| Business | Phone |
| Water Watch Irrigation 9 E Langdon Rd, Walla Walla 99362 | (509) 529-8472 |
| Nelson Handline Repair 2415 Wallula Ave, Walla Walla 99362 | (509) 529-8451 |
| Nelson Irrigation Corp 848 Airport Rd, Walla Walla 99362 | (509) 525-7660 |
| Hydro Irrigation District 9 15 N Gose St, Walla Walla 99362 | (509) 526-3775 |