| Name | Deductibility Code |
| Gallatin Valley Golf Association | -- |
| Gallatin Valley Livestock | -- |
| Headwaters Trail System | -- |
| Montana Poets Society | 4 |
| Three Forks Area Ambulance Service District | -- |
| Three Forks Bible Church | -- |
| Three Forks Historical Society | -- |
| Three Forks Voluntary Firemens Relief Association | -- |
| Three Rivers Senior Citizen Club Inc. | 5 |