Department of the Interior PSC C219 contractors

ARCHITECT AND ENGINEERING- GENERAL: OTHER. Contractors in this PSC lane under Department of the Interior.

Agency: Department of the Interior

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$2,964,993,218

Visible recipients tied to Department of the Interior and PSC C219

Tetra Tech Ec, Inc.

San Diego, CA

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

$56,506,696

Pueblo Of Acoma

Pueblo Of Acoma, NM

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

$161,795

Cianbro Corporation

Pittsfield, ME

Pittsfield, ME | 16 awards | Top agency Department of Defense | NAICS 237990

$37,528,700

Nv5 Geospatial, Inc.

Saint Petersburg, FL

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

$439,890,457

Jacobs Government Services Company

Arlington, VA

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

$280,205,149

Wsp USA Environment & Infrastructure Inc.

Blue Bell, PA

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

$134,625,873

Mantech Srs Technologies, Inc.

Herndon, VA

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

$136,952,143

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

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

$175,866,862

Woolpert, Inc.

Beavercreek, OH

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

$363,801,682

Cdm Constructors Inc.

Boston, MA

Boston, MA | 31 awards | Top agency Department of Defense | NAICS 237110

$90,416,860

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