| Business | Phone |
| A Plus Property Management Po Box 1065, Lake Oswego 97034 | (503) 699-3351 |
| American Management Corp 100 Kerr Pkwy # 1, Lake Oswego 97035 | (503) 697-9519 |
| Ilp Corp 2 Centerpointe Dr # 210, Lake Oswego 97035 | (971) 249-0404 |
| Silverstone Management 3689 Carman Dr # B, Lake Oswego 97035 | (503) 284-1985 |
| Schultz Properties Inc Po Box 253, Lake Oswego 97034 | (503) 635-2232 |
| Mainlander Property Management 3927 Lake Grove Ave, Lake Oswego 97035 | (503) 635-4477 |
| Reliance Property Management 11830 Kerr Pkwy # 325, Lake Oswego 97035 | (503) 244-1359 |
| Moore Property Management Inc 14511 Westlake Dr # 150, Lake Oswego 97035 | (503) 639-4478 |
| Prell Development & Management 430 5th St # D, Lake Oswego 97034 | (503) 636-1163 |
| Quail Court Management Lake Oswego 97035 | (503) 639-0224 |
| Performance Properties Inc 11830 Kerr Pkwy # 208, Lake Oswego 97035 | (503) 293-2782 |