| Name | Deductibility Code |
| A Friends House Inc. | -- |
| Beagles Rrrrrr US Inc. | -- |
| Central Ohio Hot Jazz Society | -- |
| Community Pathfinders Inc. | -- |
| Darby Creek Matters Inc. | -- |
| Food Thru Faith Inc. | -- |
| Friends of Madison County Parks and Trails | -- |
| Friends of Madison Lake | -- |
| Friends of the London Public Library | -- |
| Greater Bethel Apostolic Assembly | -- |
| Humane Society of Madison County | -- |
| International Pentecostal Church of Christ | 1 |
| John Scott Evangelistic Association | -- |
| London Bicentennial Inc. | -- |
| London Schools Foundation Incorporated | -- |
| Loving Care Hospice Inc. | -- |
| Madison Area Youth Center Inc. | -- |
| Madison Clark County Christian Academy Inc. | -- |
| Madison Community Housing Incorporated | -- |
| Madison Conservation Foundation Inc. | -- |
| Madison County Arts Council Inc. | -- |
| Madison County Community Hospital | -- |
| Madison County Health Partners Inc. | -- |
| Madison County Historical Society Inc. | -- |
| Madison County Hospital Foundation Inc. | -- |
| Madison County Hospital Inc. | -- |
| Madison County Senior Citizens Center Inc. | -- |
| Madison County Sheriffs Association | -- |
| Madison County Stingers Baseball Club | -- |
| Madison County Veterans Memorial Foundation | 3 |
| Madison County Vineyard Inc. | -- |
| Madison Family Health Corporation | -- |
| Matco Industries Inc. | -- |
| Ministry for Community | -- |
| New Life Fellowship Inc. | -- |
| Norodom Chanransey Heritage Foundation | -- |
| Oak Hill Cemetery Association | 6 |
| Olive Branch Housing Inc. | 4 |
| Olive Branch Learinng Center | -- |
| Retrouvaille Columbus | -- |
| Seal - Support & Education for Amputees & Loved Ones | -- |
| The London Area Baseball Council Inc. | -- |
| Watt Khmer Puthipreak | -- |