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...

7J-SUPPLY: ND LONG LAKE NWR VSS

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Sep 16, 2025

7J-SUPPLY: AK-OFFICE OF RD-RO SECURITY SYSTEM

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Sep 16, 2025

CCTV Replacement

DEPT OF DEFENSE
FORT CARSON, CO
NAICS 561621
Posted Sep 16, 2025

Remote X-ray Image Analysis System

DEPT OF DEFENSE
WASHINGTON, DC
NAICS 561621
Posted Sep 16, 2025
No Set Aside

Fire Door Inspection Services

DEPT OF DEFENSE
ROBINS AFB, GA
NAICS 561621
Posted Sep 15, 2025
No Set Aside

N-RED ROCK NCA PACS UPGRADE FY25

INTERIOR, DEPARTMENT OF THE
RENO, NV
NAICS 561621
Posted Sep 15, 2025

Field, Background-Investigative Services (Multiple Award)

JUSTICE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561611
Posted Sep 12, 2025
Due Jun 15, 2030
Small Business

J063, Panic and Intrusion Alarm Replacement and Monitoring, Various Clinics - Portland Veterans Affairs Healthcare System, Dept of Veterans Affairs

VETERANS AFFAIRS, DEPARTMENT OF
VANCOUVER, WA
NAICS 561621
Posted Sep 12, 2025
Due Sep 27, 2026

Dorm Camera Replacement Port Hueneme, CA

DEPT OF DEFENSE
JBSA LACKLAND, TX
NAICS 561621
Posted Sep 12, 2025
Small Business

S-Unarmed Security Guard Services, SAFR

INTERIOR, DEPARTMENT OF THE
SAN FRANCISCO, CA
NAICS 561612
Posted Sep 12, 2025

Building 1077 Security System Upgrades

DEPT OF DEFENSE
ARNOLD AFB, TN
NAICS 561621
Posted Sep 11, 2025
No Set Aside

SOTO CANO D-21 WINDOWS 11 UPGRADE TO FIRE ALARM SYSTEM

DEPT OF DEFENSE
APO, AA
NAICS 561621
Posted Sep 10, 2025
No Set Aside

Facility Wide Lynx Duress Notification System Upgrade and Expansion Services, Michael E DeBakey VA Medical Center, Police Services, 2002 Holcombe Boulevard, Houston, TX 77030-4211

VETERANS AFFAIRS, DEPARTMENT OF
RIDGELAND, MS
NAICS 561621
Posted Sep 10, 2025
Small Business

DTRA LENEL MAINTENANCE SERVICES

DEPT OF DEFENSE
KIRTLAND AFB, NM
NAICS 561621
Posted Sep 8, 2025
WOSB

Electronic Security System (ESS) for FLETC Warehouse

DEPT OF DEFENSE
QUANTICO, VA
NAICS 561621
Posted Sep 8, 2025
Small Business

B550/555 Fire Alarm Detector Replacement

DEPT OF DEFENSE
COLUMBUS, MS
NAICS 561621
Posted Sep 8, 2025
Small Business

Monaco Upgrade

DEPT OF DEFENSE
SIOUX FALLS, SD
NAICS 561621
Posted Sep 6, 2025
No Set Aside

J-OPTION - HLG Staging Repair Control Panel Switchboard

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561621
Posted Sep 5, 2025

W912PP25PA022 Electronic Security Upgrades at Conchas Lake Dam

DEPT OF DEFENSE
ALBUQUERQUE, NM
NAICS 561621
Posted Sep 5, 2025
8(a) Sole Source

Explosive Detection Canine Team (EDCT) Services in Manhattan, New York

HOMELAND SECURITY, DEPARTMENT OF
PHILADELPHIA, PA
NAICS 561612
Posted Sep 5, 2025
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