Department of Defense NAICS 541330 and PSC R425 contractors

Engineering Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Cross-code overlap under Department of Defense.

Department of Defense · NAICS 541330 · PSC R425

Last updated: April 19, 2026

Visible recipients

180

Mapped obligations

$489,570,738,620

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541330 and PSC R425

Peraton Inc.

Herndon, VA

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

$6,004,342,054

Bae Systems Land & Armaments L.p.

York, PA

York, PA | 240 awards | Top agency Department of Defense | NAICS 336992

$4,204,540,467

Vertex Aerospace LLC

Madison, MS

Madison, MS | 623 awards | Top agency Department of Defense | NAICS 488190

$1,154,104,838

General Dynamics Land Systems Inc.

Sterling Heights, MI

Sterling Heights, MI | 819 awards | Top agency Department of Defense | NAICS 336992

$3,293,785,705

Bae Systems Technology Solutions & Services Inc.

Rockville, MD

Rockville, MD | 1,291 awards | Top agency Department of Defense | NAICS 541330

$13,929,941,295

Tybrin Corporation

Fort Walton Beach, FL

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

$432,463,614

Mantech Systems Engineering Corporation

Fairfax, VA

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

$1,578,993,148

L3harris Technologies Integrated Systems L.p.

Greenville, TX

Greenville, TX | 403 awards | Top agency Department of Defense | NAICS 336413

$6,868,105,562

Northrop Grumman Systems Corporation

Melbourne, FL

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

$41,211,281,623

Serco INC

Herndon, VA

Herndon, VA | 1,016 awards | Top agency Department of Defense | NAICS 541330

$5,322,255,015

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