Pipeline contractors in Oakland, CA

3 licenses with the C-34 classification list Oakland (Alameda County) as their address with the state, 3 of them active. Active licenses with nothing flagged come first.

• ✓Allied Fire ProtectionC-12 · C-16 · C-34 · C-60 · #251700 Oakland · Alameda County Active
• ✓Broadway Mechanical - Contractors IncA · B · C-4 · C-12 +8 · #584263 Oakland · Alameda County Active
• ✓Welton UndergroundC-34 · #1047016 Oakland · Alameda County Active

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