| Name | Deductibility Code |
| Academy of Indian Performing Arts Inc. | -- |
| Accutest Inc. | -- |
| Andrea Lee Doty Warren Charitable Tr | 4 |
| Blanchard Stony Brook Productions | -- |
| Central Mass Youth Football & Cheer Conference Inc. | -- |
| Chabad of Nashoba Valley Inc. | -- |
| Chelmsford 24 Hour Relay Challenge Inc. | -- |
| Cure Diabetes Inc. | -- |
| Forgotten Angels Shelter Inc. | -- |
| Friends Advancing Music Education Inc. | -- |
| Friends of Cameron Senior Center | -- |
| Friends of Parkerville Schoolhouse | -- |
| Friends of Westford Academy Ice Hockey Corp | -- |
| Gospel Hall Inc. | -- |
| Greater Lowell Good Friday Walk Inc. | -- |
| Harrill Family Foundation Tr | 4 |
| Jbb Project | -- |
| Karnatik and Hindustani Music Circle - Khmc | -- |
| Ma Stem Collaborative Inc. | -- |
| Massachusetts Association for Psychoanalytic Psychology | -- |
| Massachusetts Association of Conservation Districts | -- |
| Massachusetts Institute for Psychoanalysis Inc. | -- |
| Michael J Lorden Memorial Scholarship | 4 |
| Middlesex County 4 H Fair Inc. | -- |
| Nabnasset Lake Preservation Association | 4 |
| Nashoba Learning Group Inc. | -- |
| Nashoba Valley Jewish Center Inc. | -- |
| National Society of Creative Dyslexics | -- |
| New England Chapter of the Society for Ecological Restoration | -- |
| Nightingale Project | -- |
| Parish Center for the Arts Inc. | -- |
| Patriot Resource Conservation & Development Area Council Inc. | -- |
| Raymond E Riddick Memorial Scholarship Fund Inc. | 4 |
| Real Experience Incorporated | -- |
| Rescued Rottweillers United With Friends and Family Inc. | -- |
| Roudenbush Community Center Inc. | -- |
| Servants for Haiti Inc. | -- |
| Stage Hands Inc. | -- |
| Suzuki Music Schools of Massachusetts Inc. | -- |
| The Bunky Walton Fund Inc. | -- |
| The Childs Well Being Day School Inc. | -- |
| The Friends of the J V Fletcher Library Inc. | -- |
| The Friends of Westford Academy Theater Arts | -- |
| Wat Buddhabhavana of Ma | -- |
| Westford Academy Alumni Association Inc. | -- |
| Westford Academy Athletic Boosters | -- |
| Westford Against Substance Abuse Inc. | -- |
| Westford Ambulance Fund Inc. | -- |
| Westford Charitable Foundation Inc. | -- |
| Westford Chorus | 4 |
| Westford Chorus Inc. | -- |
| Westford Community Access Television Inc. | -- |
| Westford Conservation Trust Inc. | -- |
| Westford Education & Foundation | -- |
| Westford Elementary Parent Teacher Organization Inc. | -- |
| Westford Friends of East Boston Camps Inc. | -- |
| Westford Friends of Lacrosse Inc. | -- |
| Westford Friends of Recreation Inc. | -- |
| Westford Garden Club | -- |
| Westford Historical Society Inc. | -- |
| Westford Land Preservation Foundation Inc. | -- |
| Westford Middle School Parent Teacher Organization Inc. | -- |
| Westford Networks for Education and Technology Inc. | -- |
| Westford Rotary Charitable Endowment Inc. | -- |
| Westford Suzuki School Inc. | -- |
| Westford Youth Basketball Assoc Inc. | -- |
| Westford Youth Soccer Assoc | -- |