Department of the Interior NAICS 541330 and PSC C219 contractors

Engineering Services. ARCHITECT AND ENGINEERING- GENERAL: OTHER. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 541330 · PSC C219

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$6,933,407,487

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541330 and PSC C219

Tetra Tech Ec, Inc.

San Diego, CA

San Diego, CA | 5 awards | Top agency Department of Defense | NAICS 562910

$140,372,683

Pueblo Of Acoma

Pueblo Of Acoma, NM

Pueblo Of Acoma, NM | 103 awards | Top agency Department of Transportation | NAICS 541720

$353,820

Nv5 Geospatial, Inc.

Saint Petersburg, FL

Saint Petersburg, FL | 132 awards | Top agency Department of the Interior | NAICS 541360

$462,104,931

Jacobs Government Services Company

Arlington, VA

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

$1,062,192,207

Wsp USA Environment & Infrastructure Inc.

Blue Bell, PA

Blue Bell, PA | 309 awards | Top agency Department of Defense | NAICS 236220

$360,816,019

Mantech Srs Technologies, Inc.

Herndon, VA

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

$607,948,991

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Englewood, CO | 109 awards | Top agency Department of Defense | NAICS 541330

$623,248,228

Woolpert, Inc.

Beavercreek, OH

Beavercreek, OH | 89 awards | Top agency Department of Defense | NAICS 541360

$438,792,937

Wsp USA Solutions INC

Arlington, VA

Arlington, VA | 228 awards | Top agency Department of Defense | NAICS 541330

$307,512,393

Seminole Tribe Of Florida

Hollywood, FL

Hollywood, FL | 131 awards | Top agency Department of the Treasury | NAICS 311611

$392,860

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