| Business | Phone |
| Cedar Roofs Northwest Lake Oswego 97035 | (503) 636-6690 |
| Dan & Sons Tree Svc Inc 16869 65th Ave # 178, Lake Oswego 97035 | (503) 684-4199 |
| Halstead's Arboriculture Cnslt 17305 63rd Ave, Lake Oswego 97035 | (503) 675-0491 |
| Striplin's Tree Svc Lake Oswego 97035 | (503) 699-8733 |
| Phil Snell's Tree Svc Lake Oswego 97035 | (503) 636-0889 |
| Pine Tree Properties 15455 Hallmark Dr, Lake Oswego 97035 | (503) 635-1101 |