Department of Defense NAICS 541330 contractors

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

Agency: Department of Defense

Last updated: April 19, 2026

Visible recipients

391

Mapped obligations

$384,687,047,787

Visible recipients tied to Department of Defense and NAICS 541330

Btas INC

Beavercreek, OH

Beavercreek, OH | 50 awards | Top agency Department of Defense | NAICS 541712

$77,079,917

Garver Cromwell, J.v. LP

North Little Rock, AR

North Little Rock, AR | 5 awards | Top agency Department of Defense | NAICS 541330

$4,195,664

Onezero Solutions, LLC

Alexandria, VA

Alexandria, VA | 31 awards | Top agency Department of Homeland Security | NAICS 541512

$500

Cems-rs&h Jv

Jacksonville, FL

Jacksonville, FL | 17 awards | Top agency Department of Defense | NAICS 541330

$38,329,815

Apex Expert Solutions LLC

Chantilly, VA

Chantilly, VA | 5 awards | Top agency Department of Defense | NAICS 611699

Copper River Technologies, LLC

Anchorage, AK

Anchorage, AK | 22 awards | Top agency Department of Defense | NAICS 541519

$14,392,995

Modjeski And Masters INC

Mechanicsburg, PA

Mechanicsburg, PA | 5 awards | Top agency Small Business Administration | NAICS 611430

$432,930

Brown And Caldwell

San Diego, CA

San Diego, CA | 5 awards | Top agency Department of Defense | NAICS 541330

$3,941,395

Huitt-zollars INC Thompson Engineering A Joint Venture

Fort Worth, TX

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

$3,892,234

Alluvionic INC

Melbourne, FL

Melbourne, FL | 33 awards | Top agency Department of Defense | NAICS 541611

$500

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