| Business | Phone |
| Diesel Doctor 12300 County Rd 8010, Rolla 65401 | (573) 467-0109 |
| I 44 Truck Ctr 11554 Dillon Outer Rd, Rolla 65401 | (573) 368-7311 |
| Iron Horse Diesel Tech 10181 County Road 2000 # C, Rolla 65401 | (573) 364-0069 |
| Jones Diesel Repair Rr 5, Rolla 65401 | (573) 364-1112 |
| Midway Service 12195 County Road 3230, Rolla 65401 | (573) 265-1905 |
| Whitehead's Truck Svc 11715 County Rd 8010, Rolla 65401 | (573) 341-2424 |