Department of Homeland Security NAICS 541715 and PSC R699 contractors

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). SUPPORT- ADMINISTRATIVE: OTHER. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541715 · PSC R699

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$1,172,727,910

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541715 and PSC R699

Lmi Consulting, LLC

Tysons Corner, VA

Tysons Corner, VA | 256 awards | Top agency Department of Defense | NAICS 541330

$106,015,493

Credence Management Solutions Limited Liability Company

Mclean, VA

Mclean, VA | 222 awards | Top agency Department of Defense | NAICS 541330

$430,045,740

Axient LLC

Arlington, VA

Arlington, VA | 83 awards | Top agency Department of Defense | NAICS 541330

$375,788,266

Chenega Enterprise Systems & Solutions, LLC

Chesapeake, VA

Chesapeake, VA | 180 awards | Top agency Department of Health and Human Services | NAICS 541611

$77,472,554

Excella, LLC

Arlington, VA

Arlington, VA | 47 awards | Top agency Department of Homeland Security | NAICS 541519

$31,839,789

Dt Professional Services, LLC

Moorpark, CA

Moorpark, CA | 59 awards | Top agency Department of Defense | NAICS 541330

$1,062,648

Cameo Consulting Group LLC

Rockville, MD

Rockville, MD | 80 awards | Top agency Department of Veterans Affairs | NAICS 541611

$7,019,036

Knowesis, Inc.

Fairfax, VA

Fairfax, VA | 39 awards | Top agency Department of Defense | NAICS 541611

$143,484,384

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