| Name | Deductibility Code |
| College for Every Student Inc. | -- |
| Consortium for Educational Excellence Through Partnerships | -- |
| Cornwall Historical Society Inc. | -- |
| Cornwall Town Library | -- |
| Endowment Fund for the First Congregational Church of Cornwall | -- |
| S & C Harvest Foundation Inc. | 4 |
| South Cornwall Cemeteries Assn | 6 |