| Business | Phone |
| Columbia Foods Farm Shop 10410 Rd 15 Nw, Quincy 98848 | (509) 787-4725 |
| Columbia Foods Inc 10504 State Route 28 W, Quincy 98848 | (509) 787-1585 |
| J R Simplot Co 220 Road J Nw, Quincy 98848 | (509) 787-3300 |
| Quincy Foods 222 Columbia Way, Quincy 98848 | (509) 787-4521 |
| Lamb-Weston Inc 1005 E St Sw, Quincy 98848 | (509) 787-3567 |