NAICS 562910 and PSC R499 contractors

Remediation Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code contractor overlap.

NAICS 562910 + PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$4,886,760,611

State overlap

Top recipients

Visible recipients in the NAICS 562910 and PSC R499 overlap

Chenega Global Services LLC

San Antonio, TX

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

$157,531,106

Navajo Nation

Window Rock, AZ

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

$3,315,355

Tetra Tech, Inc.

Pasadena, CA

Pasadena, CA | 260 awards | Top agency Department of Defense | NAICS 541330

$1,347,629,204

Jacobs Engineering Group Inc.

Arlington, VA

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

$474,359,766

Cdm Smith Inc.

Carlsbad, CA

Carlsbad, CA | 5 awards | Top agency Department of Defense | NAICS 237990

$9,664,721

Wsp USA Environment & Infrastructure Inc.

Blue Bell, PA

Blue Bell, PA | 309 awards | Top agency Department of Defense | NAICS 236220

$693,099,043

Ahtna Government Services CORP

West Sacramento, CA

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

$7,449,998

Navarro Research And Engineering, Inc.

Oak Ridge, TN

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

$1,377,084,142

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Englewood, CO | 109 awards | Top agency Department of Defense | NAICS 541330

$457,562,345

Shoshone Bannock Tribes

Fort Hall, ID

Fort Hall, ID | 169 awards | Top agency Department of the Interior | NAICS 813311

$146,948

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