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NAICS 237990 and PSC Z1KF contractors in California

Other Heavy and Civil Engineering Construction. MAINTENANCE OF DREDGING FACILITIES. 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 Z1KF

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$57,895,988

Buyer overlap

Top recipients

Visible recipients in the California overlap of NAICS 237990 and PSC Z1KF

Ahtna Design-build INC

West Sacramento, CA

Ahtna Design-build INC is a federal 8a program participant profile based in West Sacramento, CA. The current public data layer shows $2,082,852 in visible federal obligations across 10 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y1JZ.

$57,895,988