Who wins NAICS 561621 federal contracts?
A direct answer for SECURITY SYSTEMS SERVICES (EXCEPT LOCKSMITHS) federal contract competitors and buyers.
Direct answer
KBR WYLE SERVICES, LLC leads NAICS 561621 federal contracts with $61,768,412 in ingested obligations.
Answer Facts
NAICS561621
Obligations$145,469,602
Top contractorKBR WYLE SERVICES, LLC
Top agencyDepartment of Transportation
Which agencies buy NAICS 561621?
Department of Transportation is the largest visible agency buyer for NAICS 561621 at $70,645,719.
Source: USAspending.gov. Last updated from ingested federal spending data: May 7, 2026.