Department of State NAICS 541620 and PSC R408 contractors in California

Environmental Consulting Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. Use this deepest state-buyer cross-code page to see which visible contractors sit in the exact overlap of buyer, geography, industry, and product-service lane.

California · Department of State

Last updated: April 3, 2026

Visible recipients

Mapped obligations

$1,417,109,728

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Top recipients

Visible recipients tied to Department of State, California, NAICS 541620, and PSC R408

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.

$1,417,109,728