| Name | Deductibility Code |
| 495 Metrowest Corridor Partnership Charitable Tr | -- |
| Adoption Community of New England Inc. | -- |
| Al-Anon Family Groups of Mass Inc. | -- |
| Assabet Valley Christian Fellowship | -- |
| Assabet Valley Pastoral Counseling Center Inc. | -- |
| Carlin Charron & Rosen Charitable Foundation Inc. | 4 |
| Cathy Gray Memorial Fund Inc. | -- |
| Cedar Swamp Conservation Tr | -- |
| Center for Technology Commercialization Inc. | -- |
| Chris and Jean Egan Foundation | 4 |
| Christian Assciation of Youth Mentoring Inc. | -- |
| Cnu New England Inc. | -- |
| Congregation Bnai Shalom Inc. | -- |
| Conservation Services Grp | -- |
| Eastern Massachusetts Chapter American Theatre Organ Society Inc. | -- |
| Egan Family Foundation | 4 |
| Encourage Inc. | 4 |
| Fales Parent Group Inc. | -- |
| Forbes Kirkside Foundation Inc. | 4 |
| Freinds of Westborough State Hospital Inc. | 4 |
| Friends of Kyrgyzstan | -- |
| Gibbons Parent Group | -- |
| Greater Westborough Foundation for Women and Children Inc. | -- |
| Hastings Parent Group | -- |
| In Your Shoes | -- |
| Kidswin Inc. | -- |
| Kira Institute Inc. | 4 |
| Lubavitch Chabad of Westborough Inc. | -- |
| Mass Save Inc. | -- |
| Massachusetts Animal Coalition Inc. | -- |
| Mill Pond Parent Group | -- |
| New Hope Chapel Inc. | -- |
| Norman and Eleanor Rabb Charitable Foundation | 4 |
| Paul C Richards & Gladys Richards Charitable Foundation | 4 |
| Post 85 Emergency Service Squad Inc. | -- |
| Rhode Island Computer Museum Inc. | -- |
| Robin Kaplan Memorial Fund | -- |
| Samuel Huntington Fund | 4 |
| Seven Hills Symphony Inc. | -- |
| Sigel Family Foundation | 4 |
| Ted and Ruth Johnson Family Foundation | 4 |
| The Friends of the Nathan Fisher House Inc. | -- |
| The Westborough Players Club Inc. | -- |
| Visiting Nurse Associations of Massachusetts Inc. | -- |
| Wastecap of Massachusetts Inc. | -- |
| Westboro Amateur Hockey Association Inc. | -- |
| Westborough Athletic Booster Assoc Inc. | -- |
| Westborough Community Land Trust Inc. | -- |
| Westborough Education Foundation Inc. | -- |
| Westborough Food Pantry Inc. | -- |
| Westborough Garden Club | -- |
| Westborough Gulf War Memorial Fund Inc. | -- |
| Westborough Historical Society | -- |
| Westborough Music Parents Association Inc. | -- |
| Westborough Rotary Fund Inc. | 4 |
| Westborough Tv Inc. | -- |
| Youth Tennis Foundation of New England | -- |