Occupational Title | Brief Number | HOC 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 | 200 | IRE, IRS |
| Geologists, Marine | 129 | IRE |
| 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 | 534 | ESA, SEC |
| Geriatric Social Workers | 84 | SEA |
| 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 | 536 | IRC |
| Graphics Programmers | 678 | 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 |