Department of Transportation PSC R499 contractors

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

Agency: Department of Transportation

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$44,487,166,443

Visible recipients tied to Department of Transportation and PSC R499

Noblis, Inc.

Reston, VA

Reston, VA | 372 awards | Top agency Department of Transportation | NAICS 541330

$406,930,279

Amentum Technical Services LLC

Aiken, SC

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

$103,649,203

Serco Management Services, Inc.

Reston, VA

Reston, VA | 5 awards | Top agency Department of Transportation | NAICS 488111

$8,043,579

Navajo Nation

Window Rock, AZ

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

$1,337,339

Avantus Federal LLC

Mc Lean, VA

Mc Lean, VA | 95 awards | Top agency Department of Defense | NAICS 541330

$283,437,247

Halvik, LLC

Vienna, VA

Vienna, VA | 202 awards | Top agency Department of Defense | NAICS 541330

$246,009,546

Rosebud Sioux Tribe

Rosebud, SD

Rosebud, SD | 333 awards | Top agency Department of the Interior | NAICS 813311

$125,541

Credence Dynamo Solutions LLC

Vienna, VA

Vienna, VA | 102 awards | Top agency Department of Defense | NAICS 541330

$101,119,028

Jacobs Engineering Group Inc.

Arlington, VA

Arlington, VA | 308 awards | Top agency Department of Defense | NAICS 541330

$120,609,704

Kawerak, Inc.

Nome, AK

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

$319,026

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