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NAICS 561621

Security Systems Services (except Locksmiths) contracts

Open federal opportunities classified under NAICS 561621.

40 opportunities open now

Sources Sought
Closes in 6 days

Sources Sought - ESS Alarms

Dept of Defense

561621 · Security Systems Services (except Lock… Colorado Posted Jun 01, 2026
Solicitation
Closes in 17 days

6350--(PACS) Doors Service and Maintenance

Veterans Affairs, Department of

561621 · Security Systems Services (except Lock… Posted May 29, 2026
Combined Synopsis/SolicitationSmall Business
Closes in 16 days

Access Control and Video Monitoring Systems (ACS & VMS)

Dept of Defense

561621 · Security Systems Services (except Lock… Georgia Posted May 29, 2026
Solicitation
Closes in 13 days

Lenel Access Control System Installation for SCIF Environment

Dept of Defense

561621 · Security Systems Services (except Lock… Rhineland-Palatinate Posted May 29, 2026
Sources Sought
Closes tomorrow

N063--Fire Alarm Panels

Veterans Affairs, Department of

561621 · Security Systems Services (except Lock… Minnesota Posted May 29, 2026
PresolicitationNONE
Closes in 3 days

9 SFS VICADS Viewers Workstations and Installation

Dept of Defense

561621 · Security Systems Services (except Lock… California Posted May 28, 2026
Sources Sought
Closes in 3 days

Global Unified Airbase Readiness and Defense (GUARD) Capabilities Sources Sought

Dept of Defense

561621 · Security Systems Services (except Lock… Massachusetts Posted May 28, 2026
PresolicitationSDVOSB
Closes in 17 days

6350--(PACS) Doors Service and Maintenance

Veterans Affairs, Department of

561621 · Security Systems Services (except Lock… Posted May 28, 2026
SolicitationSmall Business
Closes in 14 days

Fire Alarm Maintenance & Repair - Dover AFB

Dept of Defense

561621 · Security Systems Services (except Lock… Delaware Posted May 28, 2026
SolicitationISBEE
Closes in 2 days

Access Control System

Health and Human Services, Department of

561621 · Security Systems Services (except Lock… Arizona Posted May 27, 2026
Sources Sought
Closes tomorrow

J063--Providence RI Physical Access Security Maintenance

Veterans Affairs, Department of

561621 · Security Systems Services (except Lock… District of Columbia Posted May 27, 2026
Sources Sought
Closes in 9 days

Source Sought-Mobile Surveillance Camera Trailers/Monitoring at Riverside National Cemetery

Veterans Affairs, Department of

561621 · Security Systems Services (except Lock… California Posted May 27, 2026
SolicitationSmall Business
Closes in 13 days

Replace Fire Alarms, Multi Facility

Dept of Defense

561621 · Security Systems Services (except Lock… Mississippi Posted May 26, 2026
Combined Synopsis/SolicitationSDVOSB
Closes in 2 days

NTX Access Control System Installation

Veterans Affairs, Department of

561621 · Security Systems Services (except Lock… Texas Posted May 22, 2026
Combined Synopsis/Solicitation
Closes Jul 31, 2026

J012--Fire Alarm-Fire Suppression Services for the VA Salt Lake City, Utah Medical Center

Veterans Affairs, Department of

561621 · Security Systems Services (except Lock… Utah Posted Apr 29, 2026

Set-asides used in this sector

Small Business8(a)HUBZoneSDVOSB

About NAICS 561621

Installation, repair, and monitoring of electronic security alarm systems — including access control, intrusion detection, and CCTV. Used for federal facility security technology contracts and integrated electronic security work.

Typical award value: $250K – $25M per award.

Full NAICS 561621 guide →