Do all federal agencies post contracts on SAM.gov?

SAM.gov is the primary federal procurement posting system, but with nuances: **Agencies required to use SAM.gov:** - All executive branch agencies - Most independent agencies - Department of Defense (all branches) - Civilian agencies (GSA, HHS, DHS, etc.) **Exceptions and variations:** - Intelligence community has classified portals - Some agencies use supplemental posting systems - Foreign posts may use different methods - Grants and cooperative agreements use grants.gov **Supplemental agency systems:** - DoD also uses specific IDIQ vehicle portals - Navy uses SeaPort-NxG portal - Army uses multiple acquisition centers - GSA uses eBuy for Schedule purchases - NASA has SEWP and other vehicles **What gets posted where:** - Primary solicitations: SAM.gov - Task orders: Often vehicle-specific - Schedule RFQs: eBuy - Grants: grants.gov - Contracts below threshold: May not post **Best practices:** - Monitor SAM.gov as primary source - Register on agency-specific systems - Sign up for contract vehicle notifications - Follow agencies in your market space - Use SAM.gov saved search alerts **Award reporting:** All agencies must report contract awards to FPDS, viewable through SAM.gov and USASpending.gov regardless of where opportunity was posted.