| Business | Phone |
| David & Son Drilling Co 1685 Parker Ave, Oroville 95966 | (530) 589-3914 |
| Kruse Drilling Co Po Box 2071, Oroville 95965 | (530) 589-3201 |
| Precision Pump Co 1685 Parker Ave, Oroville 95966 | (530) 533-4944 |
| Reed's Pump & Manufacturer Co 4615 Lincoln Blvd, Oroville 95966 | (530) 589-1020 |