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NAICS 561621: Security Systems Services (except Locksmiths)

100 federal set-aside contracts under NAICS code 561621. Updated daily from SAM.gov, rewritten in plain English.

Active (57)Closed (43)
U.S. Department of Veterans Affairs
NEWDisabled Veteran-Owned

Fire Alarm Service

U.S. Department of Veterans Affairs
$100K – $500KUpdated Jul 10
Rolling deadline
U.S. Department of Defense
Small Business

Security Cameras for Air Force Base

U.S. Department of Defense
$130K – $170K📍 Colorado Springs, COUpdated Jul 10
Offers due Jul 25 · in 14 days
U.S. Department of Health and Human Services
Small Business

Access Control System Replacement and Support

U.S. Department of Health and Human Services
$25M📍 Oklahoma City, OKUpdated Jul 10
Offers due Jul 20 · in 9 days
U.S. Department of Homeland Security
Small Business

Security Equipment Installation

U.S. Department of Homeland Security
$25M📍 CaliforniaUpdated Jul 09
Offers due Jul 24 · in 13 days
U.S. Department of Defense
Small Business

ICIDS Maintenance Services for Fort Hamilton, NY

U.S. Department of Defense
$25M – $50M📍 Brooklyn, NYUpdated Jul 09
Offers due Jul 27 · in 16 days
U.S. Department of Defense
Small Business

Replace STC50 Door Building 307

U.S. Department of Defense
$25K – $100K📍 Martinsburg, WVUpdated Jul 09
Offers due Jul 27 · in 16 days
U.S. Department of Defense
Small Business

Electronic Security System Maintenance and Services

U.S. Department of Defense
$100K – $500K📍 Fort Leavenworth, KSUpdated Jul 08
Rolling deadline
U.S. Department of Defense
Small Business

Lenel Badging System Upgrade

U.S. Department of Defense
$100K – $500K📍 Fort Riley, KSUpdated Jul 08
Offers due Jul 13 · in 2 days
U.S. Department of Veterans Affairs
Small Business

Preventive Maintenance and Software Support for VA Security Systems

U.S. Department of Veterans Affairs
$500K – $2MUpdated Jul 08
Offers due Jul 18 · in 7 days
U.S. Department of Defense
Small Business

AVB Barrier Assessment

U.S. Department of Defense
$25M📍 Houston, TXUpdated Jul 08
Offers due Jul 24 · in 13 days
U.S. Department of Defense
Small Business

Security, Access Control, and Building Management Services

U.S. Department of Defense
$100K – $500KUpdated Jul 08
Offers due Jul 20 · in 9 days
U.S. Department of Agriculture
Small Business

Security System Monitoring and Annual Equipment Inspection

U.S. Department of Agriculture
$100K – $500K📍 Hamden, CTUpdated Jul 10
Offers due Jul 17 · in 6 days
U.S. Department of the Interior
Small Business

Fire Alarm and Sprinkler Inspections

U.S. Department of the Interior
$100K – $500KUpdated Jul 07
Offers due Jul 16 · in 5 days
U.S. Department of Defense
✏️ UpdatedSmall Business

Repair Fire Alarms at Multiple Facilities

U.S. Department of Defense
$100K – $500K📍 Joint Base Pearl Harbor-Hickam, HIUpdated Jul 11
Offers due Jul 28 · in 17 days
U.S. Department of Defense
Small Business

Security System Refresh for Air Force Base

U.S. Department of Defense
$25M📍 FE Warren AFB, WYUpdated Jul 07
Offers due Jul 22 · in 11 days
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Related NAICS codes

561612Security Guards and Patrol Services(18)561611Investigation and Personal Background Check Services(2)561622Locksmiths(2)

Browse all NAICS codes →

NAICS 561621 — common questions

What is NAICS code 561621?expand_more

NAICS 561621 is the 2022 North American Industry Classification System code for "Security Systems Services (except Locksmiths)." Federal agencies assign it to contract opportunities in this industry so vendors can find work that matches their capabilities.

Are there small-business set-asides under NAICS 561621?expand_more

Yes. There are currently 57 active federal set-aside opportunities listed under NAICS 561621, including 8(a), WOSB, SDVOSB, HUBZone, and small-business set-asides. They're listed above and refreshed daily from SAM.gov.

Looking for a specific program? Browse by set-aside type: 8(a), SDVOSB, WOSB, HUBZone.

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