| Business | Phone |
| Corona-Hernandez Construction Po Box 2724, Walla Walla 99362 | (509) 386-3058 |
| Double T Ltd 1243 Reser Rd, Walla Walla 99362 | (509) 529-4898 |
| Narum Concrete Construction 2027 Carl St, Walla Walla 99362 | (509) 525-5877 |
| Moreno & Nelson Construction 1835 Amelia St, Walla Walla 99362 | (509) 526-5249 |