| Name | Deductibility Code |
| Broadus Prca Let R Buck Rodeo Nonprofit Corporation | -- |
| Broadus Radio Inc. | -- |
| International Organic Inspectors Association | -- |
| Powder River Area Economic Development Council Inc. | -- |
| Powder River Health Care Association Inc. | -- |
| Powder River Historical Society | -- |
| Powder River Manor Charitable Trust | -- |
| Powder River Mind & Body Fitness Center | -- |
| Powder River Wagon Trains and Cattle Drive Inc. | 6 |
| School Community Development Council | -- |
| Steve Held Foundation Inc. | -- |
| Tri-County Special Education Cooperative | -- |