Federal contracting · 10 departments

Federal RFPs by Agency

Browse 10 of the largest U.S. federal contracting agencies on SAM.gov. Pick a department to see active RFPs, NAICS codes, set-asides, and AI proposal drafts in minutes.

Generate a Proposal — Free

Department of Defense

Department of Defense

Largest federal contracting agency — typically $400B+ in annual obligations spanning the Army, Navy, Air Force, Marine Corps, Space Force, and the Fourth Estate.

View DoD opportunities →

Department of Homeland Security

Department of Homeland Security

Major civilian federal buyer with award volume concentrated at CBP, ICE, FEMA, TSA, and CISA.

View DHS opportunities →

General Services Administration

General Services Administration

Runs the federal government’s central procurement vehicles (MAS, OASIS+, VETS-2, 8(a) STARS III) and the federal building portfolio.

View GSA opportunities →

Department of Veterans Affairs

Department of Veterans Affairs

Second-largest federal department by spend after DoD; runs the Veterans First Contracting Program (VOSB / SDVOSB set-asides).

View VA opportunities →

National Aeronautics and Space Administration

National Aeronautics and Space Administration

Smaller dollar-share than DoD, but mission-driven awards run across ten field centers and tend to favor long-term contractor relationships through FFRDCs.

View NASA opportunities →

Department of Health and Human Services

Department of Health and Human Services

Awards concentrate at NIH, CDC, CMS, and FDA — all major buyers of federal health services and biomedical research.

View HHS opportunities →

Department of Energy

Department of Energy

National laboratory operating contracts run in the hundreds of millions annually; R&D and environmental remediation awards across 17 labs.

View DoE opportunities →

Department of State

Department of State

Awards spread across the Bureau of Administration, Consular Affairs, and Diplomatic Security — with meaningful small-business set-aside action.

View DoS opportunities →

Department of Agriculture

Department of Agriculture

Mid-sized civilian federal buyer with strong set-aside action across the Forest Service, Rural Development, and Food and Nutrition Service.

View USDA opportunities →

Department of Justice

Department of Justice

Smaller share than the Big 4 (DoD, DHS, GSA, VA) but meaningful set-aside action across FBI, BOP, USMS, and OJP.

View DOJ opportunities →
Browse all SAM.gov agencies →
Ready to bid? Generate a fully compliant proposal for any of these RFPs in under 10 minutes — powered by AI.
Start Free — No Credit Card