| 10 Wheelers Division |
Michigan, USA |
| Black Swamp Division |
MI & OH, USA |
| Blissfield Model Railroad Club |
Blissfield, Michigan, USA |
| Capital Division |
Michigan, USA |
| Clinton River Division |
Michigan, USA |
| Detroit Model Railroad Club |
Holly, Michigan, USA |
| Grand Rails Division |
Michigan, USA |
| Grand Rapids Model Railroad Historical Society |
Grand Rapids, Michigan, USA |
| Gratiot Valley Railroad Club |
Mount Clemens, Michigan, USA |
| Great Lakes Division of the TCA |
IN, KY, MI, OH, & ON, USA & Canada |
| Lanes & Pines Division of the TCA |
MI, MN, ND, SD, & WI, USA |
| Lansing Model Railroad Club |
Lansing, Michigan, USA |
| Michiana Division |
IN & MI, USA |
| Motor City Division |
Michigan, USA |
| NMRA Midwest Region |
IL, IN, KY, MI, & WI, USA |
| NMRA North Central Region |
IN, MI, & OH, USA |
| Rails on Wheels |
Saline, Michigan, USA |
| SW Michigan Division |
Michigan, USA |
| Tip of the Mitt Division |
Michigan, USA |
| Winnebagoland Division |
MI & WI, USA |
