NAICS 561621in56162:Security Systems Services

Security Systems Services (except Locksmiths)

339 active contract opportunities

339

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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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J-NM SNARRC FIRE ALARM SYSTEM REPAIR

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Sep 9, 2026

N-Mobile Surveillance Security Systems

INTERIOR, DEPARTMENT OF THE
SACRAMENTO, CA
NAICS 561621
Posted Sep 9, 2026

N-Security System Installation

INTERIOR, DEPARTMENT OF THE
PORT ANGELES, WA
NAICS 561621
Posted Sep 8, 2026

Alarm Repair

DEPT OF DEFENSE
QUANTICO, VA
NAICS 561621
Posted Sep 8, 2026
No Set Aside

Amendment 0002 Lenel OnGuard Door Access Control System Upgrade

DEPT OF DEFENSE
FORT RILEY, KS
NAICS 561621
Posted Sep 4, 2026
Due Oct 15, 2026
Small Business Set Aside - Total

H-GLAC FIRE ALARM & SPRINKLER INSPECTIONS

INTERIOR, DEPARTMENT OF THE
Yellowstone National Park, WY
NAICS 561621
Posted Sep 2, 2026

QITC Fire/Security Systems

VETERANS AFFAIRS, DEPARTMENT OF
FREDERICK, MD
NAICS 561621
Posted Sep 1, 2026
SDVOSB

N063-Fire Alarm Panels Installation

VETERANS AFFAIRS, DEPARTMENT OF
Saint Paul, MN
NAICS 561621
Posted Aug 31, 2026
Small Business Set Aside - Total

Wrong Way Detection/Reverse Entry Alert System

DEPT OF DEFENSE
MOUNTAIN HOME AFB, ID
NAICS 561621
Posted Aug 31, 2026
Small Business Set Aside - Total

Security System Maintenance, Repair, and Replacement Services LRGV

INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO
El Paso, TX
NAICS 561621
Posted Aug 28, 2026
Small Business Set Aside - Total

T-WILDFIRE REMOTE DETECTION SYSTEM

INTERIOR, DEPARTMENT OF THE
BOISE, ID
NAICS 561621
Posted Aug 26, 2026

Security System Monitoring and Maintenance at Navarro Mills Lake in Purdon, Texas.

DEPT OF DEFENSE
FORT WORTH, TX
NAICS 561621
Posted Aug 24, 2026
Small Business Set Aside - Total

Primary Care Duress Buttons

VETERANS AFFAIRS, DEPARTMENT OF
DAYTON, OH
NAICS 561621
Posted Aug 20, 2026
SDVOSB

JUSTIFICATION FOR OTHER THAN FULL AND OPEN COMPETITION- TRUSTED SYSTEMS INC.

HOMELAND SECURITY, DEPARTMENT OF
SEATTLE, WA
NAICS 561621
Posted Aug 19, 2026

Security System Maintenance - Newark, NJ

HOMELAND SECURITY, DEPARTMENT OF
Irving, TX
NAICS 561621
Posted Aug 19, 2026
No Set Aside

950 SWG Access Control System Installation

DEPT OF DEFENSE
ROBINS AFB, GA
NAICS 561621
Posted Aug 19, 2026
Small Business Set Aside - Total

J063-Fire Alarm Service

VETERANS AFFAIRS, DEPARTMENT OF
ALBANY, NY
NAICS 561621
Posted Aug 18, 2026

J012-Fire Alarm Service Contract.

VETERANS AFFAIRS, DEPARTMENT OF
TOGUS, ME
NAICS 561621
Posted Aug 18, 2026

174 Fire Alarm Reporting System

DEPT OF DEFENSE
SYRACUSE, NY
NAICS 561621
Posted Aug 18, 2026
Small Business Set Aside - Total

**Cancelled** Closed Circuit TV (CCTV) purchase and install

DEPT OF DEFENSE
INDIANAPOLIS, IN
NAICS 561621
Posted Aug 18, 2026
Small Business Set Aside - Total
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