| Business | Phone |
| Cascade Hearing & Audiology 3975 Mercantile Dr # 215, Lake Oswego 97035 | (503) 697-3600 |
| Hearing Northwest 17120 Pilkington Rd, Lake Oswego 97035 | (503) 697-0791 |
| Sonus Hearing Northwest 3970 Mercantile Dr # 105, Lake Oswego 97035 | (503) 675-0143 |