Security Systems Services (except Locksmiths)
275 active contract opportunities
275
Active Opportunities
252
Posted Last 7 Days
30 days
Avg Response Window
Top Industries
- Security Systems Services (except Locksmiths)275
Set-Aside Distribution
- 119
- Small Business89
- No Set Aside34
- SDVOSB21
- 8(a) Sole Source4
Top Locations
- VA41
- DC19
- CA16
- FL15
- WA15
About NAICS561621
The North American Industry Classification System (NAICS) code 561621 covers security systems services (except locksmiths). Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.
Related Industries
J-Kastle Security System Monitoring and Maintenance
INTERIOR, DEPARTMENT OF THE
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NAICS 561621
Posted Jul 21, 2026
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DEPT OF DEFENSE
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NAICS 561621
Posted Jul 21, 2026
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NAICS 561621
Posted Jul 20, 2026
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NAICS 561621
Posted Jul 20, 2026
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Small BusinessElectronic Security System (ESS) Preventative Maintenance
DEPT OF DEFENSE
NORFOLK, VA
NAICS 561621
Posted Jul 20, 2026
Due Aug 3, 2026
Small BusinessMKARNS Fire and Gas Detection System Upgrade
DEPT OF DEFENSE
LITTLE ROCK, AR
NAICS 561621
Posted Jul 17, 2026
No Set AsideCAC ESS Execution Plan
DEPT OF DEFENSE
FORT LEAVENWORTH, KS
NAICS 561621
Posted Jul 17, 2026
Small BusinessGarrison ESS Execution Plan
DEPT OF DEFENSE
FORT LEAVENWORTH, KS
NAICS 561621
Posted Jul 17, 2026
Small BusinessJ063-LYNX PANIC ALARM SERVICE AGREEMENT
VETERANS AFFAIRS, DEPARTMENT OF
HAMPTON, VA
NAICS 561621
Posted Jul 16, 2026
Small BusinessNotifiers
STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561621
Posted Jul 15, 2026
Due Aug 19, 2026
Small BusinessFire Alarm & Co2 Detection System Upgrades
Small Business Administration (SBA)
KY
NAICS 561621
Posted Jul 14, 2026
Due Aug 10, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB)H-SLBE - Alarm Monitoring and Annual Inspections
INTERIOR, DEPARTMENT OF THE
OMAHA, NE
NAICS 561621
Posted Jul 14, 2026
2026-Maui-Relocation of Cameras- REBID
Small Business Administration (SBA)
HI
NAICS 561621
Posted Jul 14, 2026
Due Aug 21, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB)Electronic Security Systems
DEPT OF DEFENSE
ROCK ISLAND, IL
NAICS 561621
Posted Jul 13, 2026
Due Aug 10, 2026
Small BusinessJ063-PACS Preventative Maintenance-Provide preventative maintenance (PMs) bi-annually Base +4
VETERANS AFFAIRS, DEPARTMENT OF
WASHINGTON, DC
NAICS 561621
Posted Jul 13, 2026
J042-Fire Alarm Service
VETERANS AFFAIRS, DEPARTMENT OF
RIDGELAND, MS
NAICS 561621
Posted Jul 10, 2026
SDVOSBJohnson Controls Fire Alarm Maintenance
VETERANS AFFAIRS, DEPARTMENT OF
PITTSBURGH, PA
NAICS 561621
Posted Jul 9, 2026
No Set AsideInstall, Configure, Provide Maintenance, Repair and Training Services for an Electronic Security System (ESS) to Include Access Control System (ACS) and Closed Circuit Television System (CCTV) for Outlying Hospital Clinics (OHCs), Behavior Health (BH)
DEPT OF DEFENSE
APO, AP
NAICS 561621
Posted Jul 9, 2026
Due Aug 10, 2026
Electronic Security System (ESS) Maint & SVC - W91QF4-26-D-A005
DEPT OF DEFENSE
FORT LEAVENWORTH, KS
NAICS 561621
Posted Jul 8, 2026
Small Business152 SFS Advantor Repair/Upgrade
DEPT OF DEFENSE
RENO, NV
NAICS 561621
Posted Jul 7, 2026
