| Business | Phone |
| Baker Environmental Inc 221 N Central Ave # 282, Medford 97501 | (541) 779-1404 |
| Cascade Earth Sciences Ltd 225 S Holly St, Medford 97501 | (541) 779-2280 |
| Coleman Creek Consulting Inc 6900 Coleman Creek Rd, Medford 97501 | (541) 535-7108 |
| Environmental Consultants 4393 Pioneer Rd, Medford 97501 | (541) 512-0776 |
| Environmental Resources Inc 2460 Hillcrest Rd, Medford 97504 | (541) 618-5298 |
| Environmental Technical Svc 920 Mason Way, Medford 97501 | (541) 779-2646 |
| Western States Environmental 190 N Ross Ln, Medford 97501 | (541) 770-2482 |