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

Black & Veatch - Gei Jv

Overland Park, KS

Overland Park, KS | 8 awards | Top agency Department of Defense | NAICS 541330

$10,221,021

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

Solutions Through Innovative Technologies INC

Fairborn, OH

Fairborn, OH | 72 awards | Top agency Department of Defense | NAICS 541330

$428,550,195

Southland Industries

Sterling, VA

Sterling, VA | 15 awards | Top agency Department of Defense | NAICS 541330

$48,730,978

Bevilacqua Research Corporation

Huntsville, AL

Huntsville, AL | 41 awards | Top agency Department of Defense | NAICS 541330

$234,402,467

Ahtna Logistics, LLC

Anchorage, AK

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

$8,392,864

Asrc Research And Technology Solutions LLC

Beltsville, MD

Beltsville, MD | 20 awards | Top agency National Aeronautics and Space Administration | NAICS 541330

$469,003,757

Kratos Defense & Rocket Support Services, Inc.

San Diego, CA

San Diego, CA | 38 awards | Top agency Department of Defense | NAICS 541330

$261,193,759

Peraton Services & Solutions Inc.

Herndon, VA

Herndon, VA | 17 awards | Top agency National Aeronautics and Space Administration | NAICS 541330

$1,220,501,128

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