| Name | Deductibility Code |
| Passages | -- |
| Pine Valley Foundation Inc. | -- |
| Pleasant Ridge Church and Cemetery Association | 6 |
| Richland County Campus Foundation Ltd. | -- |
| Richland County Fairground Improvement Committee | -- |
| Richland County Historical Society Inc. | -- |
| Richland School District Foundation Inc. | -- |
| University of Wisconsin Center Richland Alumni Association | -- |