| Name | Deductibility Code |
| Casa Esther Inc. | -- |
| Friends of the Omro Public Library | -- |
| Friends of the Omro Public Library Inc. | -- |
| Guardian Payee Services Inc. | -- |
| Honor Our Neighbors Origins and Rights Inc. | -- |
| Messiah Evangelical Lutheran Church U A C Inc. | -- |
| Necessities Bag Wisconsin | -- |
| Omro Area Community Center | -- |
| Omro Area Historical Society Inc. | -- |
| Omro Backboard Club Inc. | -- |
| Omro Rushford Volunteer Fire Department | -- |
| Omro Thrift Store Incorporated | -- |
| River of Life Fellowship | -- |
| Santas Closet of Winnebago County Inc. | -- |
| Winnebago County Fair Association | -- |