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...

36C78626Q50154 - S206

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 561612
Posted Aug 26, 2026
SDVOSB

Notice of Award for Supplier Information Request (SIR) 693KA8-26-R-00003: Central Service Area Contract Armed Security Officer Services

TRANSPORTATION, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Aug 26, 2026
No Set Aside

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

Award Notice for Case Processing Operations Center 2.0

DEPT OF DEFENSE
QUANTICO, VA
NAICS 561611
Posted Aug 20, 2026
Small Business Set Aside - Total

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

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

R-Award of PERSEC ID

INTERIOR, DEPARTMENT OF THE
HERNDON, VA
NAICS 561611
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

Personnel Security Support Services

JUSTICE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561611
Posted Aug 18, 2026

H-HD K9 Services (Base + 2OY)

INTERIOR, DEPARTMENT OF THE
BOULDER CITY, NV
NAICS 561612
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

S-Douglas County Law Enforcement Services, Roseburg District BLM, Oregon

INTERIOR, DEPARTMENT OF THE
PORTLAND, OR
NAICS 561612
Posted Aug 17, 2026

D-SUPPLY: PA-JOHN HEINZ NWR-REPLACEMENT OF IDS

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

SSA HQ, NSC, WBDOC, SSC/RTP Guards Contract

SOCIAL SECURITY ADMINISTRATION
BALTIMORE, MD
NAICS 561612
Posted Aug 17, 2026
No Set Aside

U.S. Customs and Border Protection Tracing and Payment Recovery Services (TPRS)

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561611
Posted Aug 17, 2026
No Set Aside

U.S. Customs and Border Protection Tracing and Payment Recovery Services (TPRS)

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561611
Posted Aug 17, 2026
No Set Aside
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