| Name | Deductibility Code |
| Bethesda Home Foundation Webster South Dakota Inc. | -- |
| Day County Arts Council | -- |
| Day County Champion Community | -- |
| Lake Area Hospital | -- |
| Lake Area Hospital Foundation Inc. of Webster South Dakota | -- |
| Museum of Wildlife Science & Industry | -- |
| Needs Anonymous Inc. | -- |
| Webster 20 20 Incorporated | -- |
| Webster Alumni Foundation Inc. | -- |
| Webster Area Development Corporation Inc. | -- |
| Webster Area Soccer Association | -- |
| Webster Centennial Committee Inc. | -- |
| Webster Youth Center Inc. | -- |