| Business | Phone |
| Oshawa Hearing Aid Clinic 21 Gladstone Ave, Oshawa L1J 4E3 | (905) 434-3602 |
| Canadian Hearing Aid Conslnts 17 Ontario St, Oshawa L1G 4Y6 | (905) 725-2771 |
| Chatten's Better Hearing Svc 200 John St W, Oshawa L1J 2B4 | (905) 432-7464 |
| Clinic Hearing Aid Ctr 111 King St E, Oshawa L1H 1B8 | (905) 721-3536 |