| Name | Deductibility Code |
| Cape Mission Inc. | -- |
| Dream Bikes Inc. | -- |
| Island Church Foundation Inc. | -- |
| Karl Junginger Foundation Inc. | 4 |
| Muehrcke Family Foundation | 4 |
| Oak Hill Cemetery Association | 6 |
| Trek Scholarship Foundation Inc. | 4 |
| Waterloo Adult Athletic Booster Club | -- |
| Waterloo Area Historical Society Inc. | -- |
| Waterloo Youth Sports Organization | -- |
| Wisconsin Agricultural Growth Foundation Inc. | -- |