| Name | Deductibility Code |
| Agricultural and Industrial Heritage Center Inc. | -- |
| Arc of Mercer County | -- |
| Celina Band Boosters | -- |
| Coldwater Band Boosters | -- |
| Coldwater Community Picnic Association | -- |
| Community Hospital Volunteer Association | -- |
| Convent-Shrine Preservation Group Inc. | -- |
| Desch-Sowar Family Foundation | 4 |
| M E D F Physicians Corporation | -- |
| Medical Educational and Development Foundation | -- |
| Mercer County Chapter of the Oh Gen Society | -- |
| Mercer County Emergency Response Volunteers | -- |