| Business | Phone |
| Franklin Institute-Sales Inc 1058 Hemlock St, Lake Oswego 97034 | (503) 699-9211 |
| German Language Center 2626 Park Rd, Lake Oswego 97034 | (503) 244-8989 |
| International House 155 B Ave # 220, Lake Oswego 97034 | (503) 675-7700 |
| Lake Oswego Indoor Tennis Center 2900 Diane Dr, Lake Oswego 97035 | (503) 635-5550 |
| Lake Oswego Water Sports Center 350 Oswego Pointe Dr, Lake Oswego 97034 | (503) 699-7458 |
| Northwest Nannies Child Care 11830 Kerr Pkwy # 100, Lake Oswego 97035 | (503) 245-5288 |