Well drilling contractors in Sonora, CA
4 licenses with the C-57 classification list Sonora (Tuolumne County) as their address with the state, 4 of them active. Active licenses with nothing flagged come first.
- Canepa and Sons IncC-57 · #425749 Sonora · Tuolumne County Active
- Precision Pump Service IncA · C-57 · #742031 Sonora · Tuolumne County Active
- Tanko Bros IncC-57 · #395633 Sonora · Tuolumne County Active
- Tanko DennisC-57 · #530534 Sonora · Tuolumne County Active
Source: CSLB license file, Nov 8, 2026All trades in Sonora