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

Indev LLC

Arlington, VA

Arlington, VA | 60 awards | Top agency Department of Homeland Security | NAICS 541513

$2,501

Hntb Corporation

Kansas City, MO

Kansas City, MO | 24 awards | Top agency Department of Defense | NAICS 541330

$162,924,496

Kleinfelder Northeast, Inc.

Boston, MA

Boston, MA | 5 awards | Top agency Department of Defense | NAICS 541310

$885,013

Arctic Slope Technical Services, Inc.

Beltsville, MD

Beltsville, MD | 126 awards | Top agency National Aeronautics and Space Administration | NAICS 541712

$198,720,527

Usfalcon INC

Cary, NC

Cary, NC | 66 awards | Top agency Department of Defense | NAICS 541712

$325,008,521

Aalis Management Consulting LLC

Woodbridge, VA

Woodbridge, VA | 29 awards | Top agency Department of the Interior | NAICS 541611

$500

Freese And Nichols, Inc.

Fort Worth, TX

Fort Worth, TX | 5 awards | Top agency Department of Transportation | NAICS 541330

$5,281,938

Amentum Environment & Energy, Inc.

Aiken, SC

Aiken, SC | 37 awards | Top agency Department of Energy | NAICS 541712

$5,868,306

Cognosante Cds, LLC

Arlington, VA

Arlington, VA | 20 awards | Top agency Department of Homeland Security | NAICS 541512

$14,845,254

Ahtna Logistics, LLC

Anchorage, AK

Anchorage, AK | 30 awards | Top agency Department of Defense | NAICS 493190

$8,392,864

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