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 256384, corporation, first issued 1969, current through 2027-04-30). The C-57 classification covers drilling, casing, cleaning, repairing and destroying water wells and installing and repairing well pumps. Also licensed as: D-21 machinery and pumps. Filed 69 well completion reports with the Department of Water Resources since 2016 (63 new wells, 28 of them domestic supply; 5 well destructions), most recently in December 2025, mostly in Sutter, Butte and Yuba counties.
License 972935 Active
License 956847 Active
License 1018188 Active