Investigation and Security Services
610 active contract opportunities
610
Active Opportunities
478
Posted Last 7 Days
30 days
Avg Response Window
Top Industries
- Security Systems Services (except Locksmiths)336
- Security Guards and Patrol Services227
- Investigation and Personal Background Check Services26
- Locksmiths11
- Security Systems Services7
Set-Aside Distribution
- 284
- Small Business105
- No Set Aside98
- SDVOSB46
- Small Business Set Aside - Total46
Top Locations
- PA83
- VA76
- DC72
- CA31
- 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 561621
Posted Sep 9, 2026
Due Sep 11, 2026
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NAICS 561621
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