| Name | Deductibility Code |
| Black Hills Bible Camp | -- |
| Black Hills Center of Hope | -- |
| Eagle Mountain Ministries Inc. | -- |
| Friends of the Twin Cities Animal Shelter | -- |
| Historic Deadwood-Lead Arts Council | -- |
| Historic Homestake Opera House Society | -- |
| Homestake Veterans Association | -- |
| Homestake Visitor Center Inc. | -- |
| Lead Library Endowment Inc. | 4 |
| Masonic Cemetery Assn of Lead South Dakota | 6 |
| Mountain Cats Trust | -- |
| Northern Hills Family YMCA | -- |
| Saddle Mountain Ministries | -- |
| South Dakotans for the Arts | -- |
| Twin Cities Church of Christ | -- |
| Twin City Clothing Center | -- |