Department of Transportation NAICS 541519 and PSC R499 contractors

Other Computer Related Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Transportation.

Department of Transportation · NAICS 541519 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$23,011,380,500

State overlap

Top recipients

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

Northrop Grumman Information Technology INC

Mclean, VA

Mclean, VA | 5 awards | Top agency Department of Defense | NAICS 541511

$832,792,289

Science Applications International Corporation

Reston, VA

Reston, VA | 3,314 awards | Top agency Department of Defense | NAICS 541512

$5,593,498,436

Liberty It Solutions LLC

Mc Lean, VA

Mc Lean, VA | 5 awards | Top agency Department of Veterans Affairs | NAICS 541512

$249,731,517

Leidos, Inc.

Reston, VA

Reston, VA | 9,621 awards | Top agency Department of Defense | NAICS 541512

$10,556,144,999

Noblis, Inc.

Reston, VA

Reston, VA | 372 awards | Top agency Department of Transportation | NAICS 541330

$825,388,557

Avantus Federal LLC

Mc Lean, VA

Mc Lean, VA | 95 awards | Top agency Department of Defense | NAICS 541330

$376,997,021

Halvik, LLC

Vienna, VA

Vienna, VA | 202 awards | Top agency Department of Defense | NAICS 541330

$368,820,509

Mantech Enterprise Management, Inc.

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Defense | NAICS 541712

$21,600,072

Ensco INC

Vienna, VA

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

$323,304,883

The Mil Corporation

Bowie, MD

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

$802,727,103

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