) | 42 | RCS |
| Drivers, Long-Distance (truck) | 42 | RIE |
| Drivers, Paratransit | 242 | SRC |
| Drivers, Race Car | 656 | RES |
| Drivers, Route (truck) | 42 | RCS |
| Drivers/Sales Workers (publishing) | 231 | RES |
| Drivers, School Bus | 52 | RES |
| Drivers. Shuttle-Bus | 52 | RES |
| Drivers, Skidder (logging industry) | 416 | RES |
| Drivers, Sulky (racetrack workers) | 629 | SRE |
| Drivers, Taxi | 242 | RIE |
| Drivers, Tractor-Trailer Truck | 42 | RIE |
| Drivers, Truck | 42 | no code |
| Driving Instructors | 506 | SER |
| Drug Enforcement Administration Special Agents | 638 | ERI |
| Dry Cleaners | 34 | RES |
| Dry Cleaning Workers | 34 | no code |
| Dry Curers (slaughtering & meat-packing production) | 423 | RES |
| Dryer Operators (industrial chemicals production) | 369 | REI |
| Drying Machine Operators (pottery & porcelain ware industry) | 137 | REC |
| Dry Milk Operators (dairy products manfacturing) | 173 | REI |
| Drywall Finishers | 273 | RCS |
| Drywall Installers | 273 | RCS |
| DS Special Agents | 388 | ERI |
| DTP Operators | 195 | CRA |
| Dyers (knit goods industry) | 413 | RCE |
| Dye-Tub Workers (knit goods industry) | 413 | RCE |
| Dynamic Meteorologists | 143 | IRS |
| Early Childhood Education Teachers | 241 | SAE |
| Earth Scientists | 129 | IRE |
| Ecologists, Animal | 237 | IRE |
| Ecologists, Aquatic (zoologists) | 237 | IRE |
| Ecologists, Behavioral | 547 | IRE |
| Econometricians | 233 | IAS |
| Economic Geographers | 155 | IRE |
| Economic Officers | 189 | ESA |
| Economists | 233 | IAS |
| Economists, Demographic | 233 | IAS |
| Economists, Financial | 233 | IAS |
| Economists, Industrial | 233 | IAS |
| Economists, International Trade | 233 | IAS |
| Economists, Labor | 233 | IAS |
| Economists, Monetary | 233 | IAS |
| Economists, Organizational | 233 | IAS |
| Economists, Public Finance | 233 | IAS |
| Economists, Regional | 233 | IAS |
| Economists, Urban | 233 | IAS |
| Editorial Assistants | 481 | CIA |
| Editorial Cartoonists | 124 | AES |
| Editorial Illustrators (cartoonists) | 124 | AER |
| Editors, Copy | 131 | AES |
| Editors, Film (motion picture) | 262 | AES |
| Editors (publishing) | 231 | AES, CIA |
| Editors, Sound (motion picture industry) | 2 | RAE |
| Editors, Weekly Newspaper | 128 | AES, ESA |
| Educational Psychologists | 144 | IES |
| Educational Services Directors (training & development specialists) | 572 | EIS, SRE |
| Educational Sociologists | 316 | IES |
| Education and Training Managers (human resources) | 258 | EIS |
| Education and Training Managers (training & development specialists) | 572 | EIS, SRE |
| Educators, Distance Learning | 632 | SER |
| Egg Farmers (poultry industry) | 248 | RSE |
| Egg Farm Owners (poultry industry) | 248 | ESR |
| Egg Farm Supervisors (poultry industry) | 248 | no code |
| EKG Technicians (cardiovascular technologists) | 437 | RCI |
| Electrical Drafters | 22 | IRC |
| Electrical and Electronics Industry Workers | 318 | no code |
| Electrical and Electronics Repairers (instrumentation technicians) | 194 | RIS |
| Electrical Engineering Technicians | 158 | RIE |
| Electrical Engineers | 356 | IRE |
| Electrical Engineers | 158 | IRE |
| Electricians | 395 | RCI |
| Electricians, Maintenance | 395 | RCI |
| Electricians, Master (stage production technical staff) | 675 | AES |
| Electric Power Line Workers | 109 | RES |
| Electrocardiograph Technicians (cardiovascular technologists) | 437 | RCI |
| Electroencephalographic Technologists | 474 | RCS |
| Electrologists | 168 | CRE |
| Electroneurodiagnostic Technologists | 474 | RCS |
| Electronic Drafters | 22 | IRE |
| Electronic Pagination System Workers | 195 | CRA |
| Electronic Publishing Specialists | 195 | CRA |
| Electronics Engineering Technicians | 166 | IRE |
| Electronics Engineers | 166 | RIE |
| Electro-optics Engineers | 540 | IRE |
| Electroplaters | 398 | RIE |
| Electroplaters (bench jewelers) | 640 | RIE |
| Elementary School Counselors | 145 | SAE |
| Elementary School Teachers | 216 | SAE |
| Elevator Installers | 286 | RIE |
| Elevator Repairers (installers) | 286 | RIS |
| Embalmers (funeral directors) | 38 | RIS |
| Embryologists (zoologists) | 237 | IRE |
| Emergency Management Specialists | 684 | ESA |
| Emergency Medical Services Dispatchers | 180 | CSE |
| Emergency Medical Technicians | 501 | RSI |
| Emergency Response Specialists (hazardous waste management) | 537 | ESI |
| Emergency Services Operators (receptionists) | 107 | CSE |
| Employee Development Specialists/Managers (training & development) | 572 | EIS, SRE |
| Employee Welfare Managers (human resources) | 258 | SEA |
| Employment Clerks | 402 | CES |
| Employment Counselors | 598 | SAE |
| Employment Firm Managers | 402 | ESC |
| Employment Firm Workers | 402 | no code |
| Employment Interviewers | 402 | SCE |
| Employment Interviewers | 214 | SCE |
| Employment Managers (human resources) | 258 | ESC |
| EMTs | 501 | RSI |
| EMTs - Basic | 501 | RSI |
| EMTs - Intermediate | 501 | RSI |
| EMTs - Paramedic | 501 | RSI |
| Endocrinologists, Reproductive (obstetrician-gynecologists) | 578 | IRS |
| Endodontists (dentists) | 59 | ISE |
| Energy Auditors | 575 | RES |
| Energy Conservation Specialists | 575 | RES |
| Energy Management Technicians | 575 | RES |
| Engineering Geologists | 129 | IRE |
| Engineering Psychologists | 144 | IRS |
| Engineers, Aerodynamics (aerospace) | 159 | IRE |
| Engineers, Aeronautical | 159 | IRS |
| Engineers, Aerospace | 159 | IRS |
| Engineers, Agricultural and Biological | 176 | IRE |
| Engineers, Applications | 614 | IES |
| Engineers, Astronautical | 159 | IRS |
| Engineers, Audio Maintenance (recording industry) | 317 | RES |
| Engineers, Audio (recording industry) | 317 | RES |
| Engineers, Bioinstrumentation | 519 | IRE |
| Engineers, Biomaterials | 519 | IRE |
| Engineers, Biomechanical | 519 | IRE |
| Engineers, Biomedical | 519 | IRE |
| Engineers, Bioprocess (biotechnologists) | 634 | IAR |
| Engineers, Broadcast (radio & television broadcasting) | 428 | RSE |
| Engineers, Cellular, Tissue and Genetic | 519 | IRE |
| Engineers, Ceramic | 161 | IRS |
| Engineers, Ceramic (materials) | 256 | IRS |
| Engineers, Chemical | 160 | IRE |
| Engineers, Chemical (petroleum refining) | 188 | IRE |
| Engineers, Chief Compressor Station (gas & oil distribution) | 196 | RES |
| Engineers, Chief (merchant mariners) | 379 | RES |
| Engineers, Chief (radio & television broadcasting) | 428 | RIE |
| Engineers, Chief Station (gas & oil distribution) | 196 | RES |
| Engineers, Civil | 156 | IRE |
| Engineers, Clinical | 519 | IRE |
| Engineers, Composites | 256 | REI |
| Engineers, Computer Applications Software | 672 | IRE |
| Engineers, Computer Hardware (electronics) | 166 | RIE |
| Engineers, Computer Software | 672 | IRE |
| Engineers, Computer Systems Software | 672 | IRE |
| Engineers, Construction (civil) | 156 | ERS, IRE |
| Engineers, Design | 159 | IRE |
| Engineers, Drilling (petroleum) | 263 | RIE |
| Engineers, Electrical | 158 | IRE |
| Engineers, Electrical | 356 | IRE |
| Engineers, Electronics | 166 | RIE |
| Engineers, Electro-optics | 540 | IRE |
| Engineers, Environmental | 116 | IRE |
| Engineers, Environmental (civil) | 156 | IRE |
| Engineers, Fiber Optics | 659 | IRE, RIC |
| Engineers, Fire Protection | 576 | IEC |
| Engineers, Fire Protection (safety professionals) | 420 | IEC |
| Engineers, Flight (airplane pilots) | 29 | RIE |
| Engineers, Flight Test (aerospace) | 159 | RIE |
| Engineers, Genetic | 533 | IRS |
| Engineers, Geotechnical (civil) | 156 | IER |
| Engineers, Hydraulics (civil) | 156 | IRE, IRS |
| Engineers, Illuminating | 356 | IRE |
| Engineers, Industrial | 284 | EIR |
| Engineers, Industrial Health (safety professionals) | 420 | EIC |
| Engineers, Industrial Hygiene | 461 | EIC |
| Engineers, Laser | 540 | IRE |
| Engineers, Locomotive (railroad) | 14 | RES |
| Engineers, Manufacturing | 542 | IRE |
| Engineers, Manufacturing (aerospace) | 159 | REI |
| Engineers, Marine | 200 | IRE, IRS |
| Engineers, Marine | 163 | IRE |
| Engineers, Materials | 256 | REI |
| Engineers, Materials (aerospace) | 159 | REI |
| Engineers, Mechanical | 326 | RIS |
| Engineers, Medical Imaging | 519 | IRE |
| Engineers, Metallurgical (materials) | 256 | IRE |
| Engineers, Metallurgical (mining) | 312 | IRE |
| Engineers, Mining | 312 | RIE |
| Engineers, Nuclear (power plant) | 320 | IRE |
| Engineers, Ocean | 200 | IRE, IRS |
| Engineers, Ocean | 163 | IRE |
| Engineers, Oceanographic | 163 | IRE |
| Engineers, Oceanographic | 200 | IRE, IRS |
| Engineers, Packaging | 274 | ICS |
| Engineers, Petroleum | 197 | RIE |
| Engineers, Pipeline (gas & oil distribution) | 196 | ISR |
| Engineers, Plastics | 256 | REI |
| Engineers, Port | 163 | IRE |
| Engineers, Production (petroleum drilling) | 263 | EIC |
| Engineers, Project | 324 | ERS |
| Engineers, Propulsion | 159 | IRS |
| Engineers, Quality | 458 | IRE |
| Engineers, Radiological (nuclear power plant) | 320 | RCS |
| Engineers, Recording | 317 | RES |
| Engineers, Rehabilitation | 519 | IRE |
| Engineers, Safety (professionals) | 420 | ISR |
| Engineers, Simulation | 159 | IRS |
| Engineers, Stability and Control | 159 | IRS |
| Engineers, Stationary | 252 | REI |
| Engineers, Station (gas & oil distribution) | 196 | RCE |
| Engineers, Structural (aerospace) | 159 | RIE |
| Engineers, Structural (civil) | 156 | IRE, IRS |
| Engineers, Technical Publications | 195 | CRA |
| Engineers, Transportation | 488 | ISR |
| Engineers, Transportation (civil) | 156 | IRE, ISR |
| Engineers, Water Resources (civil) | 156 | IRE, IRS |
| Engineers, Welding | 565 | IRE |
| Engineers, Yarder (logging industry) | 416 | RES |
| Engineers, Yard (railroad) | 14 | RIE |
| Engine Outfitters (shipbuilding) | 435 | RIE |
| Engine Programmers | 678 | IRC |
| English as a Second Language Teachers | 58 | SER |
| Engravers | 240 | RCE, RIE |
| Engravers (bench jewelers) | 640 | RCE |
| Engravers, Bowling Ball (sporting goods production) | 567 | RCE |
| Enlisted Personnel (armed forces) | 439 | no code |
| Enologists | 334 | EIR |
| Enologists (winery workers) | 613 | EIR |
| Enrobing Machine Operators (confectionery industry) | 357 | RES |
| Enrolled Agents | 568 | CES |
| Enroute Air Traffic Controllers | 322 | SER |
| Entomologists | 243 | IRS |
| Entomologists (zoologists) | 237 | IRS |
| Entrepreneurs | 550 | ESA, ESR, RES |
| Environmental Engineers | 116 | IRE |
| Environmental Engineers (civil) | 156 | IRE |
| Environmental Geographers | 155 | IRE |
| Environmental Geologists | 129 | IRE |
| Environmental Health Specialists | 431 | ESR, IRE, ISR |
| Epidemiologists | 49 | IRE, IRS |
| Equal Employment Opportunity Officers (human resources) | 258 | SRI |
| Equestrians (circus performers) | 251 | AER |
| Ergonomists | 551 | IRS |
| Ergonomists (industrial hygienists) | 461 | IRS |
| ESL Teachers | 58 | SER |
| Estate Managers (household service) | 232 | ECR |
| Estheticians | 7 | SEA |
| Estheticians | 7 | SEA |
| Ethics Officers | 323 | ESR |
| Ethnic Dancers | 394 | AER |
| Ethnologists | 382 | IRE |
| Ethologists | 237 | IRE |
| Ethologists (animal behaviorists) | 547 | IAR |
| Etymologists | 658 | IAS |
| Eviscerators, Animal (slaughtering & meat-packing production) | 423 | RES |
| Evoked Potential Technologists | 474 | RCS |
| Executive Assistants (congressional aides) | 525 | ESR |
| Executive Assistants (secretaries) | 19 | ESC |
| Executive Chefs | 40 | SER |
| Executive Chefs (lodging) | 350 | SER |
| Executive Directors of Aviation | 457 | ESR |
| Executive Editors (publishing) | 231 | AES, CIA |
| Executive Housekeepers | 358 | ECR |
| Executive Housekeepers (lodging) | 350 | ECR |
| Executive Officers, Chief (association) | 549 | ESR |
| Executives, Assistant Account (advertising agency) | 113 | AES |
| Executives, Association | 549 | ESA |
| Executive Secretaries | 19 | ESC |
| Executives, Publications (association) | 549 | AES |
| Exercise Riders (racetrack workers) | 629 | REA |
| Expediters | 246 | CSE |
| Experimental Machinists | 32 | RIS |
| Experimental Psychologists | 144 | IRS |
| Exploration Geophysicists | 148 | IER |
| Export-Import Managers | 403 | ESA |
| Export-Import Specialists | 403 | no code |
| Extension Agents | 238 | IRS |
| Exterminators (pest control workers) | 372 | RES |
| External Auditors | 101 | EIS |
| Extractive Metallurgists | 62 | IRE |
| Extruder Operators (industrial chemicals production) | 369 | CRE |
| Eye Doctors | 85 | ISE |
| Facility Managers | 685 | ESR, RIE |
| Facility Managers | 605 | ESR |
| Faculty Members, College and University | 184 | no code |
| Fallers (logging industry) | 416 | RES |
| Family Child Care Providers | 604 | AES |
| Family Physicians | 668 | IRE |
| Family Services Social Workers | 84 | SEA |
| Family Social Workers | 84 | SEA |
| Family Therapists | 630 | SAE |
| Farm Equipment Mechanics | 202 | RES |
| Farm Equipment Salespersons | 510 | ESR |
| Farmers, Crop | 483 | REI |
| Farmers, Dairy | 223 | RSI |
| Farmers, Egg (poultry industry) | 248 | RSE |
| Farmers, Fish | 190 | REI |
| Farmhands (crop) | 483 | REC |
| Farm and Home Management Advisors | 204 | SEC |
| Farm Managers (crop) | 483 | ESR |
| Farmworkers (crop) | 483 | REC |
| Farriers | 151 | RSE |
| Fashion Consultants | 496 | EAS |
| Fashion Coordinators | 496 | EAS |
| Fashion Coordinators (merchandise displayers) | 127 | EAS |
| Fashion Designers | 23 | ASR |
| Fashion Designers (apparel industry) | 35 | ASR |
| Fashion Directors | 496 | EAS |
| Fashion Merchandisers | 496 | EAS |
| Fashion Models | 61 | EAS |
| Fashion Stylists | 496 | EAS |
| Fast-Food Workers | 340 | SCR |
| FBI Special Agents | 207 | ERI |
| Federal Court Clerks | 304 | CSE |
| Feeders (laundry) | 79 | REI |
| Feller Buncher Operators (logging industry) | 416 | RIE |
| Female Pelvic Medicine Specialists (obstetrician-gynecologists) | 578 | IRS |
| Female Pelvic Reconstructive Surgery Specialists (obstetrician-gynecologists) | 578 | IRS |
| Fence Assemblers | 552 | RSE |
| Fence Erectors | 552 | RSE |
| Fence-Erector Supervisors | 552 | ERS |
| Fence Specialists (erectors) | 552 | ERS |
| Fermenter Operators (pharmaceutical industry) | 306 | REC |
| Fiberglass Laminators (pleasure craft boatbuilders) | 661 | RES |
| Fiber Optics Engineers | 659 | IRE, RIC |
| Fiber Optics Engineers | 540 | RIC |
| Fiction Writers | 606 | AIE |
| Field Contractors (canning & preserving) | 389 | SEA |
| Field Mechanical Meter Testers (gas & oil distribution) | 196 | RSE |
| Field Representatives (horticulturists) | 203 | ESR |
| Field Service Representatives | 90 | RES |
| Field Technicians | 90 | RES |
| File Clerks (office) | 3 | CSR |
| Filler Wipers (furniture manufacturing) | 373 | RCE |
| Filling Machine Operators (canning & preserving) | 389 | RCI |
| Fill Inspectors (canning & preserving) | 389 | REI |
| Film Editors (motion picture) | 262 | AES |
| Filter Operators (industrial chemicals production) | 369 | REC |
| Finance Officers (financial managers) | 134 | ESR |
| Financial Aid Administrators | 486 | SEC |
| Financial Aid Counselors | 486 | SEC |
| Financial Aid Officers | 486 | SEC |
| Financial Analysts | 268 | CIE |
| Financial Consultants | 433 | ESC |
| Financial Economists | 233 | IAS |
| Financial Institution Branch Managers (financial managers) | 134 | ESR |
| Financial Institution Managers (financial managers) | 134 | ESR |
| Financial Managers | 134 | EIS |
| Financial Planners | 597 | ESC |
| Fine Artists | 653 | no code |
| Fingerprint Specialists | 298 | RCI |
| Finish Carpenters | 86 | RCE |
| Finishers (dry cleaning) | 34 | REI |
| Finishers (laundry) | 79 | REI |
| Finishing Timmers (shoe industry) | 142 | RCE |
| Firearms Experts (forensic scientists) | 275 | IRE |
| Firearms Industry Workers | 399 | no code |
| Fire Captains (fire fighters) | 69 | RES |
| Fire Chiefs (fire fighters) | 69 | SEA |
| Fire Dispatchers | 180 | ESC |
| Fire Extinguisher Servicers | 455 | RSE |
| Fire Fighters | 69 | RES |
| Fire Inspectors (fire fighters) | 69 | CES, REI |
| Fire Investigators (fire fighters) | 69 | IER |
| Fire Lieutenants (fire fighters) | 69 | RES |
| Fire Marshals (fire fighters) | 69 | ERS, ESR |
| Fire Marshals (petroleum refining) | 188 | ERS |
| Fire Prevention Officers (fire fighters) | 69 | ESA |
| Fire Protection Engineers | 576 | IEC |
| Fire Protection Engineers (safety professionals) | 420 | IEC |
| Fire Rangers (forest technicians) | 283 | ESR |
| Firers (pottery & porcelain ware industry) | 137 | RIS |
| Fireworks Assemblers | 553 | REC |
| Fireworks Display Specialists | 553 | REI |
| Fireworks Industry Workers | 553 | no code |
| First Assistant Engineers (merchant mariners) | 379 | RES |
| First Camera Assistants (motion picture industry) | 2 | AES |
| First Mates (commercial fishermen) | 404 | REI |
| First Mates (merchant mariners) | 379 | ERS |
| First Officers (airplane pilots) | 29 | RIE |
| Fish Biologists (fish farm workers) | 190 | IRE |
| Fishermen, Commercial | 404 | RES |
| Fishermen, Crab (commercial) | 404 | REI |
| Fishermen, Lobster (commercial) | 404 | REI |
| Fishermen, Net | 404 | RES |
| Fishermen, Pot (commercial) | 404 | REI |
| Fish Farmers | 190 | REI |
| Fish Farm Workers | 190 | no code |
| Fish and Game Wardens | 213 | RES |
| Fish Hatchery Workers (fish farm) | 190 | RES |
| Fishing Guides | 354 | RES |
| Fitness Trainers (health club) | 282 | SEC |
| Fixed Based Operator (airport managers) | 457 | ESR |
| Flaggers (crossing guards) | 587 | RCE |
| Flat Sorting Machine Operators (postal service) | 220 | RSC |
| Fleshing Machine Operators (leather tanning & finishing) | 297 | RCS |
| Flight Attendants, Airline | 41 | ESR |
| Flight Dispatchers | 267 | ESI |
| Flight Engineers (airplane pilots) | 29 | RIE |
| Flight Instructors | 554 | ERS |
| Flight Kitchen Supervisors | 33 | ESR |
| Flight Service Station Air Traffic Controllers | 322 | SCE |
| Flight Service Station Specialists (air traffic controllers) | 322 | SCE |
| Flight Test Engineers (aerospace) | 159 | RIE |
| Floor Covering Installers | 401 | REI, RES |
| Floral Designers | 269 | ARE |
| Floriculturists | 203 | IRS |
| Florists | 269 | ARE |
| Foam Rubber Mixers (rubber goods production) | 328 | RCE |
| Foam Rubber Molders (rubber goods production) | 328 | RES |
| Folders (laundry) | 79 | RES |
| Folding Machine Operators | 335 | CRE |
| Food and Beverage Managers (lodging) | 350 | ESR |
| Food Chemists | 153 | IRS |
| Food Inspectors | 620 | SAE |
| Food Science Technicians (food scientists) | 114 | ISR |
| Food Scientists | 114 | ISR |
| Food Scientists (biotechnologists) | 634 | ISR |
| Food Scientists (canning & preserving) | 389 | ISR |
| Food Service Managers | 100 | ESR |
| Food Service Supervisors | 33 | ESR |
| Forecasters | 143 | IRS |
| Foreign Language Teachers | 295 | SAE |
| Foreign Service Officers | 189 | ESA |
| Foreign Service Security Officers | 388 | ERI |
| Foremen (structural movers) | 472 | RSE |
| Forensic Anthropologists | 382 | IRE |
| Forensic Chemists | 153 | IRE |
| Forensic Pathologists | 230 | IRE |
| Forensic Psychiatrists | 347 | ISA |
| Forensic Psychologists | 144 | no code |
| Forensic Science Technicians (forensic scientists) | 275 | IRC |
| Forensic Scientists | 275 | no code |
| Foresters | 88 | RIS |
| Foresters (logging industry) | 416 | RIS |
| Forest Fire Inspectors (fire fighters) | 69 | CES, REI |
| Forest Fire Prevention Specialists (fire fighters) | 69 | ESA |
| Forestry Consultants | 88 | RIS |
| Forest Technicians | 283 | REI |
| Forge Shop Workers | 352 | no code |
| Forklift Drivers (longshore) | 484 | RCE |
| Foundry Production Workers | 374 | no code |
| Frame Assemblers (furniture manufacturing) | 373 | CRS |
| Franchisees | 280 | ESC |
| Franchise Owners | 280 | ESC |
| Franchisers | 280 | ESC |
| Fraud Examiners | 478 | SEC |
| Freelance Merchandise Displayers | 127 | ARE |
| Freelance Reporters | 265 | CSE |
| Freelance Writers | 606 | no code |
| Freelance Writers | 212 | AES |
| Freight Conductors (railroad) | 14 | ECS |
| Freight Forwarding Professionals (export-import) | 403 | ESR |
| Freight, Stock, and Material Handlers (temporary workers) | 674 | REI |
| Front-end Mechanics (automobile) | 45 | RCS |
| Front Office Managers (lodging) | 350 | ESR |
| Full-Fashioned Knitters | 413 | RCE |
| Full Professors (college & university faculty members) | 184 | SEI |
| Fumigators (pest control workers) | 372 | REI |
| Fund-Raisers (association executives) | 549 | ESA |
| Fund-Raising Directors | 209 | ESA |
| Funeral Attendants (funeral directors) | 38 | ESR |
| Funeral Directors | 38 | ESR |
| Furnace Helpers (iron & steel industry) | 305 | RSE |
| Furnace Operators (iron & steel industry) | 305 | RSE |
| Furniture Assemblers | 373 | CRS |
| Furniture Finishers | 373 | RSE |
| Furniture Manufacturing Workers | 373 | no code |
| Gaffers (motion picture industry) | 2 | REI |
| Gambrelers (slaughtering & meat-packing production) | 423 | RES |
| Game Designers | 678 | IRC |
| Game Producers (video game developers) | 678 | ESI |
| Game Programmers | 678 | IRC |
| Game Testers (video game developers) | 678 | RIC |
| Game Writers (video game developers) | 678 | AEI |
| Gaming Managers | 577 | ESR |
| Gaming and Sportsbook Writers and Runners | 577 | CSR |
| Gaming Supervisors | 577 | ESR |
| Gaming Surveillance Officers (security) | 170 | RCE |
| Gaming Workers | 577 | no code |
| Gantry Operators (shipbuilding) | 435 | RCS |
| Gas Compressor Station Operators (gas & oil distribution) | 196 | RSE |
| Gas Dispatchers (gas & oil distribution) | 196 | ERS |
| Gas Leak Inspectors (gas & oil distribution) | 196 | RES |
| Gas and Oil Distribution Workers | 196 | no code |
| Gas Welders | 27 | REI |
| Gate Agents (ticket) | 333 | ERS |
| Gate Guards (security officers) | 170 | SER |
| Gauge Makers (tool & die) | 60 | RIE |
| Gaugers (gas & oil distribution) | 196 | RCE |
| Gaugers (petroleum drilling) | 263 | RIE |
| Gaugers (petroleum refining) | 188 | RCE |
| Gemologists (bench jewelers) | 640 | REI |
| Gemologists (retail jewelers) | 652 | REI |
| Genealogists | 532 | ESC |
| General Internists | 686 | IRS |
| General, Legal, and Financial Managers (publishing) | 231 | SEI |
| General Managers (lodging) | 350 | ESR |
| General Managers of Aviation | 457 | ESR |
| General Managers (theatrical production) | 612 | ESR |
| General Office Clerks | 3 | CSE |
| General Office Clerks (temporary workers) | 674 | CRS |
| General Restaurant Managers | 100 | ESR |
| General Superintendents | 324 | ERS |
| General Surgeons | 665 | IRA |
| Genetic Counselors | 533 | IRS |
| Genetic Counselors | 492 | IRS |
| Genetic Engineers | 533 | IRS |
| Geneticists | 533 | IRS |
| Geneticists (biotechnologists) | 634 | IRS |
| Geneticists, Plant (botanists) | 635 | IRS |
| Genetics Professionals | 533 | IRS |
| Geodesists (geophysicists) | 148 | IRE |
| Geodetic Surveyors | 221 | IRE |
| Geographers | 155 | IRE |
| Geographers, Cultural | 155 | IRE |
| Geographers, Economic | 155 | IRE |
| Geographers, Environmental | 155 | IRE |
| Geographers, Medical | 155 | IRE |
| Geographers, Physical | 155 | IRE |
| Geographers, Political | 155 | IRE |
| Geographers, Regional | 155 | IRE |
| Geographers, Urban | 155 | IRE |
| Geographic Information Systems Specialists | 500 | IRC |
| Geological Oceanographers | 200 | IRE, IRS |
| Geologists | 129 | IRE |
| Geologists, Engineering | 129 | IRE |
| Geologists, Environmental | 129 | IRE |
| Geologists, Marine | 129 | IRE |
| Geologists, Marine | 200 | IRE, IRS |
| Geologists, Petroleum | 129 | RIE |
| Geologists, Planetary | 129 | IRE |
| Geomagneticists | 148 | IRS |
| Geophysical Prospecting Surveyors | 221 | IER |
| Geophysical Prospectors | 148 | IER |
| Geophysicists | 148 | IRS |
| Geoscientists | 129 | IRE |
| Geospatial Intelligence Workers | 626 | AES, ERS |
| Geotechnical Engineers (civil) | 156 | IER |
| Geothermometrists | 148 | IRS |
| Geriatric Aides | 407 | SRE |
| Geriatric Psychiatrists | 347 | ISA |
| Geriatric Social Workers | 84 | SEA |
| Geriatric Social Workers | 534 | ESA, SEC |
| Glass Installers (automotive body repairers) | 96 | RCE |
| Glazers (pottery & porcelain ware industry) | 137 | RCS, REI, RSE |
| Glaziers | 405 | RSE |
| Golf Club Assemblers (sporting goods production) | 567 | CRS |
| Governesses (child care workers) | 604 | SAE |
| Governesses (household service) | 232 | SEC |
| Government Accountants | 63 | CSI |
| Government Auditors | 101 | ECI |
| Government Benefits Interviewers | 214 | SCE |
| Graders (sawmill) | 441 | RCI |
| Grain Brokers (buyers) | 140 | EAS |
| Grain Buyers | 140 | EIS |
| Grain Elevator Managers | 140 | EIS |
| Granulator Machine Operators (pharmaceutical industry) | 306 | RIE |
| Graphic Designers | 387 | AER |
| Graphics Artists (video game developers) | 678 | AER |
| Graphics Programmers | 678 | IRC |
| Graphics Programmers | 536 | IRC |
| Grapple Spotters (logging industry) | 416 | RCE |
| Gravel Workers (mining industry) | 187 | RIS |
| Green Industry Professionals | 451 | RIS |
| Grinder-Chippers (foundry production) | 374 | REI |
| Grinder Room Operators (paper products manufacturing) | 378 | REI |
| Grinders (forge shop) | 352 | RIE |
| Grinders (industrial chemicals production) | 369 | REC |
| Grinders (rubber goods production) | 328 | RCS |
| Grips, Dolly (motion picture industry) | 2 | RES |
| Grips, Key (motion picture industry) | 2 | ESR |
| Grips (motion picture industry) | 2 | RES |
| Grit Removal Operators (water & wastewater treatment) | 517 | REI |
| Groomers, Dog | 321 | RSE |
| Grooms (racetrack workers) | 629 | RIE |
| Ground Controllers (air traffic) | 322 | SER |
| Grounds Foremen (landscapers) | 451 | RES |
| Groundskeepers (household service) | 232 | RES |
| Grounds Keepers (landscapers) | 451 | RCE |
| Grounds Maintenance Workers (landscapers) | 451 | RCE |
| Grounds Managers (landscapers) | 451 | RES |
| Grounds Superintendants (landscapers) | 451 | RES |
| Ground Water Contractors | 499 | RIE |
| Groundwater Professionals | 593 | IRE, IRS |
| Group Home Child Care Workers | 604 | ESR |
| Guides, Hunting and Fishing | 354 | RES |
| Gunsmiths | 67 | RIE |
| Gunsmiths (firearms industry) | 399 | RIE |
| Gutters (slaughtering & meat-packing production) | 423 | RES |
| Gynecologic Oncologists (obstetrician-gynecologists) | 578 | IRS |
| Gynecologists (obstetrician) | 578 | IRS |
| Hairdressers (cosmetologists) | 7 | no code |
| Hairstylists (cosmetologists) | 7 | SER |
| Hairstylists (stage production technical staff) | 675 | SER |
| Hammersmiths (forge shop) | 352 | REI |
| Hand Peelers (canning & preserving) | 389 | REC |
| Hand Rubbers (furniture manufacturing) | 373 | RCS |
| Hand Sanders (furniture manufacturing) | 373 | REC |
| Hand Sewers (apparel industry) | 35 | CRE |
| Handwriting Analysts | 618 | ACS |
| Hangers (poultry industry) | 248 | no code |
| Harbor Patrol Officers | 4 | SER |
| Hatchery Managers (fish farm) | 190 | ESA |
| Hatchery Owners (poultry industry) | 248 | ESR |
| Hatchery Supervisors (poultry industry) | 248 | ESR |
| Hatchery Workers (poultry industry) | 248 | ECR |
| Hatch Supervisors (longshore) | 484 | ESR |
| Hazardous Materials Removal Workers | 566 | no code |
| Hazardous Waste Management Specialists | 537 | ESI |
| Hazmat Workers | 566 | no code |
| Head End Technicians | 244 | RIE |
| Head Nurses (registered professional) | 75 | SEI |
| Head Sawyers (sawmill) | 441 | RIE |
| Head Tellers | 73 | CSE |
| Health Club Fitness Workers | 282 | no code |
| Health Club Managers (fitness) | 282 | ESR |
| Health Information Coding Specialists | 681 | CIR |
| Health Information Technicians | 681 | CIR |
| Health Physicists | 493 | IRE |
| Health Physics Technicians (health physicists) | 493 | RCS |
| Health Promotion Specialists | 518 | SEA |
| Health Psychologists | 144 | SIA |
| Health Sciences Librarians | 9 | SEC |
| Health Services Administrators | 121 | SER |
| Hearing Aid Specialists | 671 | ESR |
| Hearing Instrument Dispensing Specialists | 671 | ESR, SRC |
| Heaters (forge shop) | 352 | RIE |
| Heating and Air-Conditioning Technicians (heating & cooling) | 225 | RES |
| Heavy-Duty Truck Drivers | 42 | RCS |
| Helicopter Patrol Officers | 4 | SER |
| Helicopter Pilots | 538 | RIS |
| Helmsmen (merchant mariners) | 379 | CRE |
| Help-Desk Technicians | 482 | SER |
| Hematopathologists | 230 | IRE |
| Hemodialysis Technicians | 528 | ISC |
| Hide Inspectors (leather tanning & finishing) | 297 | RSE |
| Hide Pullers (slaughtering & meat-packing production) | 423 | REI |
| Hide Trimmers (slaughtering & meat-packing production) | 423 | RES |
| High Divers (circus performers) | 251 | ESR |
| High School Counselors | 145 | SAE |
| Highway Maintenance Workers | 234 | RCS |
| Histologic Technicians | 227 | IRE |
| Historians | 345 | SEI |
| Historical Archaeologists | 343 | IRE |
| Histotechnicians | 227 | IRE |
| Histotechnologists | 227 | IRE |
| HIV/AIDS Counselors | 503 | ESA |
| Hoist and Winch Operators (construction equipment) | 171 | RCS |
| Holographic Technicians | 415 | IRE |
| Home Builders | 183 | EIR |
| Home Health Aides | 505 | SER |
| Home Health Aides (temporary workers) | 674 | SER |
| Home Health Nurses (registered professional) | 75 | ISR |
| Home Inspectors | 385 | CIE |
| Homeopathic Practitioners (naturopathic physicians) | 624 | SIR |
| Homeopaths (naturopathic physicians) | 624 | SIR |
| Horse Identifiers (racetrack workers) | 629 | ERS |
| Horseshoers | 151 | RSE |
| Horse Trainers | 508 | RES, SEC |
| Horticultural Consultants | 203 | IRS |
| Horticulturists | 203 | IRS |
| Horticulturists, Urban | 203 | IRS |
| Hospice Administrators | 611 | SER |
| Hospital Admitting Clerks | 448 | ECS |
| Hospital Admitting Managers | 448 | ESA |
| Hospital Attendants | 407 | SRE |
| Hospital Food Service Supervisors | 33 | ESR |
| Hot Metal Crane Operators (iron & steel industry) | 305 | RCS |
| Household Goods Movers | 349 | REI, RES |
| Household Managers (household service) | 232 | ESR |
| Household Service Workers | 232 | no code |
| Housekeepers (executive) | 358 | CRE |
| Housekeepers, Executive | 358 | ECR |
| Housekeepers, Executive (lodging) | 350 | ECR |
| Housekeepers (household service) | 232 | RSE |
| House Managers (theatrical production) | 612 | ESR |
| Human Cannonballs (circus performers) | 251 | ESR |
| Human Intelligence Workers | 626 | AES, ERS |
| Human Resources Assistants (human resources managers) | 258 | no code |
| Human Resources Managers | 258 | SEC |
| Humorists (creative writers) | 606 | ASE |
| Hunting and Fishing Guides | 354 | RES |
| Hunting Guides | 354 | RES |
| Hydraulics Engineers (civil) | 156 | IRE, IRS |
| Hydrologists | 364 | IRE |
| Hydrologists (geologists) | 129 | IRE |
| Hydrologists (geophysicists) | 148 | IRE |
| Hygienists, Dental | 18 | SAI |
| Hygienists, Industrial | 461 | IRE |
| Ice Cream Mix Processing Operators (dairy products manufacturing) | 173 | REI |
| Illuminating Engineers | 356 | IRE |
| Illustrators (cartoonists) | 124 | AER |
| Illustrators, Editorial (cartoonists) | 124 | AER |
| Illustrators (fine artists) | 653 | AER |
| Illustrators, Medical | 289 | AIE |
| Illustrators (publishing) | 231 | AER, ARS, CIR, CRA |
| Illustrators, Technical | 287 | ARI |
| Image Consultants | 625 | ASE, ASR, IER, SEA |
| Image Intelligence Workers | 626 | AES, ERS |
| Immigration Enforcement Agents | 139 | no code |
| Immigration Enforcement Officers | 139 | SER |
| Immigration Information Officers (citizenship & immigration) | 105 | ECS, ESA |
| Immigration Services Officer | 105 | no code |
| Immunodermatologists | 527 | ISR |
| Immunologists | 353 | ISE |
| Immunologists (biotechnologists) | 634 | IRE |
| Impersonators (variety performers) | 607 | AES |
| Import-Export Agents | 403 | SEC |
| Independent Claim Adjusters | 300 | ESR |
| Individual Carriers (publishing) | 231 | RES |
| Industrial Archaeologists | 343 | IRE |
| Industrial Cafeteria Supervisors | 33 | ESR |
| Industrial Chemicals Production Workers | 369 | no code |
| Industrial Designers | 126 | AES |
| Industrial Economists | 233 | IAS |
| Industrial Engineers | 284 | EIR |
| Industrial Health Engineers (safety professionals) | 420 | EIC |
| Industrial Hygiene Chemists | 461 | IRE |
| Industrial Hygiene Engineers | 461 | EIC |
| Industrial Hygienists | 461 | IRE |
| Industrial Hygienists (safety professionals) | 420 | EIC |
| Industrial Machinery Mechanics | 315 | RIC |
| Industrial-Organizational Psychologists | 144 | IES |
| Industrial Photographers | 12 | ARS |
| Industrial Relations Directors (human resources managers) | 258 | ESI |
| Industrial Sociologists | 316 | IES |
| Industrial Traffic Managers | 115 | ESR |
| Infant Nurses (child care workers) | 604 | SAE |
| Inflated Ball Molders (sporting goods production) | 567 | RES |
| Information Clerks (office) | 3 | ECS |
| Information Clerks (receptionists) | 107 | CSE |
| Information Officers | 189 | ESA |
| Information Scientists (librarians) | 82 | IER |
| Information Specialists (association executives) | 549 | IER |
| Information Systems Auditors | 101 | CIS |
| Information Systems Managers | 77 | SEI |
| Ingot Headers (iron & steel industry) | 305 | RCS |
| Inorganic Chemists | 153 | IRE |
| Input Operators | 308 | CSE |
| Inspectors (apparel industry) | 35 | CRE |
| Inspectors (canning & preserving) | 389 | REC |
| Inspectors (confectionary industry) | 357 | CRS |
| Inspectors (dry cleaning) | 34 | CSR |
| Inspectors (electrical and electronics industry) | 318 | CRS |
| Inspectors, Fill (canning & preserving) | 389 | REI |
| Inspectors (fireworks industry) | 553 | RCS |
| Inspectors (motor vehicle & parts manufacturing) | 376 | REI |
| Inspectors (petroleum refining) | 188 | RSC |
| Inspectors (pharmaceutical industry) | 306 | CER, RCI |
| Inspectors (pottery & porcelain ware industry) | 137 | CSR, RCI, REI |
| Inspectors (shoe industry) | 142 | RIE |
| Inspectors (slaughtering & meat-packing production) | 423 | REI |
| Inspectors, Testers, Sorters, Samplers, and Weighers (aerospace) | 509 | RIC, RIE |
| Inspectors (winery workers) | 613 | CRE |
| Instructional Aides | 292 | SCE |
| Instructional Coordinators | 368 | SAE |
| Instructors (college & university faculty members) | 184 | SEI |
| Instrumental Musicians | 80 | ASC |
| Instrumentation Chemists | 153 | IRC |
| Instrumentation Technicians | 194 | RIC |
| Insulation Workers | 383 | RCI |
| Insurance Claim Adjusters | 300 | ESR |
| Insurance Claim Examiners (adjusters) | 300 | ESR |
| Insurance Investigators | 300 | ESR |
| Insurance Sales Agents | 218 | ESC |
| Insurance Underwriters | 615 | CSE |
| Intelligence Officers | 626 | AES, ERS |
| Intercity Bus Drivers | 52 | RES |
| Intercity Drivers (truck) | 42 | RIE |
| Interior Designers | 30 | AES |
| Internal Auditors | 101 | ICR |
| Internal Auditors (accountants) | 63 | ICR |
| International Operations Officers (citizenship & immigration) | 105 | ECS, ESA |
| International Trade Economists | 233 | IAS |
| Internet Site Developers (publishing) | 231 | IRS |
| Internists, General | 686 | IRS |
| Interpreters, Oral | 365 | SCE |
| Interpreters, Sign Language | 365 | SCE |
| Interpreters (translators) | 28 | ESA |
| Interpretive Rangers | 120 | ESR |
| Interstate Drivers (truck) | 42 | RIE |
| Interventional Radiologists | 462 | IRS |
| Interviewers | 214 | no code |
| Interviewers, Employment | 402 | SCE |
| Interviewers (marketing researchers) | 254 | CSE |
| Interviewers, Survey (public opinion researchers) | 583 | CSE |
| Inventory Clerks (stock) | 108 | RCI |
| Investigators, Fire (fire fighters) | 69 | IER |
| Investigators, Narcotics (police detectives) | 44 | SRE |
| Investigators, Police | 44 | SER |
| Investigators, Private | 562 | ESI |
| Investment Bankers | 433 | ESC |
| Investment Bankers (financial planners) | 597 | ESC |
| Investors | 550 | ESI, ESR |
| Ion-Exchange Operators (cosmetics industry) | 622 | RSC |
| Iron and Steel Industry Workers | 305 | no code |
| Ironworkers, Construction | 359 | REI |
| Ironworkers, Ornamental (construction) | 359 | RIS |
| Ironworkers, Reinforcing (construction) | 359 | RES |
| Ironworkers, Structural | 359 | REI |
| Jack System Operators (structural movers) | 472 | RSE |
| Jailers (correctional officers) | 467 | SER |
| Janitorial Supervisors | 245 | ESR |
| Janitors | 245 | RES |
| Jazz Dancers | 394 | AER |
| Jewelers, Bench | 640 | REC |
| Jewelers, Retail | 652 | ESA |
| Jewelry Designers | 640 | REC |
| Jig and Fixture Builders (tool & die m akers) | 60 | RIE |
| Jigger Operators (pottery & porcelain ware industry) | 137 | RIE |
| Job Analysts | 272 | IES |
| Job Development Specialists | 341 | SRC |
| Job Development Specialists (job analysts) | 272 | SRC |
| Job Printers (printing industry) | 426 | RIE |
| Job Training Specialists | 572 | ESR, SEC |
| Jockeys | 574 | RES |
| Jockeys (racetrack workers) | 629 | RES |
| Joiners (pleasure craft boatbuilders) | 661 | RES |
| Joiners (shipbuilding) | 435 | RES |
| Judges | 339 | ESA |
| Judges, Presiding (racetrack workers) | 629 | SER |
| Jugglers (variety performers) | 607 | SEC |
| Justices of the Peace | 339 | ESA |
| Kennel Workers | 319 | RCS |
| Key Entry Operators | 308 | CSE |
| Key Grips (motion picture industry) | 2 | ESR |
| Kiln Placers (pottery & porcelain ware industry) | 137 | REC |
| Kindergarten Teachers | 53 | SEC |
| Kinesiotherapists | 36 | SIR |
| Kitchen Helpers (fast-food) | 340 | RCE |
| Kitchen Managers | 33 | ESR |
| Kitchen Staff (fast-food) | 340 | RCE |
| Knit Goods Industry Workers | 413 | no code |
| Knitters | 413 | RCE |
| Knitting Machine Set-Up Operators | 413 | REI |
| Labeling Machine Tenders (canning & preserving) | 389 | RCE |
| Laboratory Animal Caretakers | 319 | ISR |
| Laboratory Assistants (biotechnologists) | 634 | RCS |
| Laboratory Technicians (cosmetics industry) | 622 | IRS |
| Laboratory Technicians (paint & coatings industry) | 56 | IRE |
| Labor Economists | 233 | IAS |
| Laborers (cosmetics industry) | 622 | RES |
| Laborers (paint & coatings industry) | 56 | RIE |
| Laborers (pharmaceutical industry) | 306 | RES |
| Laborers (structural movers) | 472 | RSE |
| Labor Relations Managers (human resources) | 258 | ESR |
| Labor Union Business Agents | 476 | ESA |
| Laminating Machine Tenders (rubber goods production) | 328 | RCS |
| Laminators, Fiberglass (pleasure craft boatbuilders) | 661 | RES |
| Land Care Technicians (landscapers) | 451 | RES |
| Land Management Foresters | 88 | RIS |
| Landscape Architects | 164 | AIR |
| Landscape Contractors (architects) | 164 | RIS |
| Landscape Contractors (horticulturists) | 203 | ESR |
| Landscape Contractors (landscapers) | 451 | ESR |
| Landscape Laborers | 451 | RES |
| Landscapers | 451 | RIS |
| Landscape Technicians (landscapers) | 451 | RES |
| Laser Engineers | 540 | IRE |
| Laserists (laser technicians) | 415 | ASI |
| Laser Technicians | 415 | IRE |
| Last Assemblers (shoe industry) | 142 | RCE |
| Latent Print Examiners (fingerprint specialists) | 298 | REI |
| Lathers (plasterers) | 64 | RCS |
| Laundry Workers | 79 | no code |
| Law Clerks | 523 | SEC |
| Law Enforcement Rangers | 120 | ESR |
| Lawn Care Applicators (landscapers) | 451 | RES |
| Lawn Care Professionals | 451 | RIS |
| Lawyers | 94 | ESI |
| Lawyers, Corporate | 94 | ESA |
| Lawyers, Criminal | 94 | ESA |
| Lawyers, Trial | 94 | ESI |
| Layer-Up Workers (knit goods industry) | 413 | RES |
| Layout Artists (advertising agency) | 113 | AER |
| Layout Workers (machinists) | 32 | RIE |
| Lead Abatement Workers | 566 | no code |
| Learning Specialists | 572 | ESR, SEC |
| Lease Supervisors (petroleum drilling) | 263 | RSE |
| Leather Sorters (shoe industry) | 142 | RCE |
| Leather Tanning and Finishing Workers | 297 | no code |
| Lecturers (college & university faculty members) | 184 | SEI |
| Legal Aides | 523 | SEC |
| Legal Assistants | 523 | SEC |
| Legal Executives | 523 | SEC |
| Legal Nurse Consultants | 390 | SEC |
| Legal Paraprofessionals | 523 | SEC |
| Legal Researchers | 523 | SEC |
| Legal Secretaries | 19 | CSE |
| Legislative Assistants (congressional aides) | 525 | ESR |
| Legislative Correspondents (congressional aides) | 525 | CSE |
| Legislative Directors (congressional aides) | 525 | ESR |
| Legislative Reporters | 265 | CSE |
| Lending Officers | 443 | SEI |
| Lens Cutters (precision optical fabrication technicians) | 471 | RCE |
| Lens Edgers (precision optical fabrication technicians) | 471 | REI |
| Lens Grinders (precision optical fabrication technicians) | 471 | RIE |
| Lens Mounters (precision optical fabrication technicians) | 471 | RES |
| Level Builders (video game developers) | 678 | AER |
| Level Designers | 678 | IRC |
| Lever Tenders (forge shop) | 352 | REC |
| Lexicographers | 658 | IAS |
| Librarians | 82 | SAI |
| Librarians, Academic | 82 | SEC |
| Librarians, Acquisitions | 82 | SAI |
| Librarians, Acquisitions (health sciences) | 9 | SAI |
| Librarians, Chief (health sciences) | 9 | SER |
| Librarians, Children's | 82 | SER |
| Librarians, Circulation (health sciences) | 9 | SAI |
| Librarians, Health Sciences | 9 | SEC |
| Librarians, Outreach (health sciences) | 9 | no code |
| Librarians, Reference | 82 | SAI |
| Librarians, Reference (health sciences) | 9 | no code |
| Librarians, School | 82 | ESA |
| Librarians, Special Collections | 82 | SER |
| Librarians, Special Library | 82 | SEC |
| Librarians, Systems | 82 | IER |
| Librarians, Technical | 82 | IER |
| Library Assistants (librarians) | 82 | CSE |
| Library Directors (health sciences) | 9 | SEC |
| Library Directors (librarians) | 82 | SEC |
| Library Technicians (librarians) | 82 | ESI |
| Librettists (creative writers) | 606 | ASE |
| Licensed Practical Nurses | 11 | SAC |
| Licensed Vocational Nurses | 11 | SAC |
| Lifeguards | 419 | ESR |
| Lighting Board Operators (stage production technical staff) | 675 | RIA |
| Lighting Technicians (motion picture industry) | 2 | REI |
| Light Truck Driver | 42 | RCS |
| Limnologists | 543 | IRE |
| Limnologists | 200 | IRE, IRS |
| Line Erectors (electric power) | 109 | RES |
| Line Haulers (truck drivers) | 42 | RCS |
| Line Producers (motion picture) | 262 | ESA |
| Line Supervisors (electric power) | 109 | RES |
| Linguistic Anthropologists | 382 | IRE |
| Linguists | 541 | AIS, ISC |
| Liquefaction and Regasification Plant Operators (gas & oil distributio | 196 | RSC |
| Liquefaction and Regasification Supervisors (gas & oil distribution) | 196 | RES |
| Literary Agents | 325 | ESA |
| Livestock Buyers (livestock industry) | 479 | EAS |
| Livestock Industry Workers | 479 | no code |
| Livestock Ranchers (livestock industry) | 479 | RSI |
| Livestock Yard Attendants (livestock industry) | 479 | REI |
| Loader Operators (logging industry) | 416 | RCE |
| Loading Machine Operators (mining industry) | 187 | RIE |
| Loading Rack Supervisors (gas & oil distribution) | 196 | ESC |
| Loan Collection Officers | 443 | ESA |
| Loan Counselors (officers) | 443 | ESI |
| Loan Interviewers | 214 | CSE |
| Loan Officers | 443 | SEI |
| Loan Officers, Commercial | 443 | SEI |
| Loan Officers, Consumer | 443 | SEI |
| Loan Officers, Mortgage | 443 | SEI |
| Lobbyists | 608 | ESA |
| Lobster Fishermen (commercial) | 404 | REI |
| Local Controllers (air traffic) | 322 | SER |
| Local Drivers (truck) | 42 | RCS |
| Local Transit Bus Drivers | 52 | RES |
| Locker Room Attendants (resort industry) | 50 | RES |
| Lock Operators | 447 | RSC |
| Locksmiths | 348 | REC |
| Locomotive Engineers (railroad) | 14 | RES |
| Lodging Managers | 350 | ESR |
| Lodging Recreational Managers | 350 | SER |
| Loggers, Mud (petroleum drilling) | 263 | RCS |
| Logging Crew Supervisors | 416 | ERS |
| Logging Industry Workers | 416 | no code |
| Logistics Managers | 115 | ESC |
| Logistics Planners | 599 | REI |
| Long-Distance Drivers (truck) | 42 | RIE |
| Long Distance operators (receptionists) | 107 | CSE |
| Longshore Workers | 484 | no code |
| Long-Wall Mining Machine Operators (industry workers) | 187 | RCE |
| Loss Prevention Managers | 650 | ESA |
| Loss Prevention Specialists | 650 | ESA |
| Low Vision Therapists | 539 | SER |
| Lyricists (creative writers) | 606 | ASE |
| Machine Builders (machinists) | 32 | RIE |
| Machine Molders (foundry production) | 374 | RIE |
| Machine Operators (firearms industry) | 399 | RCE |
| Machine Operators (sporting goods production) | 567 | RCE |
| Machine Rubbers (furniture manufacturing) | 373 | RCS |
| Machine Sanders (furniture manufacturing) | 373 | RCE |
| Machine Shop Setup Operators | 434 | RIE |
| Machine Tool Operators | 37 | RIE |
| Machine Tryout Setters (machinists) | 32 | RIS |
| Machinists | 32 | RIE |
| Machinists (aerospace workers) | 509 | RIE, RIS |
| Machinists, All-around | 32 | RIE |
| Machinists, Experimental | 32 | RIS |
| Machinists (firearms industry) | 399 | RIE |
| Machinists, Maintenance | 32 | RIE |
| Machinists, Marine (pleasure craft boatbuilders) | 661 | RSE |
| Machinists, Prototype | 32 | RIS |
| Macroeconomists | 233 | IAS |
| Magicians (variety performers) | 607 | AES |
| Magistrates | 339 | ESA |
| Maids (executive housekeepers) | 358 | CRE |
| Maids (household service) | 232 | no code |
| Mail Clerks | 335 | CRE |
| Mail Clerks (office) | 3 | CRE |
| Mail Handlers (postal service) | 220 | RSC |
| Maintenance Carpenters | 86 | REI |
| Maintenance Electricians | 395 | RCI |
| Maintenance Machinists | 32 | RIE |
| Maintenance Superintendents | 301 | ERI |
| Maintenance Technicians (cable television) | 244 | REC |
| Maintenance Workers, Grounds (landscapers) | 451 | RCE |
| Makeup Artists (cosmetologists) | 7 | AER |
| Makeup Artists (stage production technical staff) | 675 | AER |
| Management Accountants | 63 | CIE |
| Management Analysts | 136 | ICR |
| Management Analysts (temporary workers) | 674 | ICR |
| Management Consultants | 136 | ICR |
| Management Development Specialists | 572 | ESR, SEC |
| Management Dietitians | 76 | ESI |
| Management Trainees | 579 | ESR |
| Managers, Administrative | 605 | ESR |
| Managers, Agency (advertising) | 113 | AES |
| Managers, Airport | 457 | ESR |
| Managers, Asset | 122 | ESR |
| Managers, Assistant Lodging | 350 | ESR |
| Managers, Bed (fish farm) | 190 | ESA |
| Managers, Benefits (human resources) | 258 | ESC |
| Managers, Box Office (theatrical production) | 612 | SEC |
| Managers, Building | 459 | ERS |
| Managers, Carwash | 589 | RES |
| Managers, City | 445 | SEC |
| Managers, Community | 122 | ESR |
| Managers, Company (theatrical production) | 612 | SEC |
| Managers, Compensation (human resources) | 258 | ESR |
| Managers, Construction | 324 | ERS |
| Managers, Contract | 215 | ESA |
| Managers, Convention | 130 | ESA, ESI |
| Managers, Convention Services (lodging) | 350 | ESA |
| Managers, County | 445 | SEC |
| Managers, Credit | 362 | ESC |
| Managers, Cultural Resource | 343 | IRE |
| Managers, Dairy Farm | 223 | ESR |
| Managers, Department | 673 | ESC |
| Managers, Education and Training (human resources) | 258 | EIS |
| Managers, Employee Welfare (human resources) | 258 | SEA |
| Managers, Employment Firm | 402 | ESC |
| Managers, Employment (human resources) | 258 | ESC |
| Managers, Export-Import | 403 | ESA |
| Managers, Facility | 605 | ESR |
| Managers, Facility | 685 | ESR, RIE |
| Managers, Farm (crop) | 483 | ESR |
| Managers (fast-food) | 340 | SER |
| Managers, Food and Beverage (lodging) | 350 | ESR |
| Managers, Food Service | 100 | ESR |
| Managers, Front Office (lodging) | 350 | ESR |
| Managers, Gaming | 577 | ESR |
| Managers, General (lodging) | 350 | ESR |
| Managers, General (theatrical production) | 612 | SEC |
| Managers, Grain Elevator | 140 | EIS |
| Managers, Grounds (landscapers) | 451 | RES |
| Managers, Hatchery (fish farm) | 190 | ESA |
| Managers, Health Club (fitness) | 282 | ESR |
| Managers, House (theatrical production) | 612 | ESR |
| Managers, Human Resources | 258 | SEC |
| Managers, Industrial Traffic | 115 | ESC |
| Managers, Information Systems | 77 | SEI |
| Managers, Kitchen | 33 | ESR |
| Managers, Labor Relations (human resources) | 258 | ESR |
| Managers, Lodging | 350 | ESR |
| Managers, Lodging Recreational | 350 | SER |
| Managers, Logistics | 115 | ESC |
| Managers, Loss Prevention | 650 | ESA |
| Managers, Manufactured Housing Community | 520 | ESR |
| Managers, Marketing | 633 | AES |
| Managers, Marketing (advertising agency) | 113 | AES |
| Managers, Merchandise (retail buyers) | 95 | ESR |
| Managers, Nursery | 99 | ESA |
| Managers, Office (congressional aides) | 525 | ESR |
| Managers, Park | 470 | ERA |
| Managers, Personal (literary agents) | 325 | ESC, SEA |
| Managers, Print Production (advertising agency) | 113 | ASE |
| Managers, Production (apparel industry) | 35 | ESR |
| Managers, Project | 324 | ERS |
| Managers, Project | 472 | RSE |
| Managers, Property | 122 | ESR |
| Managers, Public Relations | 172 | ASE |
| Managers, Research (marketing researchers) | 254 | ERI |
| Managers, Restaurant | 100 | ESR |
| Managers, Retail | 673 | ESC |
| Managers, Risk | 650 | ESA |
| Managers, Safety (professionals) | 420 | IES |
| Managers, Sales | 442 | ESA |
| Managers, Sales (radio & television broadcasting) | 428 | ESA |
| Managers, Site | 122 | ESR |
| Managers, Stage (production technical staff) | 675 | ESC |
| Managers, Station (radio & television broadcasting) | 428 | ESR |
| Managers, Supermarket | 367 | ESC |
| Managers, Theater (motion picture) | 70 | ESR |
| Managers, Town | 445 | SEC |
| Managers, Traffic (radio & television broadcasting) | 428 | CRS |
| Managing Editors (publishing) | 231 | AES, CIA |
| Manicurists | 602 | ESC |
| Manipulator Operators (forge shop) | 352 | RCE |
| Manipulators (iron & steel industry) | 305 | RSE |
| Manufactured Home Assemblers | 487 | RES |
| Manufactured Home Installers | 487 | RES |
| Manufactured Home Salespersons | 78 | ESA |
| Manufactured Housing Community Managers | 520 | ESR |
| Manufacturers' Representatives | 417 | ESA |
| Manufacturing Engineers | 542 | IRE |
| Manufacturing Engineers (aerospace) | 159 | REI |
| Marble Setters | 418 | RIE |
| Marine Animal Trainers | 508 | RES, SEC |
| Marine Architects (marine engineers) | 163 | IRE |
| Marine Biologists | 543 | IRE |
| Marine Biologists (oceanographers) | 200 | no code |
| Marine Chemists | 200 | IRE, IRS |
| Marine Corps Personnel | 439 | no code |
| Marine Drafters | 22 | IRE |
| Marine Engineers | 163 | IRE |
| Marine Engineers | 200 | IRE, IRS |
| Marine Equipment Mechanics (small engine) | 683 | RES |
| Marine Geologists | 129 | IRE |
| Marine Geologists | 200 | IRE, IRS |
| Marine Machinists (pleasure craft boatbuilders) | 661 | RSE |
| Marine Oilers (merchant mariners) | 379 | REI |
| Markers (apparel industry) | 35 | CSE |
| Markers (dry cleaning) | 34 | REC |
| Marketing Directors (lodging) | 350 | SER |
| Marketing Managers | 633 | AES |
| Marketing Managers (advertising agency) | 113 | AES |
| Marketing Representatives (publishing) | 231 | ASE |
| Marketing Researchers | 254 | ISC |
| Marriage and Family Therapists | 630 | SAE |
| Marshals, Deputy U.S. | 676 | SEC |
| Marshals, Fire (petroleum refining) | 188 | ERS |
| Martial Arts Instructors | 422 | ESR |
| Masons | 10 | no code |
| Masons, Cement | 581 | RES |
| Massage Therapists | 596 | RES |
| Masseurs/Masseuses | 596 | RES |
| Mastectomy Fitters | 601 | RSE |
| Master Electricians (stage production technical staff) | 675 | AES |
| Master Plumbers | 43 | REI |
| Masters (merchant mariners) | 379 | ERI |
| Masters, Property (motion picture industry) | 2 | ERS |
| Masters, Prop (stage production technical staff) | 675 | REI |
| Matchout Workers (laundry) | 79 | CRS |
| Material Handlers | 384 | REI |
| Materials Engineers | 256 | REI |
| Materials Engineers (aerospace) | 159 | REI |
| Materials Planners | 599 | REI |
| Materials Scientists (engineers) | 256 | IRE |
| Maternal-Fetal Medicine Specialists (obstetrician-gynecologists) | 578 | IRS |
| Mates (merchant mariners) | 379 | ERS |
| Mathematical Statisticians | 165 | IRE |
| Mathematical Technicians | 162 | IRC |
| Mathematicians | 162 | IER |
| Mathematicians, Applied | 162 | IER |
| Mathematicians, Theoretical | 162 | IER |
| Measurement and Signature Intelligence Workers | 626 | AES, ERS |
| Measuring Machine Operators (leather tanning & finishing) | 297 | CRE |
| Meat Boners (slaughtering & meat-packing production) | 423 | REC |
| Meatcutters (slaughtering & meat-packing production) | 423 | RSE |
| Meat Grinders (slaughtering & meat-packing production) | 423 | RES |
| Meat Scientists | 238 | IRS |
| Mechanical Door Repairers (elevator installers) | 286 | REI |
| Mechanical Drafters | 22 | IRE |
| Mechanical Engineering Technicians | 103 | IRE |
| Mechanical Engineering Technologists | 103 | IRE |
| Mechanical Engineers | 326 | RIS |
| Mechanical Saw Operators (mining industry) | 187 | RCI |
| Mechanics, Aircraft | 182 | RIE |
| Mechanics, Automobile | 45 | RCI |
| Mechanics, Diesel | 125 | REI |
| Mechanics, Farm Equipment | 202 | RES |
| Mechanics, Front-end (automobile) | 45 | RCS |
| Mechanics, Industrial Machinery | 315 | RIC |
| Mechanics, Marine Equipment (small engine) | 683 | RES |
| Mechanics, Motorboat (small engine) | 683 | RES |
| Mechanics, Motorcycle (small engine) | 683 | RIE |
| Mechanics, Small Engine | 683 | REC |
| Media Buyers (advertising agency) | 113 | ESC |
| Media Directors (advertising agency) | 113 | ESC |
| Media Specialists (librarians) | 82 | ESA |
| Mediators (arbitrators) | 609 | ESA |
| Medical Assistants | 5 | SCR |
| Medical Assistants, Chiropractic | 5 | SRE |
| Medical Assistants, Ophthalmic | 5 | CIS |
| Medical Assistants, Podiatric | 5 | SCE |
| Medical Examiners | 332 | ISE |
| Medical Geographers | 155 | IRE |
| Medical Helicopter Dispatchers | 180 | CSE |
| Medical Illustrators | 289 | AIE |
| Medical Imaging Engineers | 519 | IRE |
| Medical Laboratory Technicians (technologists) | 16 | ISA |
| Medical Language Specialists | 580 | CSE |
| Medical and Public Health Social Workers | 84 | ESA |
| Medical Records Technicians | 681 | CIR |
| Medical Secretaries | 19 | CES |
| Medical Sociologists | 316 | IES |
| Medical Stenographers | 580 | CSE |
| Medical Technologists | 16 | ISA |
| Medical Toxicologists | 569 | IRC, IRE |
| Medical Transcribers | 580 | CSE |
| Medical Transcriptionists | 580 | CSE |
| Medical Writers | 57 | IRS |
| Melters (foundry production) | 374 | RSE |
| Melter Supervisors (iron & steel industry) | 305 | ERS |
| Melt Technicians (foundry production) | 374 | RSE |
| Member Services Counselors (ticket agents) | 333 | SEC |
| Membership Services Personnel (association executives) | 549 | ESA |
| Memorial Designers | 489 | AER |
| Menders (dry cleaning) | 34 | CRE |
| Menders (laundry) | 79 | CRE |
| Mental Health Assistants (psychiatric technicians) | 278 | SEC |
| Mental Health Counselors | 655 | SEC |
| Mental Health and Substance Abuse Social Workers | 84 | SEA |
| Merchandise Brokers (manufacturer's representatives) | 417 | ESC |
| Merchandise Displayers | 127 | ARE |
| Merchandise Distributors | 108 | RCE |
| Merchandise Managers (retail buyers) | 95 | ESR |
| Merchant Mariners | 379 | no code |
| Messengers | 647 | CES |
| Metallurgical Engineers (materials) | 256 | IRE |
| Metallurgical Engineers (mining) | 312 | IRE |
| Metallurgists | 62 | no code |
| Metallurgists, Extractive | 62 | IRE |
| Metallurgists, Physical | 62 | IRE |
| Metallurgists, Powder | 62 | no code |
| Metallurgists, Process | 62 | IRE |
| Metal and Plastic Workers (motor vehicle & parts manufacturing) | 376 | RCI |
| Metalworking Machine Operators | 37 | RIE |
| Metalworking Machine Setup Operators | 434 | RIE |
| Meteorologists | 143 | IRS |
| Meteorologists, Dynamic | 143 | IRS |
| Meteorologists, Physical | 143 | IRS |
| Meter Readers (public utilities service representatives) | 270 | CSE |
| Microbiologists | 135 | IRA |
| Microbiologists (biotechnologists) | 634 | IAR |
| Microbiologists, Public Health | 135 | ISC |
| Microbiologists, Public Health | 495 | ISC |
| Microeconomists | 233 | IAS |
| Microphone Boom Operators (motion picture industry) | 2 | RES |
| Middle School Counselors | 145 | SAE |
| Middle School Teachers | 97 | SAE |
| Midwives, Direct Entry | 475 | SIR |
| Midwives, Nurse | 475 | SIR |
| Migrant Workers (crop farmers) | 483 | REC |
| Mill Operators (leather tanning & finishing) | 297 | REC |
| Millwrights | 106 | RES |
| Mimes (variety performers) | 607 | AEI |
| Mineralogists (geologists) | 129 | ISR |
| Miners (industry workers) | 187 | RIE |
| Mining Engineers | 312 | RIE |
| Mining Industry Workers | 187 | no code |
| Mining Safety Engineers | 312 | REI |
| Ministers | 264 | SAE |
| Missionaries | 264 | SAE |
| Missionaries | 440 | SAE |
| Mission Specialists | 192 | IRS |
| Mixers (cosmetics industry) | 622 | RIE |
| Mixers (industrial chemicals production) | 369 | RES |
| Mixers, Rerecording (motion picture industry) | 2 | RSE |
| Mixers, Sound (recording industry) | 317 | RCS |
| Mixing-Machine Tenders (cosmetics industry) | 622 | RIE |
| Model Makers (pottery & porcelain ware industry) | 137 | RAE |
| Models | 61 | EAS |
| Models, Commercial | 61 | EAS |
| Models, Fashion | 61 | EAS |
| Modern Dancers | 394 | AER |
| Molders (cosmetics industry) | 622 | REC |
| Molders, Foam Rubber (rubber goods production) | 328 | RES |
| Molders (foundry production) | 374 | RIE |
| Molders, Inflated Ball (sporting goods production) | 567 | RES |
| Molecular Biologists (biotechnologists) | 634 | IAR |
| Monetary Economists | 233 | IAS |
| Mortgage Loan Officers | 443 | SEI |
| Morticians (funeral directors) | 38 | RIS |
| Motion Picture Cartoonists | 124 | AES |
| Motion Picture Industry Artists | 262 | no code |
| Motion Picture Industry Technical Staff | 2 | no code |
| Motion Picture Producers | 262 | ESA |
| Motion Picture Theater Workers | 70 | no code |
| Motorboat Mechanics (small engine) | 683 | RES |
| Motorcycle Mechanics (small engine) | 683 | RIE |
| Motor Vehicle and Parts Manufacturing Workers | 376 | no code |
| Movement Therapists | 386 | ASI |
| Movers, Household Goods | 349 | RES |
| Movers, Structural | 472 | RSE |
| Mud Loggers (petroleum drilling) | 263 | RCS |
| Multimedia Computer Specialists | 117 | AES |
| Multiplayer Networking Programmers | 678 | IRC |
| Municipal Arborists | 291 | REI |
| Museum Technicians (curators) | 393 | REI |
| Musicians, Instrumental | 80 | ASC |
| Music Teachers | 236 | AES |
| Music Therapists | 460 | SAE |
| Mycologists (botanists) | 635 | IRS |
| Mycologists (microbiologists) | 135 | IRS |
| Nail Artists | 602 | ESC |
| Nail Formers | 602 | ESC |
| Nail Sculpturists | 602 | ESC |
| Nail Technicians | 602 | ESC |
| Nail Technicians (cosmetologists) | 7 | ESC |
| Nannies (child care workers) | 604 | SAE |
| Nannies (household service) | 232 | SEC |
| Nanoscientists (nanotechnologists) | 637 | IRE |
| Nanotechnologists | 637 | REI |
| Narcotics Investigators (police detectives) | 44 | SRE |
| Naturopathic Doctors | 624 | SIR |
| Naturopathic Physicians | 624 | SIR |
| Naval Architects | 585 | IRE |
| Naval Architects (marine engineers) | 163 | IRE |
| Navy Personnel | 439 | no code |
| Neonatologists | 687 | ISE |
| Neon Sign Fabricators (designers) | 226 | REI |
| Nephrology Technicians | 528 | ISC |
| Nephrology Technologists | 528 | ISC |
| Nerve Conduction Studies Technologists | 474 | RCS |
| Net Fishermen | 404 | RES |
| Network Architects (network & computer systems specialists) | 642 | IRC |
| Network and Computer Systems Specialists | 642 | IRS, SEC |
| Network Consultants (network & computer systems specialists) | 642 | RSI |
| Network Designers (network & computer systems specialists) | 642 | IRC |
| Networking Systems Engineers (network & computer systems specialists) | 642 | RSI |
| Network Systems and Data Communications Analysts (network & computer systems specialists) | 642 | RSI |
| Neuropathologists | 230 | IRE |
| Neuropsychologists | 144 | SIA |
| Neurosurgeons | 665 | IRA |
| News Analysts (radio & television news reporters) | 466 | ESI |
| News Anchors (radio & television news reporters) | 466 | ESI |
| Newscasters (radio & television news reporters) | 466 | ESI |
| Newspaper Reporters | 198 | ASI |
| New World Archaeologists | 343 | IRE |
| Non-Profit Organizers | 628 | ESA |
| Not-for-Profit Organizers | 628 | ESA |
| Nuclear Engineers (power plant) | 320 | IRE |
| Nuclear Equipment Operation Technicians (power plant) | 320 | RCS |
| Nuclear Medicine Technologists | 303 | RIS |
| Nuclear Monitoring Technicians (nuclear power plant) | 320 | RCS |
| Nuclear Pharmacists | 636 | IRC |
| Nuclear Power Plant Engineers | 320 | IRE |
| Nuclear Power Reactor Operators (nuclear plant) | 320 | RES |
| Nuclear Waste Process Operators (power plant) | 320 | RCS |
| Numerical-Control Tool Programmers | 556 | IRE |
| Numerical Control Tool Programmers | 616 | IRE |
| Nurse Anesthetists | 662 | ISE |
| Nurse-Midwives | 475 | SIR |
| Nurse Practitioners | 186 | ISA |
| Nursery Managers | 99 | ESA |
| Nurses, Acute Care | 75 | SIA |
| Nurses, Community Health (registered professional) | 75 | SIE |
| Nurses, Critical Care | 75 | SIA |
| Nurses, Head (registered professional) | 75 | no code |
| Nurses, Home Health (registered professional) | 75 | ISR |
| Nurses, Licensed Practical | 11 | SAC |
| Nurses, Licensed Vocational | 11 | SAC |
| Nurses, Occupational Health (registered professional) | 75 | IES |
| Nurses, Office (registered professional) | 75 | SIR |
| Nurses, Psychiatric | 75 | SIA |
| Nurses, Public Health (registered professional) | 75 | SIE |
| Nurses, Registered Professional | 75 | SIA |
| Nurses, Registered (temporary workers) | 674 | SIA |
| Nurses, School (registered professional) | 75 | SIE |
| Nurses, Staff (registered professional) | 75 | SIA |
| Nursing Aides | 407 | SRE |
| Nursing Assistants | 407 | SRE |
| Nursing Supervisors (registered professional) | 75 | SEI |
| Obstetricians (gynecologists) | 578 | IRS |
| Occupational Health Nurses (registered professional) | 75 | IES |
| Occupational Social Workers | 84 | SEA |
| Occupational Therapists | 74 | SRE |
| Occupational Therapy Aides (therapists) | 74 | SEA |
| Occupational Therapy Assistants (therapists) | 74 | SCE |
| Ocean Engineers | 200 | IRE, IRS |
| Ocean Engineers | 163 | IRE |
| Oceanographers | 200 | IRE, IRS |
| Oceanographers, Biological | 200 | IRE |
| Oceanographers, Chemical | 200 | IRS |
| Oceanographers, Geological | 200 | IRE, IRS |
| Oceanographers (geologists) | 129 | IRE |
| Oceanographers (geophysicists) | 148 | IRS |
| Oceanographers, Physical | 200 | IRE, IRS |
| Oceanographic Engineers | 163 | IRE |
| Oceanographic Engineers | 200 | IRE, IRS |
| Ocean Physicists | 200 | IRE, IRS |
| Offal Separators (slaughtering & meat-packing production) | 423 | REC |
| Office Clerks | 3 | no code |
| Office Machine Technicians | 90 | RES |
| Office Managers (congressional aides) | 525 | ESR |
| Office Nurses (registered professional) | 75 | SIR |
| Officers (armed forces) | 439 | no code |
| Officers, Canine Enforcement | 412 | CEI |
| Officers, CBP | 412 | CEI |
| Officers, Customs and Border Protection | 412 | CEI |
| Officers, Equal Employment Opportunity (human resources) | 258 | SRI |
| Oil Dispatchers (gas & oil distribution) | 196 | ESR |
| Old World Archaeologists | 343 | IRE |
| Ombudsman | 150 | SCR |
| Oncologists, Gynecologic (obstetrician-gynecologists) | 578 | IRS |
| Oncologists, Radiation | 462 | IRS |
| Online Merchants (entrepreneurs) | 550 | ESA, ESR |
| Open-Source Intelligence Workers | 626 | AES, ERS |
| Operating Engineers | 171 | RIS |
| Operations Research Analysts | 514 | IRE |
| Operators-in-Training (water & wastewater treatment plant) | 517 | REI |
| Ophthalmic Assistants | 680 | CIS |
| Ophthalmic Laboratory Technicians | 471 | no code |
| Ophthalmic Medical Assistants | 5 | CIS |
| Ophthalmic Medical Personnel | 680 | CIS |
| Ophthalmic Technicians | 680 | CIS |
| Ophthalmic Technologists | 680 | CIS |
| Ophthalmologists | 13 | ISR |
| Opticians, Dispensing | 123 | RIS |
| Optometric Assistants | 229 | SCI |
| Optometric Technicians | 229 | SCI |
| Optometrists | 85 | ISE |
| Oral Interpreters | 365 | SCE |
| Oral and Maxillofacial Pathologists (dentists) | 59 | IRE |
| Oral and Maxillofacial Radiologists (dentists) | 59 | IRS, ISR |
| Oral and Maxillofacial Surgeons (dentists) | 59 | IRE |
| Oral Transliterators | 365 | SCE |
| Order Clerks (office) | 3 | CES |
| Order Fillers (stock clerks) | 108 | RCE |
| Orderlies (nursing assistants) | 407 | SER |
| Ordinary Seamen (merchant mariners) | 379 | REI |
| Organic Chemists | 153 | IRE |
| Organic Petrologists | 560 | ISR |
| Organizational Economists | 233 | IAS |
| Organization Development Specialists/Managers (training & development) | 572 | EIS, SRE |
| Orientation and Mobility Specialists | 539 | SER |
| Ornamental Blacksmiths | 588 | RIC, RIE |
| Ornamental Ironworkers (construction) | 359 | RIS |
| Orthodontic Technicians (dental) | 31 | RCE |
| Orthodontists (dentists) | 59 | IRS |
| Orthopedic Bioengineers | 519 | IRE |
| Orthopedic Surgeons | 665 | IRA |
| Orthotic Assistants | 601 | RSE |
| Orthotic Fitters | 601 | RSE |
| Orthotic and Prosthetic Assistants | 601 | RSE |
| Orthotic and Prosthetic Technicians | 601 | RIE |
| Orthotic Technicians | 601 | RIE |
| Orthotists | 469 | RSE |
| Osteopathic Physicians | 667 | ISR |
| Outfitters | 354 | RES |
| Outfitters, Boat (pleasure craft boatbuilders) | 661 | REI |
| Outreach Librarians (health sciences) | 9 | no code |
| Oven Tenders (bakery products) | 410 | RES |
| Overlock Machine Operators (knit goods industry) | 413 | CRS |
| Owners and Managers (retail jewelers) | 652 | ESC |
| Packaging Engineers | 274 | ICS |
| Packers (canning & preserving) | 389 | RCI |
| Packers (pasta products) | 555 | REC, RES |
| Packers (temporary workers) | 674 | REC, RES |
| Pad Hands (upholsterers) | 219 | RCS |
| Paint Brush Makers (pen & pencil industry) | 557 | RCS |
| Paint and Coatings Industry Workers | 56 | no code |
| Painters | 20 | RSE |
| Painters, Automotive (accessories installers) | 446 | RCE |
| Painters, Automotive (body repairers) | 96 | RCE |
| Painters, Depilatory (slaughtering & meat-packing production) | 423 | RCE |
| Painters (fine artists) | 653 | ASI |
| Paleontologists | 600 | ISR |
| Pan Operators (confectionery industry) | 357 | RSE |
| Pantry Workers (confectionery industry) | 357 | CRS |
| Paperhangers | 98 | RSE |
| Paper Machine Operators | 378 | REI |
| Paper Products Manufacturing Workers | 378 | no code |
| Paraeducators | 292 | SCE |
| Paralegals | 523 | SEC |
| Paraoptometrics | 229 | SCI |
| Paraprofessionals | 292 | SCE |
| Paratransit Drivers | 242 | SRC |
| Parcel Delivery Workers | 647 | CES |
| Park Administrators | 470 | ERA |
| Park Directors | 470 | ERA |
| Parking Attendants | 463 | CRS |
| Parking Managers (attendants) | 463 | ESR |
| Parking Supervisors (attendants) | 463 | SER |
| Park Managers | 470 | ERA |
| Park Rangers | 120 | ESR |
| Park Superintendents | 470 | ERA |
| Party Chiefs (surveyors) | 221 | IEA |
| Passenger Conductors (railroad) | 14 | ESA |
| Passenger Rate Clerks | 333 | CSE |
| O&P Assistants | 601 | RSE |
| Pasta Products Workers | 555 | no code |
| Pasteurizer Operators (dairy products manufacturing) | 173 | REI |
| Pathologists | 230 | IRE |
| Pathologists, Anatomic | 230 | IRE |
| Pathologists, Chemical | 230 | IRE |
| Pathologists, Clinical | 230 | IRE |
| Pathologists, Forensic | 230 | IRE |
| Pathologists, Oral and Maxillofacial (dentists) | 59 | IRE |
| Pathologists, Plant (botanists) | 635 | IRS |
| Pathologists, Research | 230 | IRE |
| Pathologists, Speech-Language | 193 | SAI |
| Pathologists, Surgical | 230 | IRE |
| Patient Advocates | 150 | SCR |
| Patient Care Technicians | 407 | SRE |
| Patient Representatives | 150 | SCR |
| Pattern Graders (apparel industry) | 35 | REI |
| Patternmakers (apparel industry) | 35 | RIC |
| Patternmakers (foundry production) | 374 | RCI |
| Pawnbrokers | 619 | ECS |
| Payload Specialists | 192 | IRS |
| Payroll Clerks (bookkeepers) | 26 | CRE |
| Peace Corps Volunteers | 664 | no code |
| Pediatric Dentists | 59 | IRE |
| Pediatric Dermatologists | 527 | ISR |
| Pediatricians | 259 | ISE |
| Pedicurists | 602 | ESC |
| Pedorthists (prosthetists and orthotists) | 469 | RSE |
| Penologists | 316 | IES |
| Pen and Pencil Industry Workers | 557 | no code |
| Performance Improvement Specialists (training & development) | 572 | EIS, SRE |
| Performers | 205 | AES |
| Performers, Thrill (variety) | 607 | ESR |
| Performers, Variety | 607 | no code |
| Perfumers (cosmetics industry) | 622 | ISE |
| Perfusionists | 558 | ISR |
| Periodontists (dentists) | 59 | IRE |
| Personal Appearance Professionals | 7 | SEA |
| Personal Assistants (household service) | 232 | SEC |
| Personal Chefs (household service) | 232 | RSE |
| Personal Managers (literary agents) | 325 | ESC, SEA |
| Personal Property Appraisers | 391 | RIS |
| Personal Protection Professionals | 425 | ESC |
| Personal Shoppers (retail salespersons) | 15 | ESR |
| Personal Trainers (health club fitness) | 282 | SRE |
| Personnel Clerks (office) | 3 | CSE |
| Personnel Recruiters | 559 | SCE |
| Personnel Recruiters (human resources) | 258 | SCE |
| Pest Control Service Technicians | 372 | RCE |
| Pest Control Supervisors | 372 | SEC |
| Pest Control Workers | 372 | no code |
| Pet Groomers (animal caretakers) | 319 | RSE |
| Petrographers | 560 | ISR |
| Petroleum Drilling Production Workers | 263 | no code |
| Petroleum Engineers | 197 | RIE |
| Petroleum Geologists | 129 | RIE |
| Petroleum Refining Workers | 188 | no code |
| Petrologists | 560 | ISR |
| Pet Shop Attendants | 319 | RCS |
| Pet Sitters | 319 | RCS |
| Pharmaceutical Industry Workers | 306 | no code |
| Pharmaceutical Production Workers | 306 | RIE |
| Pharmacists | 89 | IES |
| Pharmacists, Nuclear | 636 | IRC |
| Pharmacologists | 181 | IRE |
| Pharmacy Technicians | 592 | REC |
| Phlebotomists | 531 | SRI |
| Photo Checkers (photofinishing laboratory technicians) | 310 | CRA |
| Photoengravers (printing industry) | 426 | RIE |
| Photofinishing Laboratory Technicians | 310 | REI |
| Photogrammetrists (surveyors) | 221 | IRC |
| Photographers | 12 | ARS |
| Photographers, Aerial | 12 | IER |
| Photographers, Biological | 208 | RIS |
| Photographers, Biological | 12 | RIS |
| Photographers, Commercial | 12 | ARS |
| Photographers, Industrial | 12 | ARS |
| Photographers, Portrait | 12 | ARS |
| Photographers, Press | 12 | AEC |
| Photographers (publishing) | 231 | AER, ARS, CIR, CRA |
| Photographers, Scientific | 12 | IRS |
| Photographers, Still | 12 | ARS |
| Photographic Equipment Technicians | 494 | RIE |
| Photojournalists (photographers) | 12 | AEC |
| Physical Anthropologists | 382 | IRE |
| Physical Chemists | 153 | IRE |
| Physical Education Instructors | 157 | SER |
| Physical Geographers | 155 | IRE |
| Physical Metallurgists | 62 | IRE |
| Physical Meteorologists | 143 | IRS |
| Physical Oceanographers | 200 | IRE, IRS |
| Physical Therapist Assistants | 25 | SCR |
| Physical Therapists | 25 | SIE |
| Physical Therapy Aides | 25 | ESC |
| Physician Assistants | 502 | ISA |
| Physicians, Family | 668 | IRE |
| Physicians, Naturopathic | 624 | SIR |
| Physicians, Osteopathic | 667 | ISR |
| Physicians, Sports Team | 546 | ISE |
| Physicists | 141 | IRE |
| Physicists, Health | 493 | IRE |
| Physicists, Ocean | 200 | IRE, IRS |
| Physiologists, Animal (zoologists) | 237 | IRE |
| Physiologists, Plant (botanists) | 635 | IRE |
| Physiologists, Systems | 519 | IRE |
| Piano Technicians | 424 | RAE |
| Piano Tuners | 424 | RCS |
| Picking Machine Tenders (poultry industry) | 248 | no code |
| Pickle Pumpers (slaughtering & meat-packing production) | 423 | RES |
| Picklers (forge shop) | 352 | RCS |
| Picklers (slaughtering & meat-packing production) | 423 | REC |
| Piercing Mill Operators (iron & steel industry) | 305 | RCE |
| Pigment Furnace Tenders (industrial chemicals production) | 369 | RIE |
| Pigment Furnace Tenders (paint & coatings industry) | 56 | RIE |
| Pilots | 192 | IRS |
| Pilots, Agricultural Aircraft | 411 | IRE |
| Pilots, Commercial Airline | 29 | RIE |
| Pilots, Helicopter | 538 | RIS |
| Pipe Fitters | 285 | RCE |
| Pipe Fitters (shipbuilding) | 435 | RIE |
| Pipeline Drafters | 22 | IRC, RIE |
| Pipeline Engineers (gas & oil distribution) | 196 | ISR |
| Pit Brokers (grain buyers) | 140 | ESI |
| Planetary Geologists | 129 | IRE |
| Plant Biochemists (botanists) | 635 | IRS |
| Plant Biophysicists (botanists) | 635 | IRE |
| Plant Breeders (botanists) | 635 | IRS |
| Planters, Tree (forest technicians) | 283 | REC |
| Plant Geneticists (botanists) | 635 | IRS |
| Plant Pathologists (botanists) | 635 | IRS |
| Plant Physiologists (botanists) | 635 | IRE |
| Plant Supervisors (dairy products manufacturing) | 173 | RES |
| Plasterers | 64 | RES |
| Plastic and Reconstructive Surgeons | 665 | IRA |
| Plastics Engineers | 256 | REI |
| Plastics-working Machine Operators | 37 | RIE |
| Plastics-working Machine Setup Operators | 434 | RIE |
| Platemakers (printing industry) | 426 | REI |
| Playwrights (creative writers) | 606 | ASE |
| Pleasure Craft Boatbuilders | 661 | REI |
| Plumbers | 43 | REI |
| Plumbers, Construction | 43 | REI |
| Plumbers, Master | 43 | REI |
| Podiatric Medical Assistants | 5 | SCE |
| Podiatrists | 111 | SIR |
| Poets (creative writers) | 606 | AES |
| Police Detectives | 44 | SER |
| Police Dispatchers | 180 | CSE |
| Police Investigators | 44 | SER |
| Police Officers | 4 | SER |
| Polishers (bench jewelers) | 640 | REI |
| Political Geographers | 155 | IRE |
| Political Officers | 189 | ESA |
| Political Scientists | 119 | SEI |
| Politicians | 154 | ESR |
| Polygraph Examiners | 561 | CIS |
| Polymer Chemists | 153 | IRE |
| Polysomnographic Technologists (electroneurodiagnostic) | 474 | CRI |
| Port Engineers | 163 | IRE |
| Portrait Photographers | 12 | ARS |
| Postal Clerks | 220 | CSE |
| Postal Inspectors | 220 | SIE |
| Postal Service Workers | 220 | no code |
| Postmasters | 220 | ESR |
| Postsecondary Vocational, Technical, and Career Education Teachers | 184 | SEI |
| Pot Fishermen (commercial) | 404 | REI |
| Pottery and Porcelain Ware Industry Workers | 137 | no code |
| Poultry Dressers | 248 | no code |
| Poultry Field Service Technicians | 248 | RES |
| Poultry Industry Workers | 248 | no code |
| Poultry Processing Workers | 248 | REC |
| Poultry Scientists | 238 | IRS |
| Poultry Workers | 248 | RIE |
| Powder Metallurgists | 62 | IRE |
| Power Distributors and Dispatchers (stationary engineers) | 252 | RIS |
| Power Engineers (stationary) | 252 | RES |
| Power Plant Operators (stationary engineers) | 252 | RES |
| Power Plant Technicians | 182 | RIE |
| Power Shovel Operators (mining industry) | 187 | RSE |
| O&P Practioners | 469 | RSE |
| Practitioners, Nurse | 186 | ISA |
| Precision Optical Fabrication Technicians | 471 | no code |
| Preflight Technicians (printing industry) | 426 | RCI |
| Prehistoric Archaeologists | 343 | IRE |
| Prepress Technicians (printing industry) | 426 | RES, RIE |
| Preschool Teachers | 241 | SAE |
| Presenters, Animal (circus performers) | 251 | RES |
| Presiding Judges (racetrack workers) | 629 | SER |
| Pressers (apparel industry) | 35 | REC |
| Pressers (cosmetics industry) | 622 | REC |
| Pressers (dry cleaning) | 34 | REI |
| Press Operators (forge shop) | 352 | REI |
| Press Operators (pleasure craft boatbuilders) | 661 | RSE |
| Press Operators (printing industry) | 426 | RIE |
| Press Photographers | 12 | AEC |
| Press Secretaries (congressional aides) | 525 | ASE |
| Press Tenders (pasta products) | 555 | REA, REI |
| Press Tenders (rubber goods production) | 328 | REC |
| Priests | 440 | SAE |
| Priests, Diocesan | 440 | SAE |
| Priests, Religious | 440 | SAE |
| Principals, Assistant | 247 | SEA |
| Principals, School | 247 | SEI |
| Printer Slotter Operators (paper products manufacturing) | 378 | RSI |
| Printing Industry Workers | 426 | no code |
| Printmakers (fine artists) | 653 | AES |
| Print Production Managers (advertising agency) | 113 | ASE |
| Private Caterers | 473 | ESR |
| Private Duty Nurses (registrered professional) | 75 | ISR |
| Private Investigators | 562 | ESI |
| Probation and Parole Officers | 277 | SIE |
| Process Control Operators (petroleum refining) | 188 | RSC |
| Process Control Technicians | 66 | IRS |
| Process Metallurgists | 62 | IRE |
| Process Operators (cosmetics industry) | 622 | RIE |
| Processors | 626 | AES, ERS |
| Process Piping Drafters | 22 | IRC, RIE |
| Procurement Clerks (purchasing agents) | 167 | CES |
| Procurement Foresters | 88 | RIS |
| Produce Clerks | 108 | RCE |
| Producers (radio & television broadcasting) | 428 | SEA |
| Producers (recording industry) | 317 | ESA |
| Product Demonstrators | 299 | ESC |
| Product Development Directors (video game developers) | 678 | ESI |
| Production Assistants (motion picture) | 262 | ESA |
| Production Coordinators | 646 | ESR |
| Production Designers (motion picture) | 262 | AES |
| Production Engineers (petroleum drilling) | 263 | EIC |
| Production Managers (apparel industry) | 35 | ESR |
| Production Managers (publishing) | 231 | SEI |
| Production Planners | 599 | REI |
| Production Planners (supply chain managers) | 169 | RET |
| Production Schedulers (supply chain managers) | |