| Business | Phone |
| Advanced Hearing Aid Systems 418 S Poplar St, Centralia 62801 | (618) 526-2976 |
| Advanced Hearing Aid Systems 6348 E 82nd St, Centralia 46250 | (317) 578-9201 |
| Audio Hearing Aid Ctr 416 E 2nd St, Centralia 62801 | (618) 532-8452 |
| Hearing Aid Solutions Inc 403 N Poplar St, Centralia 62801 | (618) 532-7770 |