The plumbers listed below are familiar with Columbia Water Company’s plumbing
requirements. They have worked with other Columbia Water Company customers to
make necessary plumbing corrections including installation of dual check valves, shut off
valves, and service line repairs, etc.
Customers are welcome to use any plumber of their choice, and are not required to use
a plumber from the list below. For a printable list, click here.
| TJ Richards, LLC | Marietta, PA | (717) 875-6302 |
| Hometown Plumbing | Columbia, PA | (717) 587-9512 |
| Frey Lutz Corp | Lancaster, PA | (717) 898-6808 |
| RL Grham & Sons, Inc | Columbia, PA | (717) 684-2461 |
| Mark Harnish Plumbing | Maytown, PA | (717) 426-2620 |
| BH Aston Plumbing | Columbia, PA | (717) 684-8849 |
| All-Tech LLC | Columbia, PA | (717) 286-7756 |
Companies that install, inspect, test and maintain cross-connection control/backflow prevention devices are as follows. For a printable list, click here.
| Pro Tech Mechanical Contractor, Inc. | Landisville, PA | (717) 892-6988 |
| Commonwealth Fire Protection | Leola, PA | (717) 656-2981 |
| Graham Backflow Testing & Certification, Inc. Formerly R L Graham & Sons, Inc. | Columbia, PA | (717) 684-4826 |
| Misel Berger Inc. | Columbia, PA | (717) 989-8888 |
| EH Gochnauer & Sons | Lancaster, PA | (717) 299-3776 |
| Frey Lutz Corporation | Lancaster, PA | (717) 898-6808 |
| Ansel Backflow Service | Columbia, PA | (717) 721-0277 |
| Ranck Plumbing | Lancaster, PA | (717) 397-2577 |
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