Security Systems Services (except Locksmiths) government contracts (NAICS 561621)
Open federal, state and local contract notices classified under NAICS 561621.
Data as of Oct 24, 2026. Sources: SAM.gov and Grants.gov. Snapshot govcon-directory-20261024T104923Z-2151694.
This product uses the Grants.gov API but is not endorsed or certified by the U.S. Department of Health and Human Services. Counts and totals are computed by DSE from public SAM.gov and Grants.gov notices. Text from Grants.gov may be shortened or have contact details removed. The original notice on Grants.gov is the authoritative version.
As of Oct 24, 2026, 23 open notices list NAICS 561621 (Security Systems Services (except Locksmiths)). 17 notices close within 30 days and 17 were posted in the last 30 days. The agencies with the most open notices are Department of Defense (11), Department of Veterans Affairs (6), Department of Homeland Security (2). USAspending shows, over the trailing 12 months, $174,989,991 obligated under this code by Department of Defense; $24,403,842 obligated under this code by Department of Veterans Affairs; $62,691,693 obligated under this code by Department of Homeland Security.
Source: USAspending.gov, U.S. Department of Treasury, Bureau of the Fiscal Service, https://www.usaspending.gov. Accessed Oct 24, 2026. Award totals are computed by DSE from USAspending.gov award data.
Open notices, closing soonest first
- Notice of Intent to Sole Source - Replacement Marine Fire Detection and Alarm System – Motor Vessel QuincyClosing in 3 days
- J042--Fire Alarm System Monitoring and Programming INTENT TO SOLE SOURCEClosing in 4 days
- J063 Service and Software Updates to Security Access Control and Camera Systems Across Idaho/ Eastern Oregon VA LocationsClosing in 5 days
- Corrective and Preventative Maintenance of Electronic Security Systems at the Ronald Reagan BuildingClosing in 5 days
- J--FIRE AND SECURITY ALARM MONITORING SERVICES FOR GOClosing in 5 days
- Fire Protection Services at USCG Air Station SacramentoClosing in 6 days
- H312--Fire Alarm and Testing Inspection FY 2027 Services Procurement - 541 Engineering - VAMC CLEVELANDClosing in 6 days
- Troubleshooting and repair of access control panels on the Superior National ForestClosing in 6 days
- Inspection of Fire Extinguishers and Suppression Systems for AMXG at Hill AFB, UtahClosing in 6 days
- Security Gate Maintenance and Repair Services Aberdeen Test Center, Aberdeen Proving Ground, MDClosing in 9 days
- IRS Intrusion Detection System, C. Clifton Young Federal Building & US CourthouseClosing in 10 days
- Enterprise Electronic Security Systems (ESS) - Nationwide Operations, Maintenance, Integration, and Lifecycle SupportClosing in 11 days
- J012-- Fire Alarm Suppression Maintenance & Repair ServicesClosing in 11 days
- Electronic Security SystemsClosing in 13 days
- Tobyhanna Gates & TurnstilesClosing in 20 days
- Boise VA Security Equipment & Software Service MaintenanceClosing in 22 days
- W9124G26CBARRACKSClosing in 24 days
- Fire Alarm BPA Fort Drum NYClosing in 81 days
- Integrated Security Services Contract 5Closing in 128 days
- Notice of Intent for Brand Name for Maintenance and Support for HUGS Patient Security SystemClosing in 306 days
- Naval Hospital Guam-Agana Expanded Badge Readers and Alarm SystemsClosing in 674 days
- Industry Day Announcement: Global Unified Airbase Readiness and Defense (GUARD)Open, no deadline stated
- Primary Care Duress ButtonsOpen, no deadline stated
Top agencies buying this NAICS
- Department of Defense 11 open, $174,989,991 obligated in the last 12 months
- Department of Veterans Affairs 6 open, $24,403,842 obligated in the last 12 months
- Department of Homeland Security 2 open, $62,691,693 obligated in the last 12 months
- Department of the Interior 1 open, $5,555,518 obligated in the last 12 months
- Department of Agriculture 1 open
- General Services Administration 1 open, $3,801,715 obligated in the last 12 months
- Department of Health and Human Services 1 open
Related NAICS
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See DSE GovCon plans →Frequently asked questions
How many open government contracts are there for NAICS 561621?
As of Oct 24, 2026, 23 open notices list NAICS 561621 (Security Systems Services (except Locksmiths)) in the DSE directory.
Which agencies are buying under NAICS 561621?
Agencies with the most open notices: Department of Defense (11), Department of Veterans Affairs (6), Department of Homeland Security (2).
When does the next NAICS 561621 notice close?
The soonest deadline is Oct 27, 2026, for "Notice of Intent to Sole Source - Replacement Marine Fire Detection and Alarm System – Motor Vessel Quincy". 9 notices close within 7 days.
Are there set-asides under NAICS 561621?
11 of 23 open notices carry a set-aside. Most common: Total Small Business (7), Service-Disabled Veteran-Owned Small Business (3), Women-Owned Small Business (1).
Where is the NAICS 561621 work performed?
Most common places of performance: ID (2), MD (2), IA (1).