Occupational Title | Brief Number | HOC Code |
| Facility Managers | 605 | ESR |
| Facility Managers | 685 | ESR, RIE |
| 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 | 540 | RIC |
| Fiber Optics Engineers | 659 | IRE, 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 |