| Business | Phone |
| M C Motors 1302 10th St, Rock Valley 51247 | (712) 476-9724 |
| Mc Gill Auto Sales Inc 2222 14th St, Rock Valley 51247 | (712) 476-9937 |
| Valley Motors Inc 2019 10th St, Rock Valley 51247 | (712) 476-9905 |
| Riverside Auto Sales 1422 14th St, Rock Valley 51247 | (712) 476-1090 |