NAICS 561611

Investigation and Personal Background Check Services

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Federal agencies have awarded 416 contracts worth $508.6M to 105 recipients under NAICS 561611 (Investigation and Personal Background Check Services). Below are the top recipients, the agencies buying most under this code, and current open solicitations.

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Top 10 Recipients (last 12 months)

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Top 5 Buying Agencies (last 12 months)

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Small Business Set-Aside Programs

8(a) Business Development$6.6M · 17
Small Business$110K · 10
Service-Disabled Veteran-Owned$2.1M · 2

Spending by Fiscal Year

FY 2026$291.3M · 119 awards
FY 2025$193M · 251 awards
FY 2024$24.3M · 46 awards

Where the Work Happens

VA$175M · 52
DC$82.2M · 104
MD$52.8M · 33
CO$50.3M · 18
TN$36.8M · 21
FL$19.4M · 15

Federal Contracting under NAICS 561611

Across all years, federal agencies have obligated $508.6M to 105 vendors under NAICS 561611 (Investigation and Personal Background Check Services), an average of $1.2M per award. In FY2026, $291.3M was awarded across 119 contract actions. Around 7% of awards under this code went to small businesses through programs such as 8(a) Business Development, Small Business, Service-Disabled Veteran-Owned. The largest buyer is Department of Homeland Security. Most of the work is performed in VA and DC. Browse open bids →

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