The Department of Defense is the largest federal buyer, obligating hundreds of billions annually across weapons systems, IT, logistics, and professional services through the military departments and defense agencies.
Computed from tracked federal obligations, agency spend trajectory, GAO protest history, and recompete pipeline. Updated every 6 hours. Not affiliated with Department of Defense.
Department of Defense reads as a incumbent-heavy buyer (49/100), anchored by 17.5% top vendor share at DOD.