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Home/California/Department of the Interior/NAICS 237990

State + agency + NAICS page

Department of the Interior NAICS 237990 contractors in California

Other Heavy and Civil Engineering Construction. Use this deeper state-buyer-industry 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 3, 2026

Visible recipients

2

Mapped obligations

$941,588,871

Top PSC links

4

Top recipients

Visible recipients tied to Department of the Interior, California, and NAICS 237990

Granite Construction Company

Watsonville, CA

Granite Construction Company is a federal category business profile based in Watsonville, CA. The current public data layer shows $684,943,035 in visible federal obligations across 56 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 237310 (Highway, Street, and Bridge Construction). The profile also shows meaningful product and service activity in PSC Y1LB.

$814,381,840

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.

$127,207,031

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