| Business | Phone |
| Abbey Spring Po Box 8598, Santa Rosa 95407 | (707) 545-0278 |
| American Water Treatment Santa Rosa 95404 | (707) 575-1757 |
| Calisoma Products-Cemco Santa Rosa 95409 | (707) 538-4917 |
| Jpb Environmental Svc Santa Rosa 95409 | (707) 539-6306 |
| Lakeside Pure Water 4207 Montgomery Dr, Santa Rosa 95405 | (707) 539-1747 |
| Northcoast Waterworks Inc 953 Piner Pl # A, Santa Rosa 95403 | (707) 578-3411 |
| Zastrow Water Treatment Svc 1644 Brandee Ln, Santa Rosa 95403 | (707) 838-6217 |