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Federal agencies have awarded 1,843 contracts worth $722M to 452 recipients under NAICS 561621 (Security Systems Services (except Locksmiths)). Below are the top recipients, the agencies buying most under this code, and current open solicitations.
Across all years, federal agencies have obligated $722M to 452 vendors under NAICS 561621 (Security Systems Services (except Locksmiths)), an average of $392K per award. In FY2026, $205.4M was awarded across 365 contract actions. Around 13% of awards under this code went to small businesses through programs such as 8(a) Business Development, Service-Disabled Veteran-Owned, Small Business. The largest buyer is Department of Defense. Most of the work is performed in CA and DC. Browse open bids →
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