| Business | Phone |
| A Better Water Co 1599 Columbia Ave, Lancaster 17603 | (717) 299-2060 |
| Affordable Water Treatment Lancaster 17602 | (717) 299-3982 |
| Alan Manufacturing 1085 Manheim Pike, Lancaster 17601 | (717) 394-7322 |
| Water Specialists Lancaster 17601 | (717) 569-5922 |
| Water Treatment & Access 2045 Rockvale Rd, Lancaster 17602 | (717) 295-9339 |
| Tlc Environmental Inc 2733 Columbia Ave, Lancaster 17603 | (717) 299-3596 |
| Rainsoft Water Treatment 312 E Walnut St, Lancaster 17602 | (717) 291-5599 |