Well drilling contractors in Middletown, CA
1 licenses with the C-57 classification list Middletown (Lake County) as their address with the state, 1 of them active. Active licenses with nothing flagged come first.
- Cal Tech Pump Well & Compressor IncC-55 · C-57 · C-61/D-21 · #923640 Middletown · Lake County Active
Source: CSLB license file, Nov 8, 2026All trades in Middletown