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

Saliense Consulting LLC

Mclean, VA

Mclean, VA | 74 awards | Top agency Department of Homeland Security | NAICS 541611

$22,417,765

A Square Group LLC

Frederick, MD

Frederick, MD | 45 awards | Top agency Department of Health and Human Services | NAICS 541512

$3,001

Cherokee Nation Government Solutions LLC

Tulsa, OK

Tulsa, OK | 56 awards | Top agency Department of Defense | NAICS 541330

$34,533,868

Gannett Fleming, Inc.

Camp Hill, PA

Camp Hill, PA | 5 awards | Top agency Department of Defense | NAICS 541512

$19,448,088

Intellect Solutions, LLC

Vienna, VA

Vienna, VA | 86 awards | Top agency Department of Defense | NAICS 541511

$57,262,709

Leidos Security Detection & Automation, Inc.

Tewksbury, MA

Tewksbury, MA | 56 awards | Top agency Department of Homeland Security | NAICS 334517

$336,047,909

Integral Federal, Inc.

Mc Lean, VA

Mc Lean, VA | 72 awards | Top agency Department of Defense | NAICS 333244

$167,008,213

Tyonek Aircraft Overhaul, LLC

Anchorage, AK

Anchorage, AK | 15 awards | Top agency Department of Homeland Security | NAICS 334511

$500

Schneider Electric Buildings Americas, Inc.

Carrollton, TX

Carrollton, TX | 54 awards | Top agency Department of Defense | NAICS 541330

$320,427,594

Redhorse Corporation

Arlington, VA

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

$64,256,161

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