State + agency + NAICS page

Environmental Protection Agency NAICS 541330 contractors in California

Engineering Services. Use this deeper state-buyer-industry page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

California + Environmental Protection Agency
Last updated: April 3, 2026

Visible recipients

4

Mapped obligations

$5,101,192,647

Top PSC links

4

Top recipients

Visible recipients tied to Environmental Protection Agency, California, and NAICS 541330

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 $290,798,261 in visible federal obligations across 1,081 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.

$2,818,790,074

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.

$2,269,677,772

Cdm Smith Inc.

Carlsbad, CA

Cdm Smith Inc. is a federal category business profile based in Carlsbad, CA. The current public data layer shows $81,627,935 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 237990 (Other Heavy and Civil Engineering Construction). The profile also shows meaningful product and service activity in PSC Y244.

$12,509,634

Leidos Engineering & Sciences, LLC

San Diego, CA

Leidos Engineering & Sciences, LLC is a federal category business profile based in San Diego, CA. The current public data layer shows $1,303,849 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 334413 (Semiconductor and Related Device Manufacturing). The profile also shows meaningful product and service activity in PSC 5342.

$215,167