| Name | Deductibility Code |
| Charlestown Ambulance Attendants Association | -- |
| Charlestown Bible Church | -- |
| Charlestown Historical Society Inc. | -- |
| Charlestown N H Rotary Foundation Inc. | -- |
| Charlestown Police Association Inc. | -- |
| Charlestown Senior Citizens Club | -- |
| Claremont Boxing Club | -- |
| Connecticut River Joint Commissions Inc. | -- |
| Fall Mountain Educational Endowment Association | -- |
| Old Fort-4 Associates | -- |
| Student Conservation Association Inc. | -- |
| Therapeutic Recreational Adventures in Learning | -- |
| West Central Cornerstone Christian School | -- |