| Name | Deductibility Code |
| Black-Periman Foundation | 4 |
| Ciel Foundation | 4 |
| Gombe School of Environment and Society - USA Inc. | -- |
| Grand Teton National Park Foundation | -- |
| Grand Teton Natural History Association | -- |
| Jackson Hole Ranch Conservancy Foundation | 3 |
| Moose Day Care Centers Inc. | -- |
| Murie Center | -- |
| Richard Black Foundation | 4 |
| Snake River Conservancy Foundation | 3 |