| Business | Phone |
| Cascade Water Treatment 3620 Croisan Creek Rd S, Salem 97302 | (503) 584-0459 |
| Culligans Water Cond Systems Salem 97301 | (503) 399-1158 |
| Hydrokinetic Systems Inc 1340 20th St Se, Salem 97302 | (503) 585-5144 |
| Membrane Sales & Svc 4742 Liberty Rd S, Salem 97302 | (503) 585-5494 |
| R E Sys Inc 4560 Ridge Dr Ne, Salem 97303 | (503) 393-8000 |