NAICS 561611 – Investigation and Personal Background Check Services
What NAICS 561611 (Investigation and Personal Background Check Services) covers, and 44 active federal contract opportunities classified under it.
Part of NAICS Sector 56 – Administrative and Support and Waste Management and Remediation Services
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Search on GovTrove →Related NAICS Codes
- NAICS 561210 – Facilities Support Services972 active
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- NAICS 561621 – Security Systems Services (except Locksmiths)404 active
- NAICS 562910 – Remediation Services383 active
- NAICS 562111 – Solid Waste Collection280 active
- NAICS 561612 – Security Guards and Patrol Services256 active
- NAICS 561320 – Temporary Help Services177 active
- NAICS 561790 – Other Services to Buildings and Dwellings170 active
- NAICS 561990 – All Other Support Services130 active
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- NAICS 561710 – Exterminating and Pest Control Services94 active
Data sourced from SAM.gov. Updated daily. Last updated: September 11, 2026.