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NAICS 541310 and PSC Z111 contractors in California

Architectural Services. MAINT-REP-ALT/OFFICE BLDGS. Use this deeper state cross-code page to see which visible contractors sit in the overlap between these two lanes inside California.

California · NAICS 541310 · PSC Z111

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$101,324,139

Buyer overlap

Top recipients

Visible recipients in the California overlap of NAICS 541310 and PSC Z111

Swinerton Builders

Concord, CA

Swinerton Builders is a federal category business profile based in Concord, CA. The current public data layer shows $457,871 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 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Z111.

$101,324,139