| Name | City | State |
| Simplot Grower Solutions | Burns | OR |
| Pacific Harvest | Cornelius | OR |
| North Central Ag | Dufur | OR |
| Wallowa County Grain Growers | Enterprise | OR |
| Simplot Grower Solutions | Halsey | OR |
| Pendleton Grain Growers | Hermiston | OR |
| Sand Hollow Ag Supply, Inc. | Hermiston | OR |
| Simplot Grower Solutions | Independence | OR |
| Wallowa County Grain Growers | Island City | OR |
| Island City PGG | Island City | OR |
| Or Cal Chemical Company, Inc. | Junction City | OR |
| SureCrop | Junction City | OR |
| Helena Chemical Co. | Medford | OR |
| Basin Fertilizer & Chemical Co. | Merrill | OR |
| Complete Fertilizer Chemical | Milton Freewater | OR |
| Simplot Grower Solutions | Nyssa | OR |
| Simplot Grower Solutions | Ontario | OR |
| Western Stockmen's Inc. | Ontario | OR |
| Land View Fertilizer | Ontario | OR |
| Pendleton Grain Growers | Pendleton | OR |
| Columbia Grain Inc. | Portland | OR |
| Helena Chemical Co. | Seayton | OR |
| Marion Ag Service | St. Paul | OR |
| Helena Chemical Co. | Stayton | OR |
| Simplot Grower Solutions | Umatilla | OR |
| Western Stockmen's Inc. | Umatilla | OR |
