NAICS 56161in5616:Investigation and Security Services

Investigation, Guard, and Armored Car Services

268 active contract opportunities

268

Active Opportunities

242

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Security Guards and Patrol Services237
  • Investigation and Personal Background Check Services28
  • Armored Car Services3

Set-Aside Distribution

  • 149
  • No Set Aside44
  • Small Business31
  • SDVOSB21
  • SDVOSB Sole Source7

Top Locations

  • PA74
  • DC51
  • VA26
  • ID16
  • MD12

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

U.S. Mission Italy

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Sep 30, 2026

USPS EEO Final Agency Decision Services - September 2026 Solicitation

POSTAL SERVICE
PHILADELPHIA, PA
NAICS 561611
Posted Sep 30, 2026
Due Oct 30, 2026
No Set Aside

Ground Transportation & Facility Guard Services Arizona and California

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Sep 30, 2026
Due Oct 2, 2026
No Set Aside

AMENDMENT 0002 36C25227Q0011_1 UNARMED SECURITY SERVICES JESSE BROWN VAMC AND CBOCS

VETERANS AFFAIRS, DEPARTMENT OF
MILWAUKEE, WI
NAICS 561612
Posted Sep 29, 2026
Due Oct 6, 2026
SDVOSB

Domestic Guard Services

STATE, DEPARTMENT OF
ARLINGTON, VA
NAICS 561612
Posted Sep 29, 2026
Due Oct 9, 2026
No Set Aside

Construction Site Security Monitoring for AFSOC Hotel, Yokota Air Base, Japan

DEPT OF DEFENSE
APO, AP
NAICS 561612
Posted Sep 27, 2026
Due Oct 16, 2026

R430-Fire Guard Services for SAVAHCS POP: 09/01/2026 - 08/31/2029

VETERANS AFFAIRS, DEPARTMENT OF
Gilbert, AZ
NAICS 561612
Posted Sep 25, 2026
SDVOSB

AMENDMENT 0001 - UNARMED SECURITY SERVICES JESSE BROWN VAMC AND CBOCS

VETERANS AFFAIRS, DEPARTMENT OF
MILWAUKEE, WI
NAICS 561612
Posted Sep 25, 2026
Due Oct 2, 2026
SDVOSB

Sources Sought - U.S. Mission South Africa IDIQ

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Sep 25, 2026
Due Oct 16, 2026
No Set Aside

INSCOM G-2 Access Control and Security Escorts (ACES)

DEPT OF DEFENSE
FORT BELVOIR, VA
NAICS 561612
Posted Sep 24, 2026
Due Nov 4, 2026
8(a) Set-Aside

Fairbanks Alaska CBOC Security Guard

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

Fingerprinting Services

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

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

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

Protective Security Officer (PSO) Services

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

Guard Hours Increase

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
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

Self-Sustaining Temporary Detention Facility

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561612
Posted Sep 10, 2026
8(a) Sole Source

Fairbanks Alaska CBOC Security Guard

VETERANS AFFAIRS, DEPARTMENT OF
VANCOUVER, WA
NAICS 561612
Posted Sep 9, 2026
Due Oct 8, 2026
SDVOSB
Back to contract directory
Gov Contract Finder Logo
© Copyright 2026 Gov Contract Finder.