| Business | Phone |
| Clayborn Contracting Group Inc 10101 Streeter Rd # B, Auburn 95602 | (530) 268-9512 |
| Phil Reome Inc 13263 Bill Francis Dr, Auburn 95603 | (530) 823-7501 |
| Aero-West Engineering 6184 Grass Valley Hwy, Auburn 95602 | (530) 269-1050 |
| H Fairless Construction Inc 10505 Ophir Rd, Auburn 95603 | (530) 823-6878 |
| Ken Clark Excavating 10732 Rolling Oaks Ct, Auburn 95602 | (530) 823-1151 |
| Magorian Mine Svc 10310 Sierra Hills Ln, Auburn 95602 | (530) 269-1960 |