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

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

Onezero Solutions, LLC

Alexandria, VA

Alexandria, VA | 31 awards | Top agency Department of Homeland Security | NAICS 541512

$500

Connsci LLC

Gaithersburg, MD

Gaithersburg, MD | 33 awards | Top agency Department of Health and Human Services | NAICS 611420

$500

Crow Tribe

Crow Agency, MT

Crow Agency, MT | 20 awards | Top agency Department of the Interior | NAICS 237110

$263,872

Indigo It, LLC

Herndon, VA

Herndon, VA | 26 awards | Top agency Department of Homeland Security | NAICS 541512

$838,807

Alutiiq Technical Services LLC

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 541330

$105,109,081

Ironarch Technology LLC

Arlington, VA

Arlington, VA | 41 awards | Top agency Department of Veterans Affairs | NAICS 541330

$19,080,384

Chugach Information Technology LLC

Anchorage, AK

Anchorage, AK | 31 awards | Top agency Department of Defense | NAICS 541330

$240,685,700

Business Plus Corporation , A Subsidiary Of American Systems Corporation

Hampton, VA

Hampton, VA | 5 awards | Top agency Department of Defense | NAICS 611699

-$152,594

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