| Business | Phone |
| Farmers' Rock Products 9470 Buesing Rd, Klamath Falls 97603 | (541) 798-5672 |
| Jefferson State Rock Products 4815 Tingley Ln, Klamath Falls 97603 | (541) 883-3629 |
| John T Bowers Excavating Llc 1920 Arthur St # 43, Klamath Falls 97603 | (541) 882-7121 |