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 262280, corporation, first issued 1970, current through 2028-08-31). 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, D-21 machinery and pumps. Filed 83 well completion reports with the Department of Water Resources since 2016 (0 new wells, 13 of them domestic supply; 82 well destructions), most recently in January 2026, mostly in Merced, Madera and Fresno counties.
License 972935 Active
License 507261 Active
License 931959 Active