| Name | Deductibility Code |
| Agatha T Ulrich Foundation Inc. | 4 |
| All Gods Children Inc. Christ the King Lutheran Church | -- |
| Alleluia Singers | -- |
| Broom Tree Ministries Inc. | -- |
| Clearview Home Corporation | -- |
| Cushing Parent-Teacher Organization Pto | -- |
| David A and Agatha T Ulrich Foundation Inc. | 4 |
| Delafield Library Capital Fund Inc. | -- |
| Donald L & Valerie D Gottschalk Foundation | 4 |
| Father Keyser Education Fund | 4 |
| Friends of Lapham Peak Unit | -- |
| Friends of the Delafield Public Library | -- |
| Greater Delafield Community Fund Inc. | -- |
| Hawks Inn Historical Society Inc. | -- |
| Historial Preservation Foundation Inc. | -- |
| Jonahs Journey Inc. | -- |
| Kettle Moraine Curling School Inc. | -- |
| Lake Country Family Church Inc. | -- |
| Metro Milwaukee Womens Hockey Inc. | -- |
| Mustard Seed Foundation of Delafield Inc. | 4 |
| National Class A Scow Association Inc. | -- |
| Oconomowoc Bible Fellowship | -- |
| Old Boy and Alumni Association Scholarship Tr | -- |
| Old Boys Scholarship Foundation | 4 |
| Parents Club of St. Johns Military Academy Inc. | -- |
| Pastors Retreat Network Inc. | -- |
| Pediatric Neurotransmitter Disease Association Inc. | -- |
| Schallock Foundation | 4 |
| Schoenauer Family Foundation Inc. | 4 |
| St. Johns Military Academy Foundation Inc. | -- |
| St. Johns Northwestern Military Academy Inc. | -- |
| Summer Stage of Delafield Inc. | -- |
| Wisconsin Naval Academy Parents Association Inc. | -- |
| Wisconsin Veterans Memorial | 4 |