| Business | Phone |
| Arrowhead Hearing Aid Ctr 318 E Superior St, Duluth 55802 | (218) 726-0028 |
| Duluth Clinic Hearing Center 502 E 2nd St, Duluth 55805 | (218) 786-3419 |
| Hearing Plus 1011 E Central Entrance, Duluth 55811 | (218) 727-2333 |
| Northstar Hearing Ctr 203 N 8th Ave E, Duluth 55805 | (218) 724-3477 |
| Speech Language & Hearing Clnc 5 Montague Hall, Duluth 55812 | (218) 726-8199 |
| St Mary's Duluth Clinic Audiol 400 E 3rd St, Duluth 55805 | (218) 786-3419 |