| Name | Deductibility Code |
| Allendale County Alive | -- |
| Allendale County Prevention Council | -- |
| Allendale County Rescue Squad Inc. | -- |
| Allendale Fire Departments Ladies Auxiliary | -- |
| Allendale Neighborhood Development Corporation | -- |
| Communities in Schools of Allendale County | 4 |
| Community Promise | -- |
| Greater Savannah River Community Foundation | -- |
| New Life Pentecostal Holiness House of Love | -- |
| Salkehatchie Arts | -- |
| Tri County Crisis Pregnancy Center | -- |
| United Way of Allendale County Inc. | -- |
| Western Carolina Higher Education Commission | -- |