NAICS 561621in56162:Security Systems Services

Security Systems Services (except Locksmiths)

339 active contract opportunities

339

Active Opportunities

301

Posted Last 7 Days

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Top Industries

  • Security Systems Services (except Locksmiths)339

Set-Aside Distribution

  • 151
  • Small Business71
  • No Set Aside52
  • SDVOSB27
  • Small Business Set Aside - Total25

Top Locations

  • VA56
  • CA25
  • DC17
  • FL16
  • WA16

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.

SAM.gov Registration →|Set-Aside Programs →

Related Industries

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CBP Detroit Sector Services

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561621
Posted Sep 21, 2026
No Set Aside

H-Fire System Monitoring

INTERIOR, DEPARTMENT OF THE
POINT REYES STATION, CA
NAICS 561621
Posted Sep 18, 2026

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

VETERANS AFFAIRS, DEPARTMENT OF
Greenwood Village, CO
NAICS 561621
Posted Sep 18, 2026
Due Oct 20, 2026

H-SALEM MARITIME NHP & SAUGUS IRON WORKS NHS - FIRE

INTERIOR, DEPARTMENT OF THE
BOSTON, MA
NAICS 561621
Posted Sep 18, 2026

Notice of Intent to Sole Source Award M.C. Dean

DEPT OF DEFENSE
NAICS 561621
Posted Sep 18, 2026
Due Oct 18, 2026
No Set Aside

J-IMT BOR-DO PACS SERVICE AGREEMENT AND RE

INTERIOR, DEPARTMENT OF THE
SALT LAKE CITY, UT
NAICS 561621
Posted Sep 18, 2026

7J-SUPPLY: WA-NISQUALL NWR COMPLX- FIRE DETC. & IDS

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Sep 17, 2026

J042-FIRE & LIFE SAFETY SYSTEM PM&R SERVICES HARRY S TRUMAN VA MEDICAL CENTER COLUMBIA, MISSOURI

VETERANS AFFAIRS, DEPARTMENT OF
LEAVENWORTH, KS
NAICS 561621
Posted Sep 16, 2026
Due Oct 16, 2026
SDVOSB

Award Notice, Rapiscan X-Ray Inspection Systems, Maintenance and Repair

DEPT OF DEFENSE
QUANTICO, VA
NAICS 561621
Posted Sep 15, 2026
No Set Aside

Replace Fire Alarms, Multi Facility

DEPT OF DEFENSE
COLUMBUS, MS
NAICS 561621
Posted Sep 15, 2026
Small Business Set Aside - Total

Industry Day Announcement: Global Unified Airbase Readiness and Defense (GUARD)

DEPT OF DEFENSE
HANSCOM AFB, MA
NAICS 561621
Posted Sep 15, 2026

7J-SUPPLY: KS-FWS GREAT PLAINS NATURE-VSS

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Sep 15, 2026

D-SUPPLy: KS-FWS GREAT PLAINS NATURE-IDS

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Sep 14, 2026

MEDECO INTELLIGENT KEY HIGH-SECURITY LOCK SYSTEM

VETERANS AFFAIRS, DEPARTMENT OF
MATHER, CA
NAICS 561621
Posted Sep 11, 2026
Due Oct 16, 2026
No Set Aside

D-SUPPLY: MA-REG 5 JOINT EXPENDITURES-PACS

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Sep 11, 2026

J-SAMA SAIR SECURITY ALARM SERVICE '26-'29

INTERIOR, DEPARTMENT OF THE
BOSTON, MA
NAICS 561621
Posted Sep 11, 2026

Repair/Replace Security Systems at Sector Key West

HOMELAND SECURITY, DEPARTMENT OF
MIAMI, FL
NAICS 561621
Posted Sep 11, 2026
Small Business Set Aside - Total

CCURE PACS Software Support Agreement (Smart Cards)

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
ATLANTA, GA
NAICS 561621
Posted Sep 11, 2026
No Set Aside

353 SOW ARMAGs INTRUSION DETECTION SYSTEM

DEPT OF DEFENSE
APO, AP
NAICS 561621
Posted Sep 11, 2026
No Set Aside

H-OR-FWS SHELDON NWR-FIRE ALARM & EXT INSP

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Sep 10, 2026
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