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

Innovative Management Concepts, INC

Blairsville, GA

Blairsville, GA | 80 awards | Top agency General Services Administration | NAICS 541512

$48,472,871

Maximus Federal Consulting, LLC

Mc Lean, VA

Mc Lean, VA | 73 awards | Top agency Securities and Exchange Commission | NAICS 541512

$193,390,015

Edgewater Federal Solutions, Inc.

Frederick, MD

Frederick, MD | 41 awards | Top agency Department of Energy | NAICS 541519

$102,798,367

Procentrix, LLC

Herndon, VA

Herndon, VA | 71 awards | Top agency Securities and Exchange Commission | NAICS 541519

$64,223,258

Chenega Naswik International LLC

Chantilly, VA

Chantilly, VA | 182 awards | Top agency Department of Defense | NAICS 561612

$3,444,126

Attainx Inc.

Herndon, VA

Herndon, VA | 182 awards | Top agency Department of Agriculture | NAICS 541511

$66,046,403

Chickasaw Nation Industries, INC

Norman, OK

Norman, OK | 20 awards | Top agency Department of Defense | NAICS 541618

$3,740,000

Sentar, Inc.

Huntsville, AL

Huntsville, AL | 67 awards | Top agency Department of Defense | NAICS 541330

$36,032,838

Wsp USA Solutions INC

Arlington, VA

Arlington, VA | 228 awards | Top agency Department of Defense | NAICS 541330

$24,515,898

S & K Aerospace, LLC

Saint Ignatius, MT

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

$2,050,760,014

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