| Name | Deductibility Code |
| Boys & Girls Club of the Three Affiliated Tribes | -- |
| Earthlodge Incorporated | -- |
| Fort Berthold | -- |
| Fort Berthold Coalition Against Domestic Violence | -- |
| Lakeside Senior Citizens | -- |
| Mandan Hidatsa & Arikara Elders Organization | -- |
| New Town Health Support Corporation | -- |
| North Dakota Legal Services Inc. | -- |
| Three Affiliated Tribes Museum Inc. | -- |
| Upper Missouri River Intertribal Allottees Association | -- |