| Name | Deductibility Code |
| Awareness Incorporation | -- |
| Big Brothers Big Sisters of Ozaukee County Inc. | -- |
| Brookbank Foundation Inc. | 4 |
| Cedar Creek Repertory Company Inc. | -- |
| Childrens Hope Network Inc. | -- |
| Community Learning Center Inc. | -- |
| Cope Services Inc. | -- |
| Exacto Foundation Inc. | 3 |
| Family Enrichment Center of Ozaukee Inc. | -- |
| Family Farm of Ozaukee County Foundation Inc. | -- |
| Family Sharing of Ozaukee Co Inc. | -- |
| Friends of the US S Liberty Memorial Public Library | -- |
| Grafton Area Live Arts Inc. | -- |
| Grafton Athletic Booster Club Inc. | -- |
| Grafton Basketball Club Inc. | -- |
| Grafton Blues Association Ltd. | -- |
| Grafton Community Scholarship Fund Inc. | -- |
| Grafton Gridiron Club Inc. | -- |
| Grafton Medical Foundation Inc. | 4 |
| Grafton Music Parents Inc. | -- |
| Grafton Soccer Club Inc. | -- |
| Grafton Volunteer Fire Department Inc. | -- |
| Hometown Heroes Inc. | -- |
| Inclusion Institute Inc. | -- |
| Lakeshore Symphonic Band Inc. | -- |
| Los Toros Foundation | -- |
| Loveourlambs Inc. | -- |
| Mavis Grob Foundation Inc. | -- |
| Morning Star Montessori | -- |
| Mpi Coin Foundation Inc. | 4 |
| Muttland Meadows Inc. | -- |
| North Shore Academy of the Arts Inc. | -- |
| Northern Cross Science Foundation Inc. | -- |
| Oshc Foundation Inc. | -- |
| Ozaukee Chorus Ltd. | -- |
| Ozaukee Day Care Center Inc. | -- |
| Ozaukee Family Services | -- |
| Palmer Family Foundation Inc. | 4 |
| Portal Industries Inc. | -- |
| Possibility Playground of Ozaukee County Inc. | -- |
| Price Foundation Charitable Trust | 4 |
| Ryan James Anthony Neulreich Foundation Inc. | -- |
| Starting Point of Ozaukee Inc. | -- |
| Tangle Ministries Inc. | -- |
| The Werner and Jermaine Buchel Foundation Inc. | 4 |
| Thorson Elementary School Pto Inc. | -- |
| Ulao Creek Partnership Inc. | -- |
| Vineyard Community Church | -- |
| Volunteer Center of Ozaukee County Inc. | -- |
| Wisconsin Juvenile Officers Association Inc. | -- |
| Wisconsin Narcotics Officers Association Inc. | -- |
| Wisconsin Rockhounds Select Baseball Club Inc. | -- |
| Womens Lifeline Inc. | -- |
| Woodview Parent Teacher Group | -- |
| Zaun Memorial Foundation Ltd. | 4 |