Department of the Interior NAICS 541330 and PSC R425 contractors

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

Department of the Interior · NAICS 541330 · PSC R425

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$64,258,245,344

State overlap

Top recipients

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

General Dynamics C4 Systems, Inc.

Scottsdale, AZ

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

$2,024,870,340

Caci, Inc. - Federal

Chantilly, VA

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

$8,567,299,570

Bae Systems Land & Armaments L.p.

York, PA

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

$4,204,540,467

Kbr Wyle Services, LLC

Fulton, MD

Fulton, MD | 645 awards | Top agency Department of Defense | NAICS 541712

$11,026,658,176

The Aerospace Corporation

El Segundo, CA

El Segundo, CA | 527 awards | Top agency Department of Defense | NAICS 541715

$8,111,740,115

Bae Systems Information And Electronic Systems Integration Inc.

Nashua, NH

Nashua, NH | 383 awards | Top agency Department of Defense | NAICS 334511

$4,116,221,895

Chenega Federal Systems, LLC

Bethesda, MD

Bethesda, MD | 20 awards | Top agency Department of Defense | NAICS 541330

$441,586,112

Modern Technology Solutions, Inc.

Alexandria, VA

Alexandria, VA | 285 awards | Top agency General Services Administration | NAICS 541712

$696,816,904

Odyssey Systems Consulting Group, Ltd.

Wakefield, MA

Wakefield, MA | 257 awards | Top agency Department of Defense | NAICS 541712

$1,569,528,910

Applied Research Associates, Inc.

Albuquerque, NM

Albuquerque, NM | 564 awards | Top agency Department of Defense | NAICS 541712

$1,654,203,600

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