| Name | Deductibility Code |
| Community Chest of Madison | -- |
| Madison County Agricultural Society | -- |
| Madison County Diversion Program | -- |
| Madison County Historical Society of Madison Nebraska | -- |
| Madison Foundation Inc. | 4 |
| Madison Jones & Remender Foundation | -- |
| Madison Junior Wrestling Association Inc. | -- |
| Madison Public Library Foundation | -- |
| Madison Public Schools Foundation | -- |
| Madison Senior Citizens Inc. | -- |
| Northeast Nebraska Juvenile Services Inc. | -- |
| Prairieland Resource Conservation and Development Council | -- |
| Preservation Madison Inc. | -- |
| Stephanies Miracles in Loving Equine Inc. | -- |