Department of Energy NAICS 541620 and PSC R499 contractors

Environmental Consulting Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Energy.

Department of Energy · NAICS 541620 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$594,584,324

State overlap

Top recipients

Visible recipients in the Department of Energy overlap of NAICS 541620 and PSC R499

Chenega Global Services LLC

San Antonio, TX

San Antonio, TX | 5 awards | Top agency Department of Defense | NAICS 562910

Navarro Research And Engineering, Inc.

Oak Ridge, TN

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

Wsp USA Solutions INC

Arlington, VA

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

Paragon Technical Services, Inc.

Hilliard, OH

Hilliard, OH | 16 awards | Top agency Department of Energy | NAICS 561612

Advanced Technologies And Laboratories (atl) International, Inc.

Gaithersburg, MD

Gaithersburg, MD | 36 awards | Top agency Department of Energy | NAICS 562910

Santa Ynez Band Of Mission Indians

Santa Ynez, CA

Santa Ynez, CA | 51 awards | Top agency Department of the Treasury | NAICS 541620

Sealaska Remediation Solutions, LLC

Seattle, WA

Seattle, WA | 20 awards | Top agency Department of Defense | NAICS 561990

Santa Ynez Band Of Mission Ind

Santa Ynez, CA

Santa Ynez, CA | 20 awards | Top agency Department of the Treasury | NAICS 541620

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