| Name | Deductibility Code |
| Calhoun County Committee on Aging Inc. | -- |
| Calhoun County Emergency Medical Squad Inc. | -- |
| Calhoun County Family Resource Network Inc. | -- |
| Calhoun County Historical and Genealogical Society Inc. | -- |
| Dream Home Development Inc. | -- |
| Heartwood in the Hills Inc. | -- |
| Mid-Ohio Valley Rural Health Alliance | -- |
| Minnie Hamilton Health Care Center | -- |