| Name | Deductibility Code |
| Alverno Housng Corporation | -- |
| American Maritimes Academy of Art | -- |
| Catsnip | -- |
| Council for the Performing Arts | -- |
| Friends of Jefferson Area Seniors | -- |
| Greenwood Cemetery Assn of Jefferson | 6 |
| Humane Society of Jefferson County Inc. | -- |
| Jefferson Area Food Pantry Inc. | -- |
| Jefferson Cab Committee | -- |
| Jefferson Community Foundation Tr Ua 06091999 | -- |
| Jefferson County Christmas Neighbors Inc. | -- |
| Jefferson County Literacy Council Inc. | -- |
| Jefferson Fire Dept | 6 |
| Nami Jefferson County Inc. | -- |
| People Against Domestic Abuse of Jefferson County Inc. | -- |
| Racer Placers Inc. | -- |
| Rainbow Hospice Care Inc. | -- |
| Rainbow Hospice Care Inc. | -- |
| Rainbow Hospice Foundation Inc. | -- |
| Rainbow Hospice Foundation Inc. | -- |
| Rock River Coalition Inc. | -- |
| Rock River Free Medical Clinic Inc. | -- |
| Sparling Theatrical Productions Inc. | -- |
| St. Coletta of Wisconsin Charitable Foundation Inc. | -- |
| Tau Crossing Housing Corporation | -- |
| Tau Crossing Housing Corporation II | -- |
| Toby J Tully Foundation | 4 |
| Tomorrows Hope Inc. | -- |
| Town and Country Resource Conservation and Development Inc. | -- |
| Town of Sullivan Historical Society Inc. | -- |
| Union Cemetery Association | 6 |