| Name | Deductibility Code |
| Center of Tomorrows Future Inc. | -- |
| Gracious Friends Animal Sanctuary Inc. | -- |
| Heuvelton Cemetary Association Inc. | 6 |
| Heuvelton Development Corporation | -- |
| Heuvelton Free Library Association | -- |
| Heuvelton Historical Association | -- |
| Heuvelton Volunteer Fire Company Inc. | -- |
| Oswegathie Development Corporation | -- |