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

Systems Planning And Analysis, Inc.

Alexandria, VA

Alexandria, VA | 238 awards | Top agency Department of Defense | NAICS 541330

$2,275,710,792

Icf Incorporated, L.l.c.

Reston, VA

Reston, VA | 1,306 awards | Top agency Department of Health and Human Services | NAICS 541611

$853,876,748

Dcs Corporation

Alexandria, VA

Alexandria, VA | 411 awards | Top agency Department of Defense | NAICS 541712

$2,881,000,148

L3harris Interstate Electronics Corporation

Yorba Linda, CA

Yorba Linda, CA | 40 awards | Top agency Department of Defense | NAICS 541330

$1,520,146,416

Siemens Government Technologies INC

Arlington, VA

Arlington, VA | 227 awards | Top agency Department of Defense | NAICS 541512

$986,619,066

Radiance Technologies INC

Huntsville, AL

Huntsville, AL | 164 awards | Top agency Department of Defense | NAICS 541712

$286,349,078

Bowhead Program Management & Operations, LLC

Springfield, VA

Springfield, VA | 251 awards | Top agency Department of Defense | NAICS 541330

$780,408,512

Ea Engineering, Science, And Technology, Inc., Pbc

Hunt Valley, MD

Hunt Valley, MD | 522 awards | Top agency Department of Defense | NAICS 562910

$240,758,172

Akima Systems Engineering LLC

Herndon, VA

Herndon, VA | 233 awards | Top agency Department of Defense | NAICS 541512

$173,828,964

Mantech Srs Technologies, Inc.

Herndon, VA

Herndon, VA | 76 awards | Top agency Department of Defense | NAICS 541330

$960,062,961

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