| Name | Deductibility Code |
| Christian Family Center Inc. | -- |
| Friends of St. Thomas Inc. | -- |
| Friends of the Winneconne Public Library Inc. | -- |
| Wernimont Family Foundation | 4 |
| Winneconne Area Assistance Center Inc. | -- |
| Winneconne Area Education Foundation Inc. | -- |
| Winneconne Area United Fund Inc. | -- |
| Winneconne Community Development Authority | -- |
| Winneconne Historical Society Inc. | -- |
| Winneconne Nursery School Inc. | -- |