Who are the top contractors for Department of Transportation?
A direct answer for Department of Transportation contractor spending, with supporting agency and ranking links.
Direct answer
HARRIS CORPORATION is the top listed contractor for Department of Transportation, with $5,393,881,624 in ingested obligations.
Answer Facts
Agency obligations$16,466,529,845
Award records749
Top contractorHARRIS CORPORATION
Top NAICS517310 - TELECOMMUNICATIONS RESELLERS
Which market category matters most for Department of Transportation?
517310 - TELECOMMUNICATIONS RESELLERS is the largest visible NAICS category for Department of Transportation at $5,393,881,624.
Source: USAspending.gov. Last updated from ingested federal spending data: May 7, 2026.