Department of the Interior PSC R499 contractors

SUPPORT- PROFESSIONAL: OTHER. Contractors in this PSC lane under Department of the Interior.

Agency: Department of the Interior

Last updated: April 19, 2026

Visible recipients

127

Mapped obligations

$18,682,125,742

Visible recipients tied to Department of the Interior and PSC R499

Kimley-horn And Associates INC

Raleigh, NC

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

$3,847,929

Confederated Tribes Of The Chehalis Reservation

Oakville, WA

Oakville, WA | 60 awards | Top agency Department of Health and Human Services | NAICS 924120

$71,720

Etrac, A Woolpert Company

San Rafael, CA

San Rafael, CA | 17 awards | Top agency Department of Commerce | NAICS 541370

$591,368

Hntb Corporation

Kansas City, MO

Kansas City, MO | 24 awards | Top agency Department of Defense | NAICS 541330

$11,048,480

Netimpact Strategies INC

Herndon, VA

Herndon, VA | 45 awards | Top agency Department of Defense | NAICS 541519

$80,888,226

Interactive Government Holdings, Inc.

Springfield, VA

Springfield, VA | 32 awards | Top agency Department of Defense | NAICS 561110

$23,216,331

Cher-ae Heights Indian Community Of The Trinidad Rancheria

Trinidad, CA

Trinidad, CA | 35 awards | Top agency Department of the Interior | NAICS 541990

$96,511

Alabama Coushatta Tribe Of Texas

Livingston, TX

Livingston, TX | 82 awards | Top agency Department of Health and Human Services | NAICS 541620

$4,000

Blue Lake Rancheria

Blue Lake, CA

Blue Lake, CA | 57 awards | Top agency Department of the Interior | NAICS 541990

$81,600

West 4th Strategy, LLC

Mc Lean, VA

Mc Lean, VA | 90 awards | Top agency Department of Justice | NAICS 541611

$15,124,900

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