| Administration for Children and Families |
| Agriculture Department |
| Census Bureau |
| Centers for Medicare & Medicaid Services |
| Coast Guard |
| Commerce Department |
| Defense Department |
| Employment and Training Administration |
| Energy Department |
| Environmental Protection Agency |
| Executive Office of the President |
| Federal Aviation Administration |
| Federal Communications Commission |
| Federal Energy Regulatory Commission |
| Federal Highway Administration |
| Federal Reserve System |
| Federal Transit Administration |
| Fish and Wildlife Service |
| Forest Service |
| General Services Administration |
| Health Resources and Services Administration |
| Health and Human Services Department |
| Homeland Security Department |
| Housing and Urban Development Department |
| Indian Affairs Bureau |
| Industry and Security Bureau |
| Interior Department |
| Internal Revenue Service |
| International Trade Administration |
| International Trade Commission |
| Judicial Conference of the United States |
| Labor Department |
| Land Management Bureau |
| Maritime Administration |
| National Aeronautics and Space Administration |
| National Institutes of Health |
| National Oceanic and Atmospheric Administration |
| National Park Service |
| National Telecommunications and Information Administration |
| Nuclear Regulatory Commission |
| Occupational Safety and Health Administration |
| Pipeline and Hazardous Materials Safety Administration (phmsa) |
| Postal Regulatory Commission |
| Postal Service |
| Securities and Exchange Commission |
| Small Business Administration |
| State Department |
| Substance Abuse and Mental Health Services Administration |
| Trade Representative Office of the United States |
| Transportation Department |
| Transportation Statistics Bureau |
| Treasury Department |
| U.S. Customs and Border Protection |
| Unified Carrier Registration Plan |