Department of State PSC F999 contractors in California

OTHER ENVIRONMENTAL SERVICES. Use this deeper state-buyer-PSC page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

California + Department of State

Last updated: April 3, 2026

Visible recipients

Mapped obligations

$215,451,342

Visible recipients tied to Department of State, California, and PSC F999

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.

$215,451,342