State + NAICS + PSC page

NAICS 541620 and PSC F108 contractors in California

Environmental Consulting Services. ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION. Use this deeper state cross-code page to see which visible contractors sit in the overlap between these two lanes inside California.

California · NAICS 541620 · PSC F108

Last updated: April 3, 2026

Visible recipients

Mapped obligations

$724,348,133

Buyer overlap

Top recipients

Visible recipients in the California overlap of NAICS 541620 and PSC F108

Tetra Tech Ec, Inc.

San Diego, CA

Tetra Tech Ec, Inc. is a federal category business profile based in San Diego, CA. The current public data layer shows $418,648,162 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 562910 (Remediation Services). The profile also shows meaningful product and service activity in PSC F108.

$724,348,133