General engineering contractors in Columbia, CA

4 licenses with the A classification list Columbia (Tuolumne County) as their address with the state, 4 of them active. Active licenses with nothing flagged come first.

• ✓Brenden Simunaci/simunaci ConstructionA · B · C-12 · C-21 +1 · #619757 Columbia · Tuolumne County Active
• ✓Doug Perry Excavating IncA · #513848 Columbia · Tuolumne County Active
• ✓Luther EngineeringA · B · #607189 Columbia · Tuolumne County Active
• ✓Weller Construction IncA · B · #429107 Columbia · Tuolumne County Active

Source: CSLB license file, Nov 6, 2026All trades in Columbia