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

Lockheed Martin Corporation

Fort Worth, TX

Fort Worth, TX | 1,651 awards | Top agency Department of Defense | NAICS 336411

$21,270,890,780

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

Science Applications International Corporation

Reston, VA

Reston, VA | 3,314 awards | Top agency Department of Defense | NAICS 541512

$13,532,301,058

Space Exploration Technologies Corp.

Hawthorne, CA

Hawthorne, CA | 404 awards | Top agency National Aeronautics and Space Administration | NAICS 481212

$12,168,434

Mantech Telecommunications And Information Systems Corporation

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Defense | NAICS 541330

$2,220,927,671

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