| Business | Phone |
| Northwest Grain Growers Inc 2249 Detour Rd, Walla Walla 99362 | (509) 525-0508 |
| Northwest Grain Growers Inc Baker, Walla Walla 99362 | (509) 525-5189 |
| Northwest Grain Growers Inc Ennis Elevator, Walla Walla 99362 | (509) 525-6809 |
| Northwest Grain Growers Inc Eureka Elevator, Walla Walla 99362 | (509) 749-2241 |
| Northwest Grain Growers Inc Reser Elevator, Walla Walla 99362 | (509) 529-0196 |
| Northwest Grain Growers Inc Po Box 310, Walla Walla 99362 | (509) 525-7469 |
| Northwest Grain Growers Inc Tracy Elevator, Walla Walla 99362 | (509) 525-7089 |
| Northwest Grain Growers Inc Valley Grove Elevator, Walla Walla 99362 | (509) 525-1999 |