General Services Administration NAICS 237990 and PSC Y1AZ contractors in California

Other Heavy and Civil Engineering Construction. CONSTRUCTION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS. Use this deepest state-buyer cross-code page to see which visible contractors sit in the exact overlap of buyer, geography, industry, and product-service lane.

California · General Services Administration

Last updated: April 3, 2026

Visible recipients

Mapped obligations

$958,653,928

Cross-code depth

4 filters

Top recipients

Visible recipients tied to General Services Administration, California, NAICS 237990, and PSC Y1AZ

Gilbane Federal

Concord, CA

Gilbane Federal is a federal category business profile based in Concord, CA. The current public data layer shows $33,832,334 in visible federal obligations across 58 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 Y1AZ.

$958,653,928