| Name | Deductibility Code |
| Camelot Camp Inc. | -- |
| Federated Church of Hubbardston | -- |
| First Kingdom Church of Asphodel | -- |
| First Parish Unitarian Church of Hubbardston | -- |
| Hubbardston Community Theatre Inc. | -- |
| Hubbardston Historical Society | -- |
| Hubbardston Youth Baseball | -- |
| Participatory Culture Foundation | -- |
| Ron Burton Training Village Inc. | -- |
| Wachusett Medical Reserve Corps | -- |