| Accountants and Auditors | 132011 |
| Actors | 272011 |
| Actuaries | 152011 |
| Administrative Law Judges, Adjudicators, and Hearing Officers | 231021 |
| Administrative Services Managers | 113011 |
| Adult Literacy, Remedial Education, and GED Teachers and Instructors | 253011 |
| Advertising Sales Agents | 413011 |
| Advertising and Promotions Managers | 112011 |
| Aerospace Engineering and Operations Technicians | 173021 |
| Aerospace Engineers | 172011 |
| Agents and Business Managers of Artists, Performers, and Athletes | 131011 |
| Agricultural Engineers | 172021 |
| Agricultural Equipment Operators | 452091 |
| Agricultural Inspectors | 452011 |
| Agricultural Sciences Teachers, Postsecondary | 251041 |
| Agricultural Workers, All Other | 452099 |
| Agricultural and Food Science Technicians | 194011 |
| Air Traffic Controllers | 532021 |
| Aircraft Cargo Handling Supervisors | 531011 |
| Aircraft Mechanics and Service Technicians | 493011 |
| Aircraft Structure, Surfaces, Rigging, and Systems Assemblers | 512011 |
| Airfield Operations Specialists | 532022 |
| Airline Pilots, Copilots, and Flight Engineers | 532011 |
| Ambulance Drivers and Attendants, Except Emergency Medical Technicians | 533011 |
| Amusement and Recreation Attendants | 393091 |
| Anesthesiologists | 291061 |
| Animal Breeders | 452021 |
| Animal Control Workers | 339011 |
| Animal Scientists | 191011 |
| Animal Trainers | 392011 |
| Anthropologists and Archeologists | 193091 |
| Anthropology and Archeology Teachers, Postsecondary | 251061 |
| Appraisers and Assessors of Real Estate | 132021 |
| Arbitrators, Mediators, and Conciliators | 231022 |
| Architects, Except Landscape and Naval | 171011 |
| Architectural and Civil Drafters | 173011 |
| Architecture Teachers, Postsecondary | 251031 |
| Archivists | 254011 |
| Area, Ethnic, and Cultural Studies Teachers, Postsecondary | 251062 |
| Art Directors | 271011 |
| Art, Drama, and Music Teachers, Postsecondary | 251121 |
| Artists and Related Workers, All Other | 271019 |
| Assemblers and Fabricators, All Other | 512099 |
| Astronomers | 192011 |
| Athletes and Sports Competitors | 272021 |
| Athletic Trainers | 299091 |
| Atmospheric and Space Scientists | 192021 |
| Atmospheric, Earth, Marine, and Space Sciences Teachers, Postsecondary | 251051 |
| Audio and Video Equipment Technicians | 274011 |
| Audio-Visual Collections Specialists | 259011 |
| Audiologists | 291121 |
| Automotive Body and Related Repairers | 493021 |
| Automotive Glass Installers and Repairers | 493022 |
| Automotive Service Technicians and Mechanics | 493023 |
| Avionics Technicians | 492091 |
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