| Business | Phone |
| Agrium Inc 227515 E Bowles Rd, Kennewick 99337 | (509) 586-0511 |
| Horizon Ag-Products 6855 W Clearwater Ave F, Kennewick 99336 | (509) 783-0279 |
| Horse Heaven Fertilizer 1020 S Clodfelter Rd A, Kennewick 99338 | (509) 627-3917 |
| J R Simplot Co 227120 E Hedges Rd, Kennewick 99337 | (509) 585-8512 |
| Kerley Tessenderlo Inc Chemical Dr, Kennewick 99336 | (509) 586-9148 |