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.
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NAICS 561611
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NAICS 561621
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Prospect Harbor Space Force Station (PHSFS) Base Operations Support (BOS) Services, Prospect Harbor, Maine.
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STATE, DEPARTMENT OF
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NAICS 561612
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No Set AsidePurchase and Installation of Security System and Monitoring Services
HOMELAND SECURITY, DEPARTMENT OF
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NAICS 561621
Posted Jun 25, 2026
Small BusinessCanine Explosive Support Services
TREASURY, DEPARTMENT OF THE
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NAICS 561612
Posted Jun 24, 2026
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NAICS 561621
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HOMELAND SECURITY, DEPARTMENT OF
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NAICS 561612
Posted Jun 23, 2026
8(a) CompetedFire Panel Maintenance and Service for Sector Delaware Bay AOR
HOMELAND SECURITY, DEPARTMENT OF
CAPE MAY, NJ
NAICS 561621
Posted Jun 23, 2026
Small Business
