NAICS 56161in5616:Investigation and Security Services

Investigation, Guard, and Armored Car Services

236 active contract opportunities

236

Active Opportunities

220

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Security Guards and Patrol Services213
  • Investigation and Personal Background Check Services19
  • Armored Car Services4

Set-Aside Distribution

  • 142
  • No Set Aside32
  • Small Business32
  • SDVOSB16
  • SDVOSB Sole Source7

Top Locations

  • PA71
  • DC42
  • VA18
  • ID16
  • MD11

About NAICS56161

The North American Industry Classification System (NAICS) code 56161 covers investigation, guard, and armored car 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

56111:Office Administrative Services56121:Facilities Support Services56131:Employment Placement Agencies ...56132:Temporary Help Services56133:Professional Employer Organiza...56141:Document Preparation Services

Multi - AOR Armed Guard Transportation Services

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Jul 27, 2026
Due Aug 4, 2026
No Set Aside

TRANSPORTATION_SUPPORT_FOR_TEXAS

HOMELAND SECURITY, DEPARTMENT OF
Washington, DC
NAICS 561612
Posted Jul 27, 2026
Due Aug 10, 2026
No Set Aside

Protective Security Officer Services

HOMELAND SECURITY, DEPARTMENT OF
PHILADELPHIA, PA
NAICS 561612
Posted Jul 27, 2026

36C78626Q50098 - S206

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 561612
Posted Jul 24, 2026
SDVOSB

MCIA Access Control Support

DEPT OF DEFENSE
QUANTICO, VA
NAICS 561612
Posted Jul 24, 2026
SDVOSB

V127-RFQ- Armored Courier Service - COMBINED SYNOPSIS

VETERANS AFFAIRS, DEPARTMENT OF
ALBANY, NY
NAICS 561613
Posted Jul 23, 2026
Due Aug 7, 2026
Small Business

LeadsOnline Database Services

DEPT OF DEFENSE
CAMP LEJEUNE, NC
NAICS 561611
Posted Jul 23, 2026
No Set Aside

Camp East Montana

HOMELAND SECURITY, DEPARTMENT OF
Washington, DC
NAICS 561612
Posted Jul 22, 2026

Notice of Intent to Sole Source Overseas Guard Services, Port Vila, Vanuatu

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Jul 21, 2026
Due Aug 5, 2026

US Mission Fiji Local Guard Services

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Jul 21, 2026
Due Aug 11, 2026
No Set Aside

R611-Louisville Web Based Credit Monitoring

VETERANS AFFAIRS, DEPARTMENT OF
WASHINGTON, DC
NAICS 561611
Posted Jul 21, 2026
Due Aug 5, 2026

36C78626Q50131 - S206

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 561612
Posted Jul 20, 2026
SDVOSB

Contract Security Officer (CSO) (Armed/Unarmed) Support Services

DEPT OF DEFENSE
WASHINGTON, DC
NAICS 561612
Posted Jul 20, 2026
Due Aug 13, 2026
SDVOSB

US Mission Singapore Local Guard Services

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Jul 13, 2026
Due Aug 18, 2026

Misawa Information Monitoring and Protection Services (IMPS) IDIQ Award Notice

DEPT OF DEFENSE
APO, AP
NAICS 561612
Posted Jul 10, 2026
No Set Aside

36C78626Q50073 - S206

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 561612
Posted Jul 9, 2026
SDVOSB

US Mission Freetown

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Jul 8, 2026
No Set Aside

JOFOC for Personnel Security Support Services Bridge Contract

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

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
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