Department of Transportation NAICS 541512 contractors

Computer Systems Design Services. Contractors in this NAICS lane under Department of Transportation.

Agency: Department of Transportation

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$61,989,496,820

Visible recipients tied to Department of Transportation and NAICS 541512

Northrop Grumman Information Technology INC

Mclean, VA

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

$400,157,389

Science Applications International Corporation

Reston, VA

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

$14,374,478,520

Liberty It Solutions LLC

Mc Lean, VA

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

$2,812,551,215

Leidos, Inc.

Reston, VA

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

$21,755,493,301

Peraton Inc.

Herndon, VA

Herndon, VA | 1,140 awards | Top agency Department of Defense | NAICS 541330

$3,532,713,161

Serco INC

Herndon, VA

Herndon, VA | 1,016 awards | Top agency Department of Defense | NAICS 541330

$1,816,685,594

Parsons Government Services Inc.

Centreville, VA

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

$973,635,976

L3harris Technologies, Inc.

Rochester, NY

Rochester, NY | 667 awards | Top agency Department of Defense | NAICS 334220

$4,253,231,540

M. C. Dean, Inc.

Tysons, VA

Tysons, VA | 1,299 awards | Top agency Department of Defense | NAICS 541330

$372,472,018

Halvik, LLC

Vienna, VA

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

$155,065,717

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