Department of Health and Human Services PSC F999 contractors

OTHER ENVIRONMENTAL SERVICES. Contractors in this PSC lane under Department of Health and Human Services.

Agency: Department of Health and Human Services

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$389,408,022

Visible recipients tied to Department of Health and Human Services and PSC F999

Amentum Technical Services LLC

Aiken, SC

Aiken, SC | 6 awards | Top agency Department of Transportation | NAICS 541330

$58,003,095

Navajo Nation

Window Rock, AZ

Window Rock, AZ | 20 awards | Top agency Department of the Treasury | NAICS 541620

$2,025,124

Ahtna Facility Services, Incorporated

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Energy | NAICS 562910

$102,017,045

Kawerak, Inc.

Nome, AK

Nome, AK | 100 awards | Top agency Department of the Interior | NAICS 541690

$925

Calibre Systems INC

Alexandria, VA

Alexandria, VA | 125 awards | Top agency Department of Defense | NAICS 541990

$129,874,705

Oglala Sioux Tribe

Pine Ridge, SD

Pine Ridge, SD | 20 awards | Top agency Department of the Interior | NAICS 236118

$2,194,591

Shoshone Bannock Tribes

Fort Hall, ID

Fort Hall, ID | 169 awards | Top agency Department of the Interior | NAICS 813311

$55,055

Osage Nation

Pawhuska, OK

Pawhuska, OK | 211 awards | Top agency Department of Health and Human Services | NAICS 562910

$5,470,565

Spokane Tribe Of The Spokane Reservation

Wellpinit, WA

Wellpinit, WA | 103 awards | Top agency Department of the Interior | NAICS 541620

$122,664

Stantec Consulting Services Inc.

Denver, CO

Denver, CO | 138 awards | Top agency Department of Defense | NAICS 541330

$84,128,955

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