| Business | Phone |
| Action Plumbing 912 S 3rd Ave, Walla Walla 99362 | (509) 525-2149 |
| Advanced Plumbing 4538 Stateline Rd, Walla Walla 99362 | (509) 529-1349 |
| Vickroy's Plumbing 628 Blalock Dr, Walla Walla 99362 | (509) 525-4053 |
| Tims Plumbing 1723 Evergreen St, Walla Walla 99362 | (509) 529-1927 |
| Burgin Mechanical 1104 N 12th Ave, Walla Walla 99362 | (509) 529-0284 |
| Rude & Sons Construction 1519 Whiteley Rd, Walla Walla 99362 | (509) 525-5099 |
| D J Plumbing 661 Newtown Rd, Walla Walla 99362 | (509) 525-1197 |
| Mike Harvey's Plumbing Svc 1024 S 2nd Ave, Walla Walla 99362 | (509) 525-1039 |
| Ken Adams Plumbing 906 N 9th Ave, Walla Walla 99362 | (509) 529-7389 |
| Kendall Plumbing 794 County Road 448, Walla Walla 99362 | (509) 525-3528 |
| Johnson Plumbing Co Inc 821 Airport Rd, Walla Walla 99362 | (509) 529-2015 |
| Harry Johnson Excavation 5774 Russell Creek Rd, Walla Walla 99362 | (509) 525-7203 |
| H Johnson Plumbing Co Inc 5774 Russell Creek Rd, Walla Walla 99362 | (509) 529-4700 |
| Gary Aichele Plumbing Inc 2225 E Isaacs Ave, Walla Walla 99362 | (509) 525-0557 |