561611
INVESTIGATION SERVICES
Explore federal contractors and contract awards classified under NAICS 561611. This industry code covers investigation services services and products in federal procurement.
Total Obligations
$2.3B
Lifetime contract value
Top Agencies
10
Buying in this NAICS
States Active
0
With contractors
Top Contractors in NAICS 561611
Highest-volume contractors by total obligations
No contractor data available.
View all contractors in this NAICSTop Buying Agencies
Federal agencies awarding contracts in NAICS 561611 (FY2025)
- 1Department of Justice395 awards
- 2Department of Homeland Security132 awards
- 3General Services Administration119 awards
- 4Department of Defense72 awards
- 5Department of State58 awards
- 6Social Security Administration29 awards
- 7Department of Health and Human Services26 awards
- 8Department of Veterans Affairs26 awards
- 9Department of Agriculture25 awards
- 10Department of Commerce18 awards
Related NAICS Codes
Other codes in the same industry group
561621
SECURITY SYSTEMS SERVICES (EXCEPT LOCKSMITHS)
1,736 contractors
561612
SECURITY GUARDS AND PATROL SERVICES
972 contractors
561622
LOCKSMITHS
161 contractors
561613
ARMORED CAR SERVICES
61 contractors
Find Opportunities in NAICS 561611
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