| Business | Phone |
| Audiology Associates 1111 Sonoma Ave # 308, Santa Rosa 95405 | (707) 523-4740 |
| Audiology Associates 6575 Oakmont Dr # 6, Santa Rosa 95409 | (707) 523-4740 |
| Kenwood Hearing Center 52 Mission Cir # 203, Santa Rosa 95409 | (707) 538-1000 |
| Millennium Hearing Svc Inc 4725 Hoen Ave # B, Santa Rosa 95405 | (707) 542-1154 |