| Name | Deductibility Code |
| Aigo International Inc. | -- |
| Ayoutli Wildlife Center Inc. | -- |
| Becky Werner Foundation Inc. | -- |
| Brooklife Church Inc. | -- |
| Brother Bobs Outreach Inc. | -- |
| Clarendon Avenue School Parent Teacher Group | -- |
| East Troy Learning Center Incorporated | -- |
| East Troy Youth Football League Inc. | -- |
| Friends of the Mukwonago Library Inc. | -- |
| Ftt Foundation Incorporated | -- |
| Golden Retriever Rescue of Wisconsin | -- |
| Jr Indians Baseball Club | -- |
| Midwest Bible Church Phantom Lake Bible Camp | -- |
| Mukwonaco Catastrophic Medical Fund Inc. | -- |
| Mukwonago Area Public Schools Education Foundation Inc. | -- |
| Mukwonago Community Commission | -- |
| Mukwonago Food Pantry | -- |
| Mukwonago Historical and Museum Society Inc. | -- |
| Mukwonago Nursery School Inc. | -- |
| Mukwonago United Church of Christ | -- |
| Mukwonago Wrestling Club Inc. | -- |
| Mukwonago Youth Football Inc. | -- |
| Natures Classroom Institute of Wisconsin Inc. | -- |
| Norris Adolescent Center | -- |
| O J Noer Research Foundation Inc. | -- |
| Phantom Lake YMCA Camp Inc. | -- |
| Rolling Hills Parent Teacher Organization | -- |
| Section School Parent Teacher Group | -- |
| Seniors on the Go Inc. | -- |
| Southeastern Wisconsin Alpine Team Racing Inc. | -- |
| St. Dystonia Inc. | -- |
| Telling the Truth Inc. | -- |
| Tom Berg Community Center Inc. | -- |
| US Central Search and Rescue Inc. | -- |
| Waukesha Kennel Club Inc. | -- |
| William A Ketterer & Paul A Ketterer Foundation Inc. | 4 |
| Wisconsin Special Response Team A Inc. | -- |