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

Raytheon Company

Tucson, AZ

Tucson, AZ | 1,453 awards | Top agency Department of Defense | NAICS 336414

$42,608,211,886

Northrop Grumman Ship Systems,

Pascagoula, MS

Pascagoula, MS | 5 awards | Top agency Department of Defense | NAICS 336611

$1,386,931,503

Booz Allen Hamilton INC

Mclean, VA

Mclean, VA | 3,955 awards | Top agency Department of Defense | NAICS 541512

$21,418,237,893

General Dynamics C4 Systems, Inc.

Scottsdale, AZ

Scottsdale, AZ | 5 awards | Top agency Department of Defense | NAICS 541330

$1,424,870,046

The Boeing Company

Saint Louis, MO

Saint Louis, MO | 1,195 awards | Top agency Department of Defense | NAICS 336411

$22,334,679,672

General Dynamics Information Technology, Inc.

Falls Church, VA

Falls Church, VA | 3,177 awards | Top agency Department of Defense | NAICS 541512

$19,034,610,086

Caci, Inc. - Federal

Chantilly, VA

Chantilly, VA | 1,121 awards | Top agency Department of Defense | NAICS 541512

$4,754,541,713

Amentum Services, Inc.

Chantilly, VA

Chantilly, VA | 1,909 awards | Top agency Department of Defense | NAICS 561210

$4,263,441,029

Huntington Ingalls INC

Newport News, VA

Newport News, VA | 576 awards | Top agency Department of Defense | NAICS 336611

$409,539,111

Deloitte Consulting LLP

Arlington, VA

Arlington, VA | 1,829 awards | Top agency Department of Defense | NAICS 541512

$1,864,358,266

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