Department of Transportation NAICS 541330 contractors

Engineering Services. Contractors in this NAICS lane under Department of Transportation.

Agency: Department of Transportation

Last updated: April 19, 2026

Visible recipients

101

Mapped obligations

$155,275,365,989

Visible recipients tied to Department of Transportation and NAICS 541330

Parsons Government Services Inc.

Centreville, VA

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

$2,491,947,112

Kbr Wyle Services, LLC

Fulton, MD

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

$6,500,532,138

L3harris Technologies, Inc.

Rochester, NY

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

$4,345,866,768

M1 Support Services, L.p.

Denton, TX

Denton, TX | 132 awards | Top agency Department of Defense | NAICS 488190

$8,850,755

M. C. Dean, Inc.

Tysons, VA

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

$1,574,954,186

Applied Research Associates, Inc.

Albuquerque, NM

Albuquerque, NM | 564 awards | Top agency Department of Defense | NAICS 541712

$818,811,767

Noblis, Inc.

Reston, VA

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

$1,875,508,467

Asrc Federal System Solutions LLC

Beltsville, MD

Beltsville, MD | 422 awards | Top agency National Aeronautics and Space Administration | NAICS 541330

$974,322,888

Amentum Technical Services LLC

Aiken, SC

Aiken, SC | 6 awards | Top agency Department of Transportation | NAICS 541330

$221,963,528

Dlt Solutions, LLC

Herndon, VA

Herndon, VA | 614 awards | Top agency Department of Defense | NAICS 541519

$95,197,591

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