Structural steel contractors in Livermore, CA

3 licenses with the C-51 classification list Livermore (Alameda County) as their address with the state, 3 of them active. Active licenses with nothing flagged come first.

• ✓Allen SteelC-51 · #566721 Livermore · Alameda County Active
• ✓Lafayette Iron Works & Company IncC-23 · C-51 · #851833 Livermore · Alameda County Active
• ✓Westco Iron Works IncC-23 · C-51 · #860762 Livermore · Alameda County Active

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