| | | Department of Energy | +12025865000 | Mon-Fri: 8:00 AM - 5:00 PM | Energy policy, nuclear safety, research |
United States Secret Service | +12024065708 | 24/7 | Presidential protection |
| | | |
United States Department | +12027202791 | Mon-Fri: 8:00 AM - 4:30 PM | Agriculture policy, food safety, nutrition programs |
National Aeronautics and | +12023580001 | Mon-Fri: 9:00 AM - 5:00 PM | Space exploration, aeronautics research |
Food and Drug | +18884636332 | Mon-Fri: 8:00 AM - 4:30 PM | Food safety, drug regulation, medical devices |
Social Security Administration | +18007721213 | Mon-Fri: 8:00 AM - 5:00 PM | Social Security benefits, Medicare, Disability claims |
Federal Aviation Administration | +18668355322 | Mon-Fri: 8:00 AM - 4:30 PM | Aviation safety, air traffic control |
Transportation Security Administration | +18662899673 | 24/7 | Airport security screening, transportation safety |