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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. 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 541715 · PSC R499
Last updated: April 8, 2026

Visible recipients

5

Mapped obligations

$10,642,396,203

State overlap

2

Top recipients

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

Parsons Government Services Inc.

Centreville, VA

Parsons Government Services Inc. is a federal category business profile based in Centreville, VA. The current public data layer shows $913,379,435 in visible federal obligations across 598 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC R425.

$4,096,508,836

Kbr Wyle Services, LLC

Fulton, MD

Kbr Wyle Services, LLC is a federal category business profile based in Fulton, MD. The current public data layer shows $884,403,097 in visible federal obligations across 644 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC AZ12.

$6,064,343,147

Ensco INC

Vienna, VA

Ensco INC is a federal category business profile based in Vienna, VA. The current public data layer shows $71,897,543 in visible federal obligations across 124 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC AR16.

$296,661,841

The Mil Corporation

Bowie, MD

The Mil Corporation is a federal category business profile based in Bowie, MD. The current public data layer shows $64,677,843 in visible federal obligations across 189 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC AC65.

$147,144,516

Cameo Consulting Group LLC

Rockville, MD

Cameo Consulting Group LLC is a federal category business profile based in Rockville, MD. The current public data layer shows $9,498,278 in visible federal obligations across 80 awards or transactions. Department of Veterans Affairs appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$37,737,863