| Business | Phone |
| Audiology Services Inc 6651 Chippewa St # 211, St Louis 63109 | (314) 645-9900 |
| Ballas Hearing & Audiology 648 N New Ballas Rd, St Louis 63141 | (314) 569-4040 |
| Health Conservation Programs 12025 Manchester Rd # 130, St Louis 63131 | (314) 822-4499 |
| Hometown Hearing & Audiology 7521 Ravensridge Rd, St Louis 63119 | (314) 962-2100 |