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Home/California/Department of the Interior/PSC F999

State + agency + PSC page

Department of the Interior 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 the Interior
Last updated: April 7, 2026

Visible recipients

2

Mapped obligations

$216,616,855

Top NAICS links

4

Top recipients

Visible recipients tied to Department of the Interior, 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

Brown And Caldwell

San Diego, CA

Brown And Caldwell is a federal category business profile based in San Diego, CA. The current public data layer shows $3,910,103 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 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C211.

$1,165,513

Next paths

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Open California PSC F999

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Open NAICS 562910

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Open NAICS 237990

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Open NAICS 236220

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Open NAICS 541330

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