Department of Energy PSC R499 contractors

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

Agency: Department of Energy

Last updated: April 20, 2026

Visible recipients

Mapped obligations

$29,887,418,196

Visible recipients tied to Department of Energy and PSC R499

Akima Facilities Operations LLC

Herndon, VA

Herndon, VA | 305 awards | Top agency Department of Defense | NAICS 561210

$31,332,615

Nana Pacific, LLC

Herndon, VA

Herndon, VA | 20 awards | Top agency General Services Administration | NAICS 517212

$15,915,827

Chickasaw Advisory Services, LLC

Norman, OK

Norman, OK | 5 awards | Top agency Department of Health and Human Services | NAICS 541519

$40,980,271

Kadiak LLC

Anchorage, AK

Anchorage, AK | 175 awards | Top agency Department of Defense | NAICS 541611

$111,453,804

Akima Systems Engineering LLC

Herndon, VA

Herndon, VA | 233 awards | Top agency Department of Defense | NAICS 541512

$21,844,614

Ensco INC

Vienna, VA

Vienna, VA | 124 awards | Top agency Department of Defense | NAICS 541712

$176,394,510

Ahtna Government Services CORP

West Sacramento, CA

West Sacramento, CA | 5 awards | Top agency Department of Energy | NAICS 237990

$6,724,462

Noresco, LLC

Westborough, MA

Westborough, MA | 81 awards | Top agency Department of Defense | NAICS 541330

$251,268,971

Alutiiq Logistics & Maintenance Services, LLC

Anchorage, AK

Anchorage, AK | 283 awards | Top agency Department of Defense | NAICS 561210

$55,511,809

Navarro Research And Engineering, Inc.

Oak Ridge, TN

Oak Ridge, TN | 102 awards | Top agency Department of Energy | NAICS 562910

$119,063,969

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