| Name | Deductibility Code |
| Fort Michilimackinac Pageant Inc. | -- |
| Great Lakes Lighthouse Keepers Association | -- |
| Icebreaker Mackinac Maritime Museum Inc. | -- |
| Mackinac Associates | -- |
| Mackinaw Area Historical Society | -- |
| Mackinaw City Skating Association Inc. | -- |
| Mackinaw Memorial Parade Inc. | -- |
| Straits Area Resort Ministry | -- |
| Waugoshance Lighthouse Preservation Society | -- |
| Wawatam Area Senior Citizens | -- |