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...

Sea-Based X-Band Radar (SBX-1) Security

DEPT OF DEFENSE
NORFOLK, VA
NAICS 561612
Posted Sep 18, 2026
Due Oct 2, 2026
8(a) Set-Aside

Notice of Intent to Sole Source Award M.C. Dean

DEPT OF DEFENSE
NAICS 561621
Posted Sep 18, 2026
Due Oct 18, 2026
No Set Aside

J-IMT BOR-DO PACS SERVICE AGREEMENT AND RE

INTERIOR, DEPARTMENT OF THE
SALT LAKE CITY, UT
NAICS 561621
Posted Sep 18, 2026

7J-SUPPLY: WA-NISQUALL NWR COMPLX- FIRE DETC. & IDS

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

Protective Security Officer (PSO) Services

HOMELAND SECURITY, DEPARTMENT OF
PHILADELPHIA, PA
NAICS 561612
Posted Sep 17, 2026

J042-FIRE & LIFE SAFETY SYSTEM PM&R SERVICES HARRY S TRUMAN VA MEDICAL CENTER COLUMBIA, MISSOURI

VETERANS AFFAIRS, DEPARTMENT OF
LEAVENWORTH, KS
NAICS 561621
Posted Sep 16, 2026
Due Oct 16, 2026
SDVOSB

Award Notice, Rapiscan X-Ray Inspection Systems, Maintenance and Repair

DEPT OF DEFENSE
QUANTICO, VA
NAICS 561621
Posted Sep 15, 2026
No Set Aside

Replace Fire Alarms, Multi Facility

DEPT OF DEFENSE
COLUMBUS, MS
NAICS 561621
Posted Sep 15, 2026
Small Business Set Aside - Total

Guard Hours Increase

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Sep 15, 2026

Industry Day Announcement: Global Unified Airbase Readiness and Defense (GUARD)

DEPT OF DEFENSE
HANSCOM AFB, MA
NAICS 561621
Posted Sep 15, 2026

7J-SUPPLY: KS-FWS GREAT PLAINS NATURE-VSS

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Sep 15, 2026

Sources Sought - U.S. Mission Maseru, Lesotho

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Sep 14, 2026
Due Oct 2, 2026

WJHTC Armed Security Guard Services

TRANSPORTATION, DEPARTMENT OF
ATLANTIC CITY, NJ
NAICS 561612
Posted Sep 14, 2026
Due Oct 29, 2026
8(a) Set-Aside

D-SUPPLy: KS-FWS GREAT PLAINS NATURE-IDS

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Sep 14, 2026

MEDECO INTELLIGENT KEY HIGH-SECURITY LOCK SYSTEM

VETERANS AFFAIRS, DEPARTMENT OF
MATHER, CA
NAICS 561621
Posted Sep 11, 2026
Due Oct 16, 2026
No Set Aside

D-SUPPLY: MA-REG 5 JOINT EXPENDITURES-PACS

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Sep 11, 2026

J-SAMA SAIR SECURITY ALARM SERVICE '26-'29

INTERIOR, DEPARTMENT OF THE
BOSTON, MA
NAICS 561621
Posted Sep 11, 2026

Repair/Replace Security Systems at Sector Key West

HOMELAND SECURITY, DEPARTMENT OF
MIAMI, FL
NAICS 561621
Posted Sep 11, 2026
Small Business Set Aside - Total

CCURE PACS Software Support Agreement (Smart Cards)

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
ATLANTA, GA
NAICS 561621
Posted Sep 11, 2026
No Set Aside

353 SOW ARMAGs INTRUSION DETECTION SYSTEM

DEPT OF DEFENSE
APO, AP
NAICS 561621
Posted Sep 11, 2026
No Set Aside
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