| Business | Phone |
| Aat Salt & Distribution Oconomowoc 53066 | (262) 567-4900 |
| Aqua Care Svc N58w39957 Highway 16, Oconomowoc 53066 | (262) 567-8362 |
| Boettcher Water Systs & Equip W230 Madison Ave, Oconomowoc 53066 | (262) 567-6861 |
| Exstream Water Technology 123 E Wisconsin Ave, Oconomowoc 53066 | (262) 567-5617 |