Department of Transportation NAICS 541511 and PSC R421 contractors

Custom Computer Programming Services. TECHNICAL ASSISTANCE. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Transportation.

Department of Transportation · NAICS 541511 · PSC R421

Last updated: April 2, 2026

Visible recipients

Mapped obligations

$2,371,721,531

State overlap

Top recipients

Visible recipients in the Department of Transportation overlap of NAICS 541511 and PSC R421

Northrop Grumman Information Technology INC

Mclean, VA

Northrop Grumman Information Technology INC is a federal category business profile based in Mclean, VA. The current public data layer shows $5,292,888,255 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541511 (Custom Computer Programming Services). The profile also shows meaningful product and service activity in PSC D399.

$2,371,721,531