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Department of Transportation NAICS 541519 and PSC R499 contractors

Other Computer Related Services. 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 541519 · PSC R499
Last updated: April 8, 2026

Visible recipients

27

Mapped obligations

$22,934,833,780

State overlap

4

Top recipients

Visible recipients in the Department of Transportation overlap of NAICS 541519 and PSC R499

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.

$832,792,289

Science Applications International Corporation

Reston, VA

Science Applications International Corporation is a federal category business profile based in Reston, VA. The current public data layer shows $3,822,354,482 in visible federal obligations across 3,325 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC R425.

$5,593,498,436

Liberty It Solutions LLC

Mc Lean, VA

Liberty It Solutions LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $2,847,742,977 in visible federal obligations across 5 awards or transactions. Department of Veterans Affairs appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC DA01.

$249,731,517

Leidos, Inc.

Reston, VA

Leidos, Inc. is a federal category business profile based in Reston, VA. The current public data layer shows $2,328,171,377 in visible federal obligations across 9,647 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC R425.

$10,556,144,999

Noblis, Inc.

Reston, VA

Noblis, Inc. is a federal category business profile based in Reston, VA. The current public data layer shows $263,857,681 in visible federal obligations across 372 awards or transactions. Department of Transportation appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$825,388,557

Avantus Federal LLC

Mc Lean, VA

Avantus Federal LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $158,730,910 in visible federal obligations across 95 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R408.

$376,997,021

Halvik, LLC

Vienna, VA

Halvik, LLC is a federal 8a program participant profile based in Vienna, VA. The current public data layer shows $157,469,966 in visible federal obligations across 202 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R499.

$368,820,509

Mantech Enterprise Management, Inc.

Fairfax, VA

Mantech Enterprise Management, Inc. is a federal category business profile based in Fairfax, VA. The current public data layer shows $85,431,968 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 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC D399.

$21,600,072

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.

$323,304,883

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.

$802,727,103
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