| Name | Deductibility Code |
| 484 Phi Alpha Foundation Inc. | 4 |
| A-Dog the Arlington Dog Owners Group Inc. | -- |
| Advocates for Home Education in Massachusetts Inc. | -- |
| Alleycat Advocats Corp | -- |
| Alliance of the First Parish Unitarian Universalist Church | -- |
| Arlington Bicycle Club Inc. | -- |
| Arlington Boys Club Inc. | -- |
| Arlington Center for the Arts Inc. | -- |
| Arlington Childrens Center Inc. | -- |
| Arlington Childrens Fund Association | -- |
| Arlington Community Media Inc. | -- |
| Arlington Community Media Inc. | 4 |
| Arlington Community Theater | -- |
| Arlington Educational Enrichment Fund Inc. | -- |
| Arlington Enrichment Collaborative | -- |
| Arlington Friends of the Drama Inc. | -- |
| Arlington Garden Club Inc. | -- |
| Arlington Health & Human Services Charitable Corporation | -- |
| Arlington Heights Nursery School Inc. | -- |
| Arlington High School Alumni Association Inc. | -- |
| Arlington Historical Society | 3 |
| Arlington Hockey & Figure Skating Club Inc. | -- |
| Arlington Land Trust Inc. | -- |
| Arlington Preservation Fund Inc. | -- |
| Arlington Schools Foundation Inc. | -- |
| Arlington Seniors Association Inc. | -- |
| Arlington Soccer Club Inc. | -- |
| Arlington Youth Baseball and Softball Association Inc. | -- |
| Armenian Cultural Foundation | 3 |
| Arms Around Arlington the Center for Cancer Support and Education | -- |
| Assembleia De Deus Renovada De Boston | -- |
| Ballet Academy Inc. | -- |
| Bangla-O-Biswa Inc. | -- |
| Bethany House of Prayer Inc. | -- |
| Bird Observer of Eastern Massachusetts Inc. | -- |
| Boston Area Gleaners Inc. | -- |
| Boston Catholic Conferences Inc. | -- |
| Boston Help Group Inc. | -- |
| Boston Maum Center | -- |
| Brackett After School Program Inc. C/O Thea Galeno | -- |
| Brackett Elementary School Pto | -- |
| Camblar Inc. | 4 |
| Camp Menotomy Trust | -- |
| Children for Uniting Nations Inc. | -- |
| Childrens Room - Center for Greiving Children & Teenagers Inc. | -- |
| Christian Life Fellowship Church Inc. | -- |
| Communications for Learning Inc. | -- |
| Cyrus E Dallin Art Museum Inc. | -- |
| Dallin Elementary School Parent Teacher Organization | -- |
| Deaf Communications Institute Inc. | 4 |
| Decision Partners | -- |
| Discovery Ensemble | -- |
| Edwin Prescott Scouthouse Charitable Trust | 3 |
| Elizabeth and George L Sanborn Foundation for the Treatment and | 4 |
| Ernest Fortin Memorial Foundation Inc. | 4 |
| Exponent II Incorporated | -- |
| Family Folk Chorale Inc. | -- |
| Finlandia Foundation-Boston Inc. | -- |
| Forty Magnolias Productions Inc. | -- |
| Free Books of Boston Inc. | -- |
| Friends of Menotomy Rocks Park Inc. | -- |
| Friends of Robbins Farm Park Inc. | -- |
| Friends of Spy Pond Park | -- |
| Friends of the Arlington Council on Aging Inc. | -- |
| Friends of the Huichol Inc. | -- |
| Friends of the Robbins Library | -- |
| Fringe Magazine Inc. | -- |
| Germaine Lawrence Incorporated | -- |
| Gospel Reach-Out Inc. | -- |
| Green Markets International Inc. | -- |
| Guatemala Aid Fund | -- |
| Hardy Elementary School Pto | -- |
| Home Hold Single Parent Resource Inc. | -- |
| Housing Corporation of Arlington | -- |
| In the Middle Inc. | 4 |
| In-Defense Inc. | -- |
| Integrative Medicine Alliance Inc. | -- |
| Intercultural Center for Research in Education Inc. | -- |
| Irish American Charitable Trust | -- |
| Jaffna College Funds Trustee | -- |
| Japanese Assoc of Greater Boston Inc. | -- |
| Jayatu Sanskritam Inc. | -- |
| Jewish Congregation of Winchester | -- |
| John A Bishop Parent Teacher Organization | -- |
| John Mirak Foundation | 4 |
| Kometa Serbian Childrens Program Inc. | -- |
| Krismark Corporation | -- |
| La Donna Musicale Inc. | -- |
| Liberty Baptist Church | -- |
| Lig-49 Foundation | 4 |
| M Norcross Stratton School Pto | -- |
| Martin Luther King Jr Birthday Observance Com of Arlington Ma Inc. | -- |
| Mass Bay Intergroup | -- |
| Massachusetts House Rabbit Society | 4 |
| Melvina Foundation | 4 |
| Middlesex Canal Association Inc. | -- |
| Middlesex Youth Hockey League Incorporated | -- |
| Mystic River Watershed Association Inc. | -- |
| New England Museum Association Inc. | -- |
| New England Voices Inc. | -- |
| Nipponzan Myohoji-New England Sangha | -- |
| Not-Me | -- |
| Nutrition & Health Partnership Inc. | 4 |
| Ottoson Middle School Parent Advisory Council | -- |
| Peirce School Pto | -- |
| Philharmonic Society of Arlington Inc. | -- |
| Professionals for Parents & Familes | -- |
| Pto Thrift Shop for the Arlington Public Schools | -- |
| Quilters Connection Inc. | -- |
| Retired Mens Club of Arlington Inc. | -- |
| Rich Keshian Memorial Fund | -- |
| Right Turn Biz Inc. | -- |
| Robert F Terry Jr Foundation | -- |
| Rogers Pierce Childrens Center Inc. | -- |
| Samuel J Nigro Charitable Schol Tr | -- |
| Schools for Children Inc. | -- |
| Schwamb Mill Preservation Trust | -- |
| Sleeveless Theatre Inc. | -- |
| Society of the Sons of the Revolution in the Commonwealth of | -- |
| Spiritearth Inc. | -- |
| Sunshine Nursery School Inc. 01-85 | -- |
| Symmes Medical Use Nonprofit Corporation | -- |
| The American Institute for Mindfulness Inc. | -- |
| The Ayvazian-Daghlian Family Charitable Trust | 4 |
| The Brian R McNeil Foundation | -- |
| The Chaplaincy at Choate-Symmes Hospitals Inc. | -- |
| The Dimon Institute Inc. | -- |
| The Drug Policy Coalition of Massachusetts Inc. | -- |
| The Society for Biblical Studies Inc. | -- |
| Theoretical Aspects of Reasoning About Knowledge Inc. | -- |
| Theosophical Society of Boston Mass Besant Lodge | -- |
| Theosophical Society of Boston Trust | -- |
| Todd Andrew Scholarship Fund Trust | -- |
| Transamerica Bike Relay Incorporated | 4 |
| True Story | -- |
| Union of Marash Armenians Inc. | -- |
| Uss Baltimore Ca 68 Reunion Assn | 6 |
| Visiting Nurse & Community Health Inc. | -- |
| Visiting Nurse and Community Health Foundation Inc. | -- |
| Walden Chamber Players Inc. | -- |
| Womens Action for New Directions Education Fund Inc. | -- |
| World Witness Project | -- |
| Zing Foundation Inc. | -- |
| Zoryan Institute for Contemp Armen Research & Documen Inc. | -- |