| Name | Deductibility Code |
| Amonsoquath Tribe of Cherokee | -- |
| Cave Spring Cemetery | 6 |
| Council on Aging of Oregon County | -- |
| Downtown Thayer Inc. | -- |
| Fun and Friends of Thayer Area | -- |
| George D Hay Country Music Hall of Fame & Museum | -- |
| L I F E House Inc. | -- |
| Oregon County Country Music Theater Inc. | -- |
| Oregon County Food Pantry | -- |
| Oregon County Recycling Association | -- |
| Ozark Volunteers Inc. | -- |
| Ozarks Christain Academy | -- |
| Saponi Nation of Missouri Mahenips Band | -- |
| Shooting Stars | -- |
| Society for Effective Evangelism Inc. | -- |
| Thayer Athletic Improvement Organization | -- |
| Thayer Cares Inc. | -- |
| Thayer Community Betterment Assoc | -- |
| Thayer Public School Foundation | -- |
| Thayer Rural Fire Department | -- |