- Civil Aeronautics Administration
- Defense Transportation Administration
- Domestic and International Business Administration
- Economic Cooperation Administration
- Economic Development Administration
- Employment Standards Administration
- Energy Research and Development Administration
- Environmental Science Services Administration
- Farm Credit Administration
- Federal Aviation Administration
- Federal Communications Administration
- Federal Energy Administration
- Federal Highway Administration
- Federal Housing Administration
- Federal Railroad Administration
- Federal Water Pollution Control Administration
- Food and Drug Administration
- Foreign Operations Administration
- General Services Administration
- International Cooperation Administration
- Labor-Management Services Administration
- Manpower Administration
- Maritime Administration
- National Aeronautic and Space Administration
- National Credit Union Administration
- National Highway Traffic Administration
- Occupational Safety and Health Administration
- Rural Electrification Administration
- Small Business Administration
- Urban Mass Transportation Administration
- Veterans Administration