NAICS 541330 and PSC D399 contractors

Engineering Services. IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Cross-code contractor overlap.

NAICS 541330 + PSC D399

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$196,080,104,137

State overlap

Top recipients

Visible recipients in the NAICS 541330 and PSC D399 overlap

Booz Allen Hamilton INC

Mclean, VA

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

$29,152,350,089

General Dynamics Information Technology, Inc.

Falls Church, VA

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

$32,705,564,629

Science Applications International Corporation

Reston, VA

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

$17,901,117,662

Caci, Inc. - Federal

Chantilly, VA

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

$7,575,228,662

Mantech Sensor Technologies, Inc.

Belcamp, MD

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

$3,186,560,546

Deloitte Consulting LLP

Arlington, VA

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

$4,475,239,555

Leidos, Inc.

Reston, VA

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

$26,602,870,203

Peraton Inc.

Herndon, VA

Herndon, VA | 1,140 awards | Top agency Department of Defense | NAICS 541330

$5,687,132,452

Tybrin Corporation

Fort Walton Beach, FL

Fort Walton Beach, FL | 5 awards | Top agency Department of Defense | NAICS 541710

$316,422,297

Northrop Grumman Systems Corporation

Melbourne, FL

Melbourne, FL | 713 awards | Top agency Department of Defense | NAICS 336411

$37,867,734,650

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