| Business | Phone |
| Low Cost Hearing Aid Repair Plymouth 55447 | (763) 559-1852 |
| Micro Wiring Technology 3025 Harbor Ln N # 105, Plymouth 55447 | (763) 744-0412 |
| Unitron Hearing 2300 Berkshire Ln N, Plymouth 55441 | (763) 744-3300 |
| R & L Labs Inc 3005 Niagara Ln N # 2, Plymouth 55447 | (763) 383-1429 |