Agency + NAICS + PSC page

Environmental Protection Agency NAICS 237120 and PSC Z2NA contractors

Oil and Gas Pipeline and Related Structures Construction. REPAIR OR ALTERATION OF FUEL SUPPLY FACILITIES. 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 237120 · PSC Z2NA
Last updated: April 8, 2026

Visible recipients

4

Mapped obligations

$2,457,195,702

State overlap

3

Top recipients

Visible recipients in the Environmental Protection Agency overlap of NAICS 237120 and PSC Z2NA

Weston Solutions INC

West Chester, PA

Weston Solutions INC is a federal category business profile based in West Chester, PA. The current public data layer shows $169,108,559 in visible federal obligations across 378 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Z2JZ.

$868,916,271

Aptim Federal Services, LLC

Baton Rouge, LA

Aptim Federal Services, LLC is a federal category business profile based in Baton Rouge, LA. The current public data layer shows $148,966,212 in visible federal obligations across 303 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 562910 (Remediation Services). The profile also shows meaningful product and service activity in PSC F999.

$918,178,130

Wsp USA Environment & Infrastructure Inc.

Blue Bell, PA

Wsp USA Environment & Infrastructure Inc. is a federal category business profile based in Blue Bell, PA. The current public data layer shows $75,668,109 in visible federal obligations across 309 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Z2NA.

$534,359,914

Bristol Engineering Services Company, LLC

Anchorage, AK

Bristol Engineering Services Company, LLC is a federal alaskan native corporation owned firm profile based in Anchorage, AK. The current public data layer shows $14,635,172 in visible federal obligations across 10 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 237120 (Oil and Gas Pipeline and Related Structures Construction). The profile also shows meaningful product and service activity in PSC Z2NA.

$135,741,387