| Business | Phone |
| Avada Audiology & Hearing Care 169 E Wisconsin Ave, Oconomowoc 53066 | (262) 567-5044 |
| Beltone Hearing Aid Center 119 S Silver Lake St, Oconomowoc 53066 | (262) 560-0889 |
| Hearing Services Ltd 888 Thackeray Trl 107, Oconomowoc 53066 | (262) 567-7639 |
| Oconomowoc Hearing Specialists N55w35813 Lisbon Rd, Oconomowoc 53066 | (262) 567-2793 |