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NAICS 237110 and PSC Y1DB contractors in California

Water and Sewer Line and Related Structures Construction. CONSTRUCTION OF LABORATORIES AND CLINICS. Use this deeper state cross-code page to see which visible contractors sit in the overlap between these two lanes inside California.

California · NAICS 237110 · PSC Y1DB

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$516,911,990

Buyer overlap

Top recipients

Visible recipients in the California overlap of NAICS 237110 and PSC Y1DB

Rq Construction, LLC

Carlsbad, CA

Rq Construction, LLC is a federal category business profile based in Carlsbad, CA. The current public data layer shows $348,957,024 in visible federal obligations across 120 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.

$516,911,990