Environmental Protection Agency NAICS 541330 and PSC R408 contractors

Engineering Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. Cross-code overlap under Environmental Protection Agency.

Environmental Protection Agency · NAICS 541330 · PSC R408

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$10,458,236,827

State overlap

Top recipients

Visible recipients in the Environmental Protection Agency overlap of NAICS 541330 and PSC R408

Alion Science And Technology Corporation

Chicago, IL

Chicago, IL | 5 awards | Top agency Department of Defense | NAICS 541710

$153,369,893

Icf Incorporated, L.l.c.

Reston, VA

Reston, VA | 1,306 awards | Top agency Department of Health and Human Services | NAICS 541611

$1,577,716,390

Tetra Tech, Inc.

Pasadena, CA

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

$2,704,353,974

Peerless Technologies Corporation

Fairborn, OH

Fairborn, OH | 65 awards | Top agency Department of Defense | NAICS 541330

$353,663,131

Cydecor Inc.

Arlington, VA

Arlington, VA | 75 awards | Top agency Department of Defense | NAICS 541330

$387,907,733

The Cadmus Group LLC

Arlington, VA

Arlington, VA | 289 awards | Top agency Environmental Protection Agency | NAICS 541620

$119,800,132

Michael Baker International Holdco Corporation

Moon Township, PA

Moon Township, PA | 5 awards | Top agency Department of Defense | NAICS 541330

$23,008,182

Serco-ips Corporation

Herndon, VA

Herndon, VA | 32 awards | Top agency Department of Defense | NAICS 541330

$3,390,777,165

Icf Incorporated

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Health and Human Services | NAICS 541611

$1,578,005,729

Btas INC

Beavercreek, OH

Beavercreek, OH | 50 awards | Top agency Department of Defense | NAICS 541712

$169,634,498

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