| Name | Deductibility Code |
| Almost Home Canine Rescue | -- |
| Arc of South Dakota | -- |
| Bethel Lutheran Home Foundation Inc. | -- |
| Dakota State University Foundation | -- |
| Domestic Violence Network Inc. | -- |
| East Dakota Transit Inc. | -- |
| Ecco Foundation Inc. | -- |
| Every Citizen Counts Organization Inc. East Central Career Opportunit | -- |
| Inter-Lakes Community Action Partnership Inc. | 1 |
| Interlakes Area United Way Corporation | -- |
| Karl E Mundt Historical & Educational Foundation | -- |
| Lake Area Improvement Corporation | -- |
| Lake County Aging Alliance | -- |
| Lake County Food Pantry Inc. | -- |
| Lake County Historical Society | -- |
| Madison After School Care Program Inc. | -- |
| Madison Area Career Learning Center | -- |
| Madison Central School Educational Foundation Inc. | -- |
| Madison Christian School | -- |
| Madison Community Foundation Inc. | -- |
| Madison Community Hospital | -- |
| Madison Nursery School | -- |
| Madison Tennis Association | -- |
| Madison-Cemetery Assn Graceland Cemetery | 6 |
| Oldham Cemetery Association | 6 |
| Prairie Historical Society | -- |
| Refuge Youth Ministries | -- |
| Rural Electric Economic Development Inc. | -- |
| South Dakota Cap Directors Association Inc. | -- |
| St. Thomas School Foundation Inc. | -- |
| The Spirit of Madison Band Parents Inc. | -- |
| Whitecaps Water Protection Foundation | 4 |