A – 1 Drilling & Pump Service Inc
License 972935 Active
- Pump Installation
- Pump Repair
- Well Abandonment
- Well Drilling
- Well Repair
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Holds an active California C-57 Well Drilling contractor license (CSLB license 606385, corporation, first issued 1990, current through 2026-11-30). The C-57 classification covers drilling, casing, cleaning, repairing and destroying water wells and installing and repairing well pumps. Also licensed as: A general engineering. Filed 235 well completion reports with the Department of Water Resources since 2016 (177 new wells, 177 of them domestic supply; 35 well destructions), most recently in September 2026, mostly in Madera, Fresno and Mariposa counties.
License 972935 Active
License 507261 Active
License 262280 Active