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

Redhorse Corporation

Arlington, VA

Arlington, VA | 101 awards | Top agency Department of Defense | NAICS 611430

$64,256,161

Moffatt & Nichol

Long Beach, CA

Long Beach, CA | 5 awards | Top agency Department of Defense | NAICS 541330

$247,094,405

Prescient Edge Corporation

Mc Lean, VA

Mc Lean, VA | 78 awards | Top agency General Services Administration | NAICS 541715

$8,254,210

Tdx International, LLC

Anchorage, AK

Anchorage, AK | 7 awards | Top agency Department of Defense | NAICS 541330

$42,593,393

Mantech Gray Hawk Systems, Inc.

Falls Church, VA

Falls Church, VA | 5 awards | Top agency Department of Defense | NAICS 541330

$15,885,465

Arcadis U.s., Inc.

Highlands Ranch, CO

Highlands Ranch, CO | 100 awards | Top agency Department of Defense | NAICS 541330

$414,569,954

Vse Corporation

Miramar, FL

Miramar, FL | 145 awards | Top agency Department of Defense | NAICS 336611

$289,711,015

Fedwriters, Inc.

Fairfax, VA

Fairfax, VA | 256 awards | Top agency Department of Commerce | NAICS 541611

$19,249,749

Cydecor Inc.

Arlington, VA

Arlington, VA | 75 awards | Top agency Department of Defense | NAICS 541330

$335,663,818

Inalab Consulting, Inc.

Fairfax, VA

Fairfax, VA | 136 awards | Top agency Department of Defense | NAICS 541330

$42,640,847

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