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NAICS 237990 and PSC R421 contractors in California

Other Heavy and Civil Engineering Construction. TECHNICAL ASSISTANCE. Use this deeper state cross-code page to see which visible contractors sit in the overlap between these two lanes inside California.

California · NAICS 237990 · PSC R421
Last updated: April 3, 2026

Visible recipients

1

Mapped obligations

$88,298,742

Buyer overlap

4

Top recipients

Visible recipients in the California overlap of NAICS 237990 and PSC R421