Structural steel contractors in Danville, CA

2 licenses with the C-51 classification list Danville (Contra Costa County) as their address with the state, 2 of them active. Active licenses with nothing flagged come first.

• ✓Andrew Thomas RoyC-51 · #796310 Danville · Contra Costa County Active
• ✓Diablo Iron & Fence IncB · C-23 · C-51 · #418902 Danville · Contra Costa County Active

Source: CSLB license file, Nov 8, 2026All trades in Danville