NAICS 5616in561:Administrative and Support Services

Investigation and Security Services

524 active contract opportunities

524

Active Opportunities

483

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Security Systems Services (except Locksmiths)275
  • Security Guards and Patrol Services213
  • Investigation and Personal Background Check Services19
  • Locksmiths8
  • Security Systems Services5

Set-Aside Distribution

  • 268
  • Small Business124
  • No Set Aside68
  • SDVOSB37
  • SDVOSB Sole Source8

Top Locations

  • PA81
  • DC66
  • VA59
  • CA24
  • MD22

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...

Closed Circuit Television (CCTV) Installation

DEPT OF DEFENSE
SCOTT AFB, IL
NAICS 561621
Posted Jul 22, 2026
Due Aug 5, 2026
Small Business

(102) Vindicator Maintenance

DEPT OF DEFENSE
OTIS ANGB, MA
NAICS 561621
Posted Jul 22, 2026
Due Aug 24, 2026
Small Business

Camp East Montana

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

AVB Barrier Assessment

DEPT OF DEFENSE
HOUSTON, TX
NAICS 561621
Posted Jul 22, 2026
Due Aug 5, 2026
Small Business

Security Monitoring Systems (SMS) Install

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

Offutt AFB Intrusion Detection System Services

DEPT OF DEFENSE
OFFUTT AFB, NE
NAICS 561621
Posted Jul 21, 2026
Due Aug 7, 2026
Small Business

INL Guatemala Border Security CCTV

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561621
Posted Jul 21, 2026
Due Aug 4, 2026
Small Business

IMCOM ICIDS Maintenance and Services

DEPT OF DEFENSE
COLUMBIA, SC
NAICS 561621
Posted Jul 21, 2026
Due Aug 3, 2026
Small Business

Notice of Intent to Sole Source Overseas Guard Services, Port Vila, Vanuatu

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Jul 21, 2026
Due Aug 5, 2026

J-Kastle Security System Monitoring and Maintenance

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

IDS Inspection Services - Fort Devens, MA

DEPT OF DEFENSE
PICATINNY ARSENAL, NJ
NAICS 561621
Posted Jul 21, 2026
Due Aug 6, 2026
SDVOSB

US Mission Fiji Local Guard Services

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Jul 21, 2026
Due Aug 11, 2026
No Set Aside

R611-Louisville Web Based Credit Monitoring

VETERANS AFFAIRS, DEPARTMENT OF
WASHINGTON, DC
NAICS 561611
Posted Jul 21, 2026
Due Aug 5, 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

Wrong Way Sensor Replacement

DEPT OF DEFENSE
SHAW AFB, SC
NAICS 561621
Posted Jul 20, 2026
Due Aug 18, 2026
Small Business

Electronic Security System (ESS) Preventative Maintenance

DEPT OF DEFENSE
NORFOLK, VA
NAICS 561621
Posted Jul 20, 2026
Due Aug 3, 2026
Small Business

Contract Security Officer (CSO) (Armed/Unarmed) Support Services

DEPT OF DEFENSE
WASHINGTON, DC
NAICS 561612
Posted Jul 20, 2026
Due Aug 13, 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
Back to contract directory
Gov Contract Finder Logo
© Copyright 2026 Gov Contract Finder.