NAICS 5616in561:Administrative and Support Services

Investigation and Security Services

423 active contract opportunities

423

Active Opportunities

21

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Security Systems Services (except Locksmiths)212
  • Security Guards and Patrol Services176
  • Investigation and Personal Background Check Services18
  • Security Systems Services8
  • Locksmiths6

Set-Aside Distribution

  • 230
  • Small Business98
  • No Set Aside49
  • SDVOSB22
  • SDVOSB Sole Source8

Top Locations

  • PA73
  • DC45
  • VA45
  • MD20
  • CA17

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...

N063-PIV Reader Install - GI

VETERANS AFFAIRS, DEPARTMENT OF
Saint Paul, MN
NAICS 561621
Posted Feb 16, 2026
Due Feb 20, 2026
3 days left

N063-PIV Reader Install - STC

VETERANS AFFAIRS, DEPARTMENT OF
Saint Paul, MN
NAICS 561621
Posted Feb 14, 2026
Due Feb 20, 2026
3 days left

R-MADISON COUNTY SHERIFF LEO SERVICE

INTERIOR, DEPARTMENT OF THE
BOISE, ID
NAICS 561612
Posted Feb 13, 2026

R-JEFFERSON COUNTY SHERIFF LEO SERVICE

INTERIOR, DEPARTMENT OF THE
BOISE, ID
NAICS 561612
Posted Feb 13, 2026

R-FRANKLIN COUNTY SHERIFF LEO SERVICE

INTERIOR, DEPARTMENT OF THE
BOISE, ID
NAICS 561612
Posted Feb 13, 2026

Request for Information: Case Processing Operations Center 2.0

DEPT OF DEFENSE
QUANTICO, VA
NAICS 561611
Posted Feb 13, 2026
Due Feb 27, 2026
Small Business
10 days left

R-CLARK COUNTY SHERIFF LEO SERVICE

INTERIOR, DEPARTMENT OF THE
BOISE, ID
NAICS 561612
Posted Feb 13, 2026

R-CARIBOU COUNTY SHERIFF LEO SERVICE

INTERIOR, DEPARTMENT OF THE
BOISE, ID
NAICS 561612
Posted Feb 13, 2026

DRAFT RFP W912PF26RA001: USAG - Italy Security Guards

DEPT OF DEFENSE
APO, AE
NAICS 561612
Posted Feb 13, 2026
Due Mar 2, 2026
13 days left

Electronic Security System (ESS) Upgrade

GENERAL SERVICES ADMINISTRATION
Washington, DC
NAICS 561621
Posted Feb 12, 2026
Due Mar 6, 2026
No Set Aside
17 days left

Dover AFB - JPED Security Systems and Maintenance

DEPT OF DEFENSE
DOVER AFB, DE
NAICS 561621
Posted Feb 12, 2026
Due Feb 20, 2026
Small Business
3 days left

R602-36C25926Q0216| Armored Car Service

VETERANS AFFAIRS, DEPARTMENT OF
Greenwood Village, CO
NAICS 561613
Posted Feb 12, 2026
Due Feb 20, 2026
Small Business
3 days left

Notice of Sole Source Award for Monaco Fire Alarm Radio Frequency Survey

DEPT OF DEFENSE
ELLSWORTH AFB, SD
NAICS 561621
Posted Feb 12, 2026

Fire Alarm System Testing & Inspection- Elgin, IL TRACON

TRANSPORTATION, DEPARTMENT OF
FORT WORTH, TX
NAICS 561621
Posted Feb 12, 2026
Due Mar 12, 2026
Small Business
23 days left

R-POWER COUNTY SHERIFF LEO SERVICE

INTERIOR, DEPARTMENT OF THE
BOISE, ID
NAICS 561612
Posted Feb 12, 2026

H242- Police Bunker Paging Panel - 537 - POP 60 DAYS ONE TIME BUY

VETERANS AFFAIRS, DEPARTMENT OF
MILWAUKEE, WI
NAICS 561621
Posted Feb 12, 2026
Due Feb 18, 2026
1 day left

Notice of Intent to Sole Source

DEPT OF DEFENSE
BARKSDALE AFB, LA
NAICS 561621
Posted Feb 11, 2026
Due Feb 26, 2026
Small Business
9 days left

Replace Fire Alarms, B99, B155, B214, B348, B916, B998

DEPT OF DEFENSE
COLUMBUS, MS
NAICS 561621
Posted Feb 11, 2026
Due Feb 26, 2026
Small Business
9 days left

R-TWIN FALLS COUNTY SHERIFF SERVICE

INTERIOR, DEPARTMENT OF THE
BOISE, ID
NAICS 561612
Posted Feb 11, 2026

ADMINISTRATIVE INVESTIGATION SERVICES

JUSTICE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561611
Posted Feb 11, 2026
Due Mar 4, 2026
15 days left
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