Environmental Protection Agency NAICS 541611 and PSC R408 contractors

Administrative Management and General Management Consulting Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. Cross-code overlap under Environmental Protection Agency.

Environmental Protection Agency · NAICS 541611 · PSC R408

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$10,984,918,569

State overlap

Top recipients

Visible recipients in the Environmental Protection Agency overlap of NAICS 541611 and PSC R408

Alion Science And Technology Corporation

Chicago, IL

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

$142,870,004

Icf Incorporated, L.l.c.

Reston, VA

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

$3,808,014,259

Tetra Tech, Inc.

Pasadena, CA

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

$593,038,538

Peerless Technologies Corporation

Fairborn, OH

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

$165,421,629

Cydecor Inc.

Arlington, VA

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

$58,667,446

The Cadmus Group LLC

Arlington, VA

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

$260,210,941

Abt Global LLC

Cambridge, MA

Cambridge, MA | 45 awards | Top agency Agency for International Development | NAICS 541990

$1,881,137,604

Censeo Consulting Group, Inc.

Washington, DC

Washington, DC | 117 awards | Top agency General Services Administration | NAICS 541611

$254,968,358

Icf Incorporated

Fairfax, VA

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

$3,808,303,598

Abt Associates INC

"boston ", MA

"boston ", MA | 5 awards | Top agency Agency for International Development | NAICS 541618

$12,286,192

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