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...

R430-Armed Guard Services

VETERANS AFFAIRS, DEPARTMENT OF
LINTHICUM, MD
NAICS 561612
Posted Sep 29, 2025
SDVOSB

Electric Security System Maintenance

DEPT OF DEFENSE
JACKSONVILLE, FL
NAICS 561621
Posted Sep 29, 2025
8(a) Competed

Construction Site Security and Monitoring Services

DEPT OF DEFENSE
FPO, AP
NAICS 561612
Posted Sep 28, 2025
SDVOSB

Replace Fire Alarm System at Coast Guard Station Crisfield, Md.

HOMELAND SECURITY, DEPARTMENT OF
NORFOLK, VA
NAICS 561621
Posted Sep 26, 2025
Small Business

J-Petersburg National Battlefield (PETE) - Urgent Fi

INTERIOR, DEPARTMENT OF THE
PHILADELPHIA, PA
NAICS 561621
Posted Sep 26, 2025

STA HATTERAS INLET ACCESS CONTROLS

HOMELAND SECURITY, DEPARTMENT OF
NORFOLK, VA
NAICS 561621
Posted Sep 26, 2025
Small Business

R- EMERY COUNTY LAW ENFORCEMENT SERVICES JOFOC

INTERIOR, DEPARTMENT OF THE
SALT LAKE CITY, UT
NAICS 561612
Posted Sep 25, 2025

N-FWS HOLLA BEND NWR - FIRE & SECURITY SYSTEMS

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Sep 25, 2025

Security & Fire Alarm Monitoring for VA Northern California Health Care System

VETERANS AFFAIRS, DEPARTMENT OF
MATHER, CA
NAICS 561621
Posted Sep 25, 2025

Dorm Camera Replacement

DEPT OF DEFENSE
MOUNTAIN HOME AFB, ID
NAICS 561621
Posted Sep 25, 2025
Small Business

U.S. Mission to Port Moresby_Overseas Guard Services

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Sep 25, 2025

R-GINV-IAA/DCSA-CV

ENERGY, DEPARTMENT OF
IDAHO FALLS, ID
NAICS 561611
Posted Sep 24, 2025

N-Automated Key Management Boxes

INTERIOR, DEPARTMENT OF THE
HERNDON, VA
NAICS 561621
Posted Sep 24, 2025

Keyway Replacement, Cochiti Dam, New Mexico

DEPT OF DEFENSE
ALBUQUERQUE, NM
NAICS 561622
Posted Sep 24, 2025
8(a) Sole Source

N-NVSO INTRUSION DETECTION SYSTEM UPGRADE/MONITORING

INTERIOR, DEPARTMENT OF THE
RENO, NV
NAICS 561621
Posted Sep 24, 2025

N-NEBE COMPLEX FIRE SUPPRESSION UPGRADES

INTERIOR, DEPARTMENT OF THE
BOSTON, MA
NAICS 561621
Posted Sep 24, 2025

Fire and Carbon Monoxide Alarm and Notification System

AGRICULTURE, DEPARTMENT OF
Portland, OR
NAICS 561621
Posted Sep 24, 2025
Small Business

Contract for protective security services at Social Security Administration (SS

SOCIAL SECURITY ADMINISTRATION
BALTIMORE, MD
NAICS 561612
Posted Sep 24, 2025

S-LICENSED UNARMED GUARD SERVICES ARE REQUIRED AT THE TULSA HEADQUARTERS LOCATED AT 6655 S. LEWIS AVE., TULSA, OK. 74136. PERIOD OF PERFORMANCE: ONE YEAR BEGINNING NOVEMBER 1, 2025, PLUS 4 OPTION YEARS

ENERGY, DEPARTMENT OF
TULSA, OK
NAICS 561612
Posted Sep 23, 2025

J063-CCTV Monitoring - Maintenance Service

VETERANS AFFAIRS, DEPARTMENT OF
AUGUSTA, GA
NAICS 561621
Posted Sep 23, 2025
SDVOSB
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