| Name | Deductibility Code |
| Island Community Center Inc. | -- |
| Island Fishermens Wives Association | -- |
| Island Medical Center | -- |
| Maine Institute of Marine Biomedical Research | -- |
| Opera House Arts | -- |
| Penobscot East Resource Center Inc. | -- |
| Stonington Fisheries Alliance Inc. | -- |
| Stonington Public Library | -- |
| Stonington Quarry Museum Inc. | -- |