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...

Fairbanks Alaska CBOC Security Guard

VETERANS AFFAIRS, DEPARTMENT OF
VANCOUVER, WA
NAICS 561612
Posted Sep 23, 2026
Due Oct 8, 2026
SDVOSB

N-SLOAN CANYON NCA SECURITY CAMERA SYSTEM

INTERIOR, DEPARTMENT OF THE
RENO, NV
NAICS 561621
Posted Sep 23, 2026

7J-TN-TENNESSEE ESFO-SECURITY SYSTEM

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Sep 23, 2026

D-SUPPLY: CA-SF BAY NWR COMPLX-VIDEO SURVEILLANCE

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Sep 22, 2026

S-Klamath Falls Field Office CCTV Replacement, BLM L

INTERIOR, DEPARTMENT OF THE
PORTLAND, OR
NAICS 561621
Posted Sep 22, 2026

PKA-ID Badging System-6 LRS

DEPT OF DEFENSE
TAMPA, FL
NAICS 561621
Posted Sep 22, 2026
Small Business Set Aside - Total

N-SLOAN INTRUSION DETECTION SYSTEM

INTERIOR, DEPARTMENT OF THE
RENO, NV
NAICS 561621
Posted Sep 22, 2026

Corrective and Preventative Maintenance of Electronic Security Systems at the Ronald Reagan Building

HOMELAND SECURITY, DEPARTMENT OF
PHILADELPHIA, PA
NAICS 561621
Posted Sep 22, 2026
Due Oct 8, 2026
WOSB

Fingerprinting Services

DEPT OF DEFENSE
FALLS CHURCH, VA
NAICS 561611
Posted Sep 22, 2026
No Set Aside

Minneapolis VAHCS Fire Alarm Maintenance Award Notice

VETERANS AFFAIRS, DEPARTMENT OF
Saint Paul, MN
NAICS 561621
Posted Sep 21, 2026

Amendment 1 - ESS Alarms MX and Repair

DEPT OF DEFENSE
PETERSON SFB, CO
NAICS 561621
Posted Sep 21, 2026
Due Oct 2, 2026
Small Business Set Aside - Total

Fire Protection Services

DEPT OF DEFENSE
COLUMBUS, OH
NAICS 561621
Posted Sep 21, 2026

H-INDU FIRE SUPPRESSION SYSTEM INSPECTION SERVICE

INTERIOR, DEPARTMENT OF THE
Macedonia, OH
NAICS 561621
Posted Sep 21, 2026

Fort Bragg Access Control and CCTV Maintenance and Repair (Amendment 0002)

DEPT OF DEFENSE
FORT BRAGG, NC
NAICS 561621
Posted Sep 21, 2026
Small Business Set Aside - Total

CBP Detroit Sector Services

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561621
Posted Sep 21, 2026
No Set Aside

H-Fire System Monitoring

INTERIOR, DEPARTMENT OF THE
POINT REYES STATION, CA
NAICS 561621
Posted Sep 18, 2026

J012-Fire Alarm-Fire Suppression Services for the VA Salt Lake City, Utah Medical Center

VETERANS AFFAIRS, DEPARTMENT OF
Greenwood Village, CO
NAICS 561621
Posted Sep 18, 2026
Due Oct 20, 2026

Z-FL-ST. MARKS NWR-REKEYING

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561622
Posted Sep 18, 2026

Pre-Solicitation - U.S. Mission Lilongwe, Malawi

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Sep 18, 2026
Due Oct 8, 2026
No Set Aside

H-SALEM MARITIME NHP & SAUGUS IRON WORKS NHS - FIRE

INTERIOR, DEPARTMENT OF THE
BOSTON, MA
NAICS 561621
Posted Sep 18, 2026
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