Department of Transportation NAICS 541715 and PSC R499 contractors

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Transportation.

Department of Transportation · NAICS 541715 · PSC R499

Last updated: April 9, 2026

Visible recipients

Mapped obligations

$10,646,887,433

State overlap

Top recipients

Visible recipients in the Department of Transportation overlap of NAICS 541715 and PSC R499

Parsons Government Services Inc.

Centreville, VA

Centreville, VA | 598 awards | Top agency Department of Defense | NAICS 541712

$4,096,508,836

Kbr Wyle Services, LLC

Fulton, MD

Fulton, MD | 645 awards | Top agency Department of Defense | NAICS 541712

$6,068,834,377

Ensco INC

Vienna, VA

Vienna, VA | 124 awards | Top agency Department of Defense | NAICS 541712

$296,661,841

The Mil Corporation

Bowie, MD

Bowie, MD | 189 awards | Top agency Department of Defense | NAICS 541519

$147,144,516

Cameo Consulting Group LLC

Rockville, MD

Rockville, MD | 80 awards | Top agency Department of Veterans Affairs | NAICS 541611

$37,737,863

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