Department of Transportation PSC F999 contractors

OTHER ENVIRONMENTAL SERVICES. Contractors in this PSC lane under Department of Transportation.

Agency: Department of Transportation

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$1,316,963,672

Visible recipients tied to Department of Transportation 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

Shaw Infrastructure, Inc.

Monroeville, PA

Monroeville, PA | 5 awards | Top agency Department of Defense | NAICS 561210

$20,988,179

Ea Engineering, Science, And Technology, Inc., Pbc

Hunt Valley, MD

Hunt Valley, MD | 522 awards | Top agency Department of Defense | NAICS 562910

$600,988,011

Kawerak, Inc.

Nome, AK

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

$925

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

S & K Aerospace, LLC

Saint Ignatius, MT

Saint Ignatius, MT | 415 awards | Top agency Department of Defense | NAICS 541614

$40,471,621

Ahtna Global LLC

Anchorage, AK

Anchorage, AK | 92 awards | Top agency Department of Defense | NAICS 562910

$22,487,083

Stantec Consulting Services Inc.

Denver, CO

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

$84,128,955

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