Department of the Interior PSC R425 contractors

SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Contractors in this PSC lane under Department of the Interior.

Agency: Department of the Interior

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$37,456,056,091

Visible recipients tied to Department of the Interior and PSC R425

Mantech Gray Hawk Systems, Inc.

Falls Church, VA

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

$16,305,362

Inalab Consulting, Inc.

Fairfax, VA

Fairfax, VA | 136 awards | Top agency Department of Defense | NAICS 541330

$32,614,273

Michael Baker International Holdco Corporation

Moon Township, PA

Moon Township, PA | 5 awards | Top agency Department of Defense | NAICS 541330

$316,953

Ardent Management Consulting, LLC

Vienna, VA

Vienna, VA | 82 awards | Top agency Department of Homeland Security | NAICS 541511

$122,295,718

Cardinal Point Captains, Inc.

San Diego, CA

San Diego, CA | 67 awards | Top agency Department of Commerce | NAICS 541990

$44,829,096

Metron Incorporated

Reston, VA

Reston, VA | 48 awards | Top agency Department of Defense | NAICS 541712

$29,523,751

Goldbelt Nighthawk, LLC

Newport News, VA

Newport News, VA | 28 awards | Top agency Department of Defense | NAICS 541519

$37,131,100

Kimley-horn And Associates INC

Raleigh, NC

Raleigh, NC | 24 awards | Top agency Department of Transportation | NAICS 541330

$13,666,852

Digital Consultants, LLC

Alexandria, VA

Alexandria, VA | 84 awards | Top agency Department of Defense | NAICS 541512

$4,936,826

Ahtna Solutions, LLC

Anchorage, AK

Anchorage, AK | 62 awards | Top agency Department of Defense | NAICS 562910

$3,624,438

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