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NAICS 237990 and PSC AD61 contractors in California

Other Heavy and Civil Engineering Construction. R&D- DEFENSE OTHER: CONSTRUCTION (BASIC RESEARCH). 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 AD61

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$82,771,388

Buyer overlap

Top recipients

Visible recipients in the California overlap of NAICS 237990 and PSC AD61

Ahtna Government Services CORP

West Sacramento, CA

Ahtna Government Services CORP is a federal alaskan native corporation owned firm profile based in West Sacramento, CA. The current public data layer shows $68,304,937 in visible federal obligations across 5 awards or transactions. Department of Energy appears as the strongest visible awarding agency. Top industry concentration is in NAICS 237990 (Other Heavy and Civil Engineering Construction). The profile also shows meaningful product and service activity in PSC Y299.

$82,771,388