| Name | Deductibility Code |
| Community Dialogues | -- |
| Fred Sandback Archive | 3 |
| Friends of the Harrisville Fire Service Inc. | -- |
| Friends of the Harrisville Public Library Inc. | -- |
| Garden Club of Dublin N H | -- |
| Harrisville Childrens Center | -- |
| Harrisville Community Fund | -- |
| Harrisville Pond Association | -- |
| Historic Harrisville Inc. | -- |
| Institute for Strategic Clarity | -- |
| Mountain Missionary Institute Inc. | -- |
| New England Wellness and Educational Center Inc. | -- |
| Silver Lake Land Trust | -- |