| Name | Deductibility Code |
| Bethel Undenominational Church | -- |
| Gordon and Gayle Miller Foundation | 4 |
| Heaven Sent Community Ministries Inc. | -- |
| Hotchkiss Homes | -- |
| Jean Patrick Memorial Student Loan Fund | -- |
| Marlette Community Hospital Auxiliary | -- |
| Marlette Historical Society Inc. | -- |
| Marlette Regional Hospital | -- |
| Sanilac Economic Alliance | -- |
| Sonray Youth & Family Inc. | -- |
| Technical Assistance Mission Inc. | -- |
| Thumb Area Employment and Training Consortium | -- |
| Thumb Land Conservancy | -- |