NAICS 561621: Security Systems Services (except Locksmiths)

Name: NAICS 561621 federal contracting data
Creator: GovSeeker

Live federal contracting data for Security Systems Services (except Locksmiths) — updated daily from SAM.gov and USAspending.

Open opportunities

33,754

Awards on record

$11.2B

Total awarded value

3,863

Vendors competing

Open opportunities in 561621

INTERIOR, DEPARTMENT OF THE · Solicitation · closes 2026-08-31

INTERIOR, DEPARTMENT OF THE · Combined Synopsis/Solicitation · closes 2026-09-08

HOMELAND SECURITY, DEPARTMENT OF · Combined Synopsis/Solicitation · closes 2026-08-28

DEPT OF DEFENSE · Solicitation · closes 2026-09-02

DEPT OF DEFENSE · Sources Sought · closes 2026-08-20

HOMELAND SECURITY, DEPARTMENT OF · Sources Sought · closes 2026-08-21

DEPT OF DEFENSE · Combined Synopsis/Solicitation · closes 2026-08-24

DEPT OF DEFENSE · Combined Synopsis/Solicitation · closes 2026-08-21

DEPT OF THE AIR FORCE260 notices

VETERANS AFFAIRS, DEPARTMENT OF170 notices

DEPT OF THE ARMY112 notices

DEPT OF THE NAVY52 notices

OFFICE OF PROCUREMENT OPERATIONS49 notices

Get alerted the moment a new 561621 opportunity posts

GovSeeker matches opportunities to your capability statement with AI analysis — free to start.

Browse all NAICS codes · Data from SAM.gov & USAspending · GovSeeker is not affiliated with the U.S. government