General Services Administration NAICS 541330 contractors

Engineering Services. Contractors in this NAICS lane under General Services Administration.

Agency: General Services Administration

Last updated: April 17, 2026

Visible recipients

227

Mapped obligations

$261,323,262,408

Visible recipients tied to General Services Administration 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

Booz Allen Hamilton INC

Mclean, VA

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

$21,418,237,893

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

Caci, Inc. - Federal

Chantilly, VA

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

$4,754,541,713

Mantech Sensor Technologies, Inc.

Belcamp, MD

Belcamp, MD | 5 awards | Top agency Department of Defense | NAICS 541330

$3,186,560,546

Amentum Services, Inc.

Chantilly, VA

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

$4,263,441,029

Deloitte Consulting LLP

Arlington, VA

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

$1,864,358,266

Leidos, Inc.

Reston, VA

Reston, VA | 9,621 awards | Top agency Department of Defense | NAICS 541512

$16,908,888,817

Loyal Source Government Services LLC

Orlando, FL

Orlando, FL | 96 awards | Top agency Department of Veterans Affairs | NAICS 621111

$36,264,045

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