All Companies
| Company Name | Location |
|---|---|
| Sylvan Vale Nursery Ltd | Black Creek, Oregon |
| T Bar L Forest Management | |
| TacAero | Hood River, Oregon |
| Tall Timber Silviculture | Scotts Mills, Oregon |
| Tall Tree Forests | Oregon City, Oregon |
| Tanglewood Timber Products | Dallas, Oregon |
| Tausch Forest Consulting LLC | Portland, Oregon |
| Taylor Gardens | Sheridan, Oregon |
| TDS Equipment | Hermiston, Oregon |
| Team Brightwood | Redmond, Oregon |
| Tecna Industries | McMinnville, Oregon |
| TECO - Inspection & Testing | Eugene, Oregon |
| Ted Hays' Signs | Enterprise, Oregon |
| Terra Tech | Eugene, Oregon |
| Terry Anderson Woodworking | Portland, Oregon |
| Terry Bostwick Woodworking | West Linn, Oregon |
| Terry Neuenschwander Logging | Ashland, Oregon |
| Tetrapod Wildlife Consulting | Philomath, Oregon |
| The Arborist, Inc. | Ashland, Oregon |
| The Beck Group | Portland, Oregon |