NAICS 561621in56162:Security Systems Services

Security Systems Services (except Locksmiths)

275 active contract opportunities

275

Active Opportunities

252

Posted Last 7 Days

30 days

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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.

SAM.gov Registration →|Set-Aside Programs →

Related Industries

561110:Office Administrative Services561210:Facilities Support Services561311:Employment Placement Agencies561312:Executive Search Services561320:Temporary Help Services561330:Professional Employer Organiza...

Intrusion Detection System Upgrade Germany

DEPT OF DEFENSE
FORT HUACHUCA, AZ
NAICS 561621
Posted Sep 30, 2025

Electronic Security System for STAAT LANT

DEPT OF DEFENSE
QUANTICO, VA
NAICS 561621
Posted Sep 30, 2025
No Set Aside

Vindicator Maintenance and Service

DEPT OF DEFENSE
SCOTT AFB, IL
NAICS 561621
Posted Sep 30, 2025

Intrusion Detection Systems Panels and Installation

DEPT OF DEFENSE
JACKSONVILLE, FL
NAICS 561621
Posted Sep 29, 2025
No Set Aside

Electric Security System Maintenance

DEPT OF DEFENSE
JACKSONVILLE, FL
NAICS 561621
Posted Sep 29, 2025
8(a) Competed

Replace Fire Alarm System at Coast Guard Station Crisfield, Md.

HOMELAND SECURITY, DEPARTMENT OF
NORFOLK, VA
NAICS 561621
Posted Sep 26, 2025
Small Business

J-Petersburg National Battlefield (PETE) - Urgent Fi

INTERIOR, DEPARTMENT OF THE
PHILADELPHIA, PA
NAICS 561621
Posted Sep 26, 2025

STA HATTERAS INLET ACCESS CONTROLS

HOMELAND SECURITY, DEPARTMENT OF
NORFOLK, VA
NAICS 561621
Posted Sep 26, 2025
Small Business

N-FWS HOLLA BEND NWR - FIRE & SECURITY SYSTEMS

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Sep 25, 2025

Security & Fire Alarm Monitoring for VA Northern California Health Care System

VETERANS AFFAIRS, DEPARTMENT OF
MATHER, CA
NAICS 561621
Posted Sep 25, 2025

Dorm Camera Replacement

DEPT OF DEFENSE
MOUNTAIN HOME AFB, ID
NAICS 561621
Posted Sep 25, 2025
Small Business

N-Automated Key Management Boxes

INTERIOR, DEPARTMENT OF THE
HERNDON, VA
NAICS 561621
Posted Sep 24, 2025

N-NVSO INTRUSION DETECTION SYSTEM UPGRADE/MONITORING

INTERIOR, DEPARTMENT OF THE
RENO, NV
NAICS 561621
Posted Sep 24, 2025

N-NEBE COMPLEX FIRE SUPPRESSION UPGRADES

INTERIOR, DEPARTMENT OF THE
BOSTON, MA
NAICS 561621
Posted Sep 24, 2025

Fire and Carbon Monoxide Alarm and Notification System

AGRICULTURE, DEPARTMENT OF
Portland, OR
NAICS 561621
Posted Sep 24, 2025
Small Business

J063-CCTV Monitoring - Maintenance Service

VETERANS AFFAIRS, DEPARTMENT OF
AUGUSTA, GA
NAICS 561621
Posted Sep 23, 2025
SDVOSB

Sole Source Award: D3 Mobile Camera Cart Lease

DEPT OF DEFENSE
HILL AFB, UT
NAICS 561621
Posted Sep 23, 2025
No Set Aside

J063-Facility Security Upgrades

VETERANS AFFAIRS, DEPARTMENT OF
MILWAUKEE, WI
NAICS 561621
Posted Sep 23, 2025

Patient Security System

DEPT OF DEFENSE
FREDERICK, MD
NAICS 561621
Posted Sep 23, 2025
Small Business

J-REDW - FIRE SYSTEMS REPAIRS 2025

INTERIOR, DEPARTMENT OF THE
POINT REYES STATION, CA
NAICS 561621
Posted Sep 22, 2025
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