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Environmental Protection Agency NAICS 541310 and PSC C219 contractors

Architectural Services. ARCHITECT AND ENGINEERING- GENERAL: OTHER. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Environmental Protection Agency.

Environmental Protection Agency · NAICS 541310 · PSC C219
Last updated: April 7, 2026

Visible recipients

5

Mapped obligations

$3,666,617,801

State overlap

3

Top recipients

Visible recipients in the Environmental Protection Agency overlap of NAICS 541310 and PSC C219

Aecom Technical Services, Inc.

Los Angeles, CA

Aecom Technical Services, Inc. is a federal category business profile based in Los Angeles, CA. The current public data layer shows $294,508,288 in visible federal obligations across 1,077 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C219.

$2,211,267,335

Tetra Tech, Inc.

Pasadena, CA

Tetra Tech, Inc. is a federal category business profile based in Pasadena, CA. The current public data layer shows $130,835,501 in visible federal obligations across 260 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C219.

$1,015,292,399

Black & Veatch Special Projects Corp.

Overland Park, KS

Black & Veatch Special Projects Corp. is a federal category business profile based in Overland Park, KS. The current public data layer shows $67,934,975 in visible federal obligations across 145 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C214.

$406,891,338

Kleinfelder INC

Rancho Cordova, CA

Kleinfelder INC is a federal category business profile based in Rancho Cordova, CA. The current public data layer shows $30,745,589 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C211.

$13,853,377

Michael Baker International Holdco Corporation

Moon Township, PA

Michael Baker International Holdco Corporation is a federal category business profile based in Moon Township, PA. The current public data layer shows $23,540,961 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C219.

$19,313,352