| Business | Phone |
| Apex Environmental Consulting 28600 Sw Canyon Creek Rd, Wilsonville 97070 | (503) 682-9737 |
| Clearwater Environmental Svc 30240 Sw Parkway Ave, Wilsonville 97070 | (503) 582-1951 |
| Liberte Environmental Assoc Wilsonville 97070 | (503) 582-1558 |
| Pacific Habitat Svc 9450 Sw Commerce Cir # 180, Wilsonville 97070 | (503) 570-0800 |
| Pacific Northwest Laboratories Wilsonville 97070 | (503) 570-9436 |