| Name | Deductibility Code |
| American-European Greyhound Alliance Inc. | -- |
| Barnabas Ministries Inc. | -- |
| Baypath Humane Society of Hopkinton Inc. | -- |
| Center for Integrative Veterinary Care Inc. | -- |
| Church of His Coming | -- |
| Consider the Children Divorce Education Inc. | -- |
| Cultural Arts Alliance | -- |
| Dolce Family Foundation Tr | 4 |
| East Blackstone Quaker Meeting House & Cemetery Historical | -- |
| Enter Stage Left Theater Inc. | -- |
| Equine Partners Inc. | -- |
| Fc Blazers | -- |
| First Congregational Church of Hopkinton | -- |
| Friends of Hiller Hockey | -- |
| Friends of the Hopkinton Seniors | 4 |
| Greyhound Friends Inc. | -- |
| Gurmat Sangeet Project | -- |
| Highland Glee Club of Newton | -- |
| Hopkinton Athletic Association Inc. | -- |
| Hopkinton Community Access and | -- |
| Hopkinton Community Endowment Inc. | -- |
| Hopkinton Community Housing Task Force Inc. | -- |
| Hopkinton Education Foundation Inc. | -- |
| Hopkinton High School Athletic Boosters Club | -- |
| Hopkinton Historical Society | -- |
| Hopkinton Music Association | -- |
| Hopkinton Public Library Friends Inc. | -- |
| Hopkinton Scout Leaders Association Inc. | -- |
| Hopkinton Soccer Association | -- |
| Johnson Foundation Inc. | 4 |
| Lake Maspenock Preservation Assoc | -- |
| Metrowest Symphony Orchestra Inc. | -- |
| Mezitt Horticultural Foundation Inc. | 4 |
| Nancy Conger Weldon Charitable Foundation Inc. | 4 |
| New England Laborers Training Trust Fund | -- |
| Partners-In-Service | -- |
| Piano Museum | -- |
| Poundhounds Inc. | -- |
| Sargent Family Foundation Inc. | 4 |
| The Hopkinton Public Library | -- |
| The Kevin Crowe Memorial Fund Inc. | -- |
| Trustees of the School Fund in the Town of Hopkinton Massachusetts | 4 |
| Vineyard Church of Hopkinton | -- |
| Women Win Foundation Inc. | -- |