NAICS 5616in561:Administrative and Support Services

Investigation and Security Services

625 active contract opportunities

625

Active Opportunities

559

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Security Systems Services (except Locksmiths)339
  • Security Guards and Patrol Services237
  • Investigation and Personal Background Check Services28
  • Locksmiths12
  • Security Systems Services6

Set-Aside Distribution

  • 309
  • Small Business105
  • No Set Aside100
  • SDVOSB48
  • Small Business Set Aside - Total30

Top Locations

  • PA85
  • VA85
  • DC74
  • CA33
  • MD28

About NAICS5616

The North American Industry Classification System (NAICS) code 5616 covers investigation and security services. 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

5611:Office Administrative Services5612:Facilities Support Services5613:Employment Services5614:Business Support Services5615:Travel Arrangement and Reserva...5617:Services to Buildings and Dwel...

MCIA Access Control Support

DEPT OF DEFENSE
QUANTICO, VA
NAICS 561612
Posted Jul 24, 2026
SDVOSB

LeadsOnline Database Services

DEPT OF DEFENSE
CAMP LEJEUNE, NC
NAICS 561611
Posted Jul 23, 2026
No Set Aside

Installation Motorized Electric Latch Retraction Atrium Door

DEPT OF DEFENSE
CAMP PENDLETON, CA
NAICS 561621
Posted Jul 23, 2026
No Set Aside

Camp East Montana

HOMELAND SECURITY, DEPARTMENT OF
Washington, DC
NAICS 561612
Posted Jul 22, 2026

Security Monitoring Systems (SMS) Install

DEPT OF DEFENSE
KINGS BAY, GA
NAICS 561621
Posted Jul 22, 2026

J-Kastle Security System Monitoring and Maintenance

INTERIOR, DEPARTMENT OF THE
HERNDON, VA
NAICS 561621
Posted Jul 21, 2026

Base Alarm Services - Los Angeles Air Force Base

DEPT OF DEFENSE
EL SEGUNDO, CA
NAICS 561621
Posted Jul 20, 2026
Small Business

36C78626Q50131 - S206

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 561612
Posted Jul 20, 2026
SDVOSB

MKARNS Fire and Gas Detection System Upgrade

DEPT OF DEFENSE
LITTLE ROCK, AR
NAICS 561621
Posted Jul 17, 2026
No Set Aside

CAC ESS Execution Plan

DEPT OF DEFENSE
FORT LEAVENWORTH, KS
NAICS 561621
Posted Jul 17, 2026
Small Business

Garrison ESS Execution Plan

DEPT OF DEFENSE
FORT LEAVENWORTH, KS
NAICS 561621
Posted Jul 17, 2026
Small Business

J063-LYNX PANIC ALARM SERVICE AGREEMENT

VETERANS AFFAIRS, DEPARTMENT OF
HAMPTON, VA
NAICS 561621
Posted Jul 16, 2026
Small Business

58-MT-YT/CF SECURITY FACILITY REKEY PROJECT

INTERIOR, DEPARTMENT OF THE
BILLINGS, MT
NAICS 561622
Posted Jul 14, 2026

H-SLBE - Alarm Monitoring and Annual Inspections

INTERIOR, DEPARTMENT OF THE
OMAHA, NE
NAICS 561621
Posted Jul 14, 2026

J063-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
SDVOSB

Misawa Information Monitoring and Protection Services (IMPS) IDIQ Award Notice

DEPT OF DEFENSE
APO, AP
NAICS 561612
Posted Jul 10, 2026
No Set Aside

36C78626Q50073 - S206

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 561612
Posted Jul 9, 2026
SDVOSB

Johnson Controls Fire Alarm Maintenance

VETERANS AFFAIRS, DEPARTMENT OF
PITTSBURGH, PA
NAICS 561621
Posted Jul 9, 2026
No Set Aside

Electronic Security System (ESS) Maint & SVC - W91QF4-26-D-A005

DEPT OF DEFENSE
FORT LEAVENWORTH, KS
NAICS 561621
Posted Jul 8, 2026
Small Business
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