Department of Homeland Security NAICS 541330 contractors

Engineering Services. Contractors in this NAICS lane under Department of Homeland Security.

Agency: Department of Homeland Security

Last updated: April 19, 2026

Visible recipients

163

Mapped obligations

$236,564,446,561

Visible recipients tied to Department of Homeland Security and NAICS 541330

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

The Cadmus Group LLC

Arlington, VA

Arlington, VA | 289 awards | Top agency Environmental Protection Agency | NAICS 541620

$62,154,214

Ndi Engineering Company

Thorofare, NJ

Thorofare, NJ | 156 awards | Top agency Department of Defense | NAICS 541330

$398,627,963

Michael Baker International Holdco Corporation

Moon Township, PA

Moon Township, PA | 5 awards | Top agency Department of Defense | NAICS 541330

$22,721,804

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