| Name | Deductibility Code |
| Aleitheia Bible Church Inc. | -- |
| Amazon Medical Project Inc. | -- |
| Calvary Community Chapel of Mazomanie Inc. | -- |
| Iron Horse Cornet Band and Light Opera Company | -- |
| Kindred Spirits | -- |
| Mazomanie Historical Society Inc. | -- |
| Mazomanie Repetory and Renovating Company Ltd. | -- |
| Numismatists of Wisconsin | -- |
| River Valley Youth Football Inc. | -- |
| Sauk Prairie Nursery Center Inc. | -- |
| Trails Home Labrador Retriever Rescue of Wisconsin Inc. | -- |
| Vanguard Pride | -- |