| Name | Deductibility Code |
| Combined Fund of Ellington Inc. | -- |
| Cool Green World Inc. | -- |
| Ec Resources Ltd. | -- |
| Fox Valley Ferret | -- |
| Great Lakes Irish Setter Rescue | -- |
| Hortonville Football Booster Club | -- |
| Hortonville Girls Hoops Club Inc. | -- |
| Hortonville Historical Society Inc. | -- |
| Hortonville-Union- Cemetery-Assn Inc. | 6 |
| New London Independent Christian School Inc. | -- |
| Soul Purpose Ministry Inc. | -- |
| United Fund of Hortonville Inc. | -- |
| Wecomm Ltd. | -- |
| Wisconsin Dressage and Combined Training Association Inc. | -- |