| Name | Deductibility Code |
| A2 Foundation | -- |
| Alpha II Inc. | -- |
| Enid Higher Education Council Inc. | -- |
| Friends of the Tonkawa Public Library | -- |
| Grace Community Church of Tonkawa | -- |
| Northern Oklahoma College Foundation Inc. | -- |
| Tonkawa Education Foundation Inc. | -- |
| Tonkawa Lincoln Center Inc. | -- |
| Tonkawa Renovation Inc. | -- |
| Tonkawa Takedown Club Inc. | -- |