Department of Defense NAICS 541330 contractors

Engineering Services. Contractors in this NAICS lane under Department of Defense.

Agency: Department of Defense

Last updated: April 19, 2026

Visible recipients

391

Mapped obligations

$384,687,047,787

Visible recipients tied to Department of Defense and NAICS 541330

Kbr Wyle Services, LLC

Fulton, MD

Fulton, MD | 645 awards | Top agency Department of Defense | NAICS 541712

$6,500,532,138

Mantech Advanced Systems International, Inc.

Herndon, VA

Herndon, VA | 683 awards | Top agency Department of Defense | NAICS 541330

$3,402,498,645

The Aerospace Corporation

El Segundo, CA

El Segundo, CA | 527 awards | Top agency Department of Defense | NAICS 541715

$47,493,893

Cherokee Nation

Tahlequah, OK

Tahlequah, OK | 454 awards | Top agency Department of Health and Human Services | NAICS 541330

$1,018,938,772

Bae Systems Information And Electronic Systems Integration Inc.

Nashua, NH

Nashua, NH | 383 awards | Top agency Department of Defense | NAICS 334511

$2,245,881,845

Chugach World Services, Inc.

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 236220

$98,375,546

L3harris Technologies, Inc.

Rochester, NY

Rochester, NY | 667 awards | Top agency Department of Defense | NAICS 334220

$4,345,866,768

M1 Support Services, L.p.

Denton, TX

Denton, TX | 132 awards | Top agency Department of Defense | NAICS 488190

$8,850,755

Chenega Federal Systems, LLC

Bethesda, MD

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

$219,174,372

Caci Intelligence Solutions, LLC

Herndon, VA

Herndon, VA | 5 awards | Top agency Department of Defense | NAICS 541990

$105,425,422

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