| Name | Deductibility Code |
| Ferguson Chapel Presbyterian Church Foundation Inc. | -- |
| Friends of Ferguson Home Inc. | -- |
| Friends of Roman Nose State Park Association | -- |
| Friends of the Library of Watonga Inc. | -- |
| Gospel Alive Church | -- |
| Greenfield Alumni Foundation Inc. | -- |
| Heartland House Inc. | -- |
| Oklahoma Head Start Directors Association | -- |
| Opportunities Development Corporation | -- |
| Opportunities Inc. | -- |
| Watonga Community Theatre Inc. | 5 |
| Watonga Foundation for Academic Excellence Inc. | -- |
| Watonga Health Careers Inc. | -- |
| Watonga Hospital Trust Authority | -- |
| Watonga Ioof Cemetery Fund | 6 |
| Watonga Kiwanis Foundation | -- |
| Watonga Main Street Inc. | -- |
| Watonga Municipal Hospital Foundation Inc. | -- |
| Watonga Senior Citizens Club Inc. | -- |
| West Mount Pleasant Cemetery Inc. | 6 |