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...

Dormakaba Locks

DEPT OF DEFENSE
FPO, AE
NAICS 561622
Posted Jul 7, 2026

6350- Intent to Sole Source Operating Room Access Controls

VETERANS AFFAIRS, DEPARTMENT OF
MURFREESBORO, TN
NAICS 561621
Posted Jul 6, 2026

Integrated Security Services Contract 5

DEPT OF DEFENSE
WASHINGTON, DC
NAICS 561621
Posted Jul 6, 2026
Due Aug 3, 2026

Fire Protection Systems Inspection, Testing, Maintenance, Repair & Impairment Coordinator (FPS-ITMR & IC) Services

COMMERCE, DEPARTMENT OF
GAITHERSBURG, MD
NAICS 561621
Posted Jul 2, 2026
No Set Aside

N-SLOAN NCA PACS SYSTEM INSTALLATION

INTERIOR, DEPARTMENT OF THE
RENO, NV
NAICS 561621
Posted Jul 1, 2026

OPM Integrated Security Maintenance Systems Maintenance & Repair

OFFICE OF PERSONNEL MANAGEMENT
WASHINGTON, DC
NAICS 561621
Posted Jul 1, 2026
No Set Aside

JOFOC for Personnel Security Support Services Bridge Contract

DEPT OF DEFENSE
QUANTICO, VA
NAICS 561611
Posted Jul 1, 2026

RFID DOOR LOCKS

DEPT OF DEFENSE
BREMERTON, WA
NAICS 561621
Posted Jun 30, 2026
Small Business

Corpus Christi Fire Alarm Replacement Project

GENERAL SERVICES ADMINISTRATION
Washington, DC
NAICS 561621
Posted Jun 29, 2026
Small Business

R430-URGENT Bridge Unarmed Security Contract for 6 Months

VETERANS AFFAIRS, DEPARTMENT OF
RIDGELAND, MS
NAICS 561612
Posted Jun 29, 2026

S-Folsom South Canal Security

INTERIOR, DEPARTMENT OF THE
SACRAMENTO, CA
NAICS 561612
Posted Jun 26, 2026

Prospect Harbor Space Force Station (PHSFS) Base Operations Support (BOS) Services, Prospect Harbor, Maine.

DEPT OF DEFENSE
SCHRIEVER SFB, CO
NAICS 561612
Posted Jun 26, 2026
Small Business

Overseas Guard Services U.S. Mission Abuja, Lagos/ Nigeria

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Jun 26, 2026
No Set Aside

Purchase and Installation of Security System and Monitoring Services

HOMELAND SECURITY, DEPARTMENT OF
Elizabeth City, NC
NAICS 561621
Posted Jun 25, 2026
Small Business

Canine Explosive Support Services

TREASURY, DEPARTMENT OF THE
WASHINGTON, DC
NAICS 561612
Posted Jun 24, 2026
Small Business

R-WMD SECURITY SYSTEMS URGENT REPAIR

INTERIOR, DEPARTMENT OF THE
BILLINGS, MT
NAICS 561621
Posted Jun 24, 2026

Protective Security Officer (PSO) services at the Redstone Arsenal in Huntsville, AL

HOMELAND SECURITY, DEPARTMENT OF
PHILADELPHIA, PA
NAICS 561612
Posted Jun 23, 2026
8(a) Competed

Fire Panel Maintenance and Service for Sector Delaware Bay AOR

HOMELAND SECURITY, DEPARTMENT OF
CAPE MAY, NJ
NAICS 561621
Posted Jun 23, 2026
Small Business

N063-C-CURE 9000 Physical Access Control System

VETERANS AFFAIRS, DEPARTMENT OF
TAMPA, FL
NAICS 561621
Posted Jun 18, 2026
SDVOSB

Lower Granite Dam Increased Law Enforcement Patrols

DEPT OF DEFENSE
WALLA WALLA, WA
NAICS 561612
Posted Jun 16, 2026
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