Department of Transportation NAICS 561499 contractors

All Other Business Support Services. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of Transportation.

Agency: Department of Transportation

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$203,667,348

Visible recipients tied to Department of Transportation and NAICS 561499

Serco Management Services, Inc.

Reston, VA

Serco Management Services, Inc. is a federal category business profile based in Reston, VA. The current public data layer shows $198,766,291 in visible federal obligations across 5 awards or transactions. Department of Transportation appears as the strongest visible awarding agency. Top industry concentration is in NAICS 488111 (Air Traffic Control). The profile also shows meaningful product and service activity in PSC M1BA.

$203,667,348