| Name | Deductibility Code |
| Big Timber Community Food Bank | -- |
| Community Outdoor Recreation Association | -- |
| Friends of Dormix Park | -- |
| Friends of the Big Timber Carnegie Public Library Inc. | -- |
| Hearts & Hands Hospice | -- |
| Kingdom Camp Inc. | -- |
| Lair Family Foundation Inc. | 4 |
| Sky Center Inc. | -- |
| Sweet Grass County Combined Campaign | -- |
| Sweet Grass County Museum Society | -- |
| Sweet Grass Health and Wellness Foundation | -- |
| Sweet Grass Health Care Foundation Inc. | -- |