| Name | Deductibility Code |
| Atlas of Lyon County | -- |
| Celebration Community Fellowship | -- |
| Central Lyon School Foundation Inc. | -- |
| Friends of the Rock Rapids Library | -- |
| James W and Ella B Forster Charitable Trust | 4 |
| Lyon County Conservation Foundation | -- |
| Lyon County Fair Association | -- |
| Lyon County Historical Society | -- |
| Lyon County Planning Council | -- |
| Merrill Pioneer Community Hospital | -- |
| Murray Trust | 4 |
| Pioneer Medical Center Inc. | -- |
| Rock Rapids Area Development Foundation Inc. | 4 |
| Rock Rapids Kids Club Inc. | -- |
| Rock Rapids Mural Society Inc. | -- |