Department of Homeland Security NAICS 541710 and PSC R425 contractors

Research and Development in the Physical, Engineering, and Life Sciences. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541710 · PSC R425

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$7,963,575,298

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541710 and PSC R425

Chenega Federal Systems, LLC

Bethesda, MD

Bethesda, MD | 20 awards | Top agency Department of Defense | NAICS 541330

$275,150,088

Odyssey Systems Consulting Group, Ltd.

Wakefield, MA

Wakefield, MA | 257 awards | Top agency Department of Defense | NAICS 541712

$1,725,111,824

Applied Research Associates, Inc.

Albuquerque, NM

Albuquerque, NM | 564 awards | Top agency Department of Defense | NAICS 541712

$1,204,742,067

Dcs Corporation

Alexandria, VA

Alexandria, VA | 411 awards | Top agency Department of Defense | NAICS 541712

$1,396,153,121

Amentum Technical Services LLC

Aiken, SC

Aiken, SC | 6 awards | Top agency Department of Transportation | NAICS 541330

$3,544,846

L3harris Interstate Electronics Corporation

Yorba Linda, CA

Yorba Linda, CA | 40 awards | Top agency Department of Defense | NAICS 541330

$433,664,010

Radiance Technologies INC

Huntsville, AL

Huntsville, AL | 164 awards | Top agency Department of Defense | NAICS 541712

$291,253,564

S & K Technologies, Inc.

Saint Ignatius, MT

Saint Ignatius, MT | 5 awards | Top agency Department of Defense | NAICS 561210

$20,198,037

The Cadmus Group LLC

Arlington, VA

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

$105,998,658

Bevilacqua Research Corporation

Huntsville, AL

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

$153,186,895

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