| Name | Deductibility Code |
| Addvantage Institute Inc. | 4 |
| Afghan Scholars Initiative Foundation | -- |
| African Food & Peace Foundation | -- |
| Alcott School Parent Teacher Group Inc. | -- |
| Alliance for Teen Safety Inc. | -- |
| American International Educators Inc. | -- |
| Angela Arkell Mitchell Foundation for Literature Inc. | -- |
| Animals As Intermediaries Inc. | -- |
| Ashkelon Expedition Inc. | -- |
| Austin F Lyne Charitable Trust | 4 |
| Bacaanda Foundation Inc. | -- |
| Baker Brook Foundation | 4 |
| Barn of Winter Street Inc. | -- |
| Barry & Odile Fidelman Charitable Foundation Tr | 4 |
| Beacon Communications Foundation Inc. | -- |
| Bear Spot Foundation for Equine Facilitated Psychotherapy Inc. | -- |
| Blue Hill Foundation | 4 |
| Boger Charitable Trust | 4 |
| Boston Product Management Association | -- |
| Bright Angel Foundation | 4 |
| Bvm Foundation | 4 |
| C C Pools Inc. | -- |
| Camino Verde Inc. | -- |
| Cammarata Family Foundation | 4 |
| Cape Shore Foundation | -- |
| Caro Research Institute Inc. | 4 |
| Cctv Inc. | -- |
| Center for Environmental Concern Inc. | 4 |
| Charles & Esther Lee Kimerling Charitable Foundation | 4 |
| Charles Butcher Fdn | 4 |
| Charles N and Christina T Stolper Foundation Inc. | 4 |
| Chebeague Island Community Sailing School | -- |
| Childrens Literature New England | -- |
| Childrens Meetinghouse Inc. | -- |
| Citizens Research and Environmental Watch Inc. | -- |
| Committee for the Equality of Women at Harvard Inc. | -- |
| Community Agencies Corp Community Agencies Bldg | -- |
| Community Housing Options Inc. | -- |
| Concord Academy | -- |
| Concord Antiquarian Society | -- |
| Concord Area Special Education Collaborative | -- |
| Concord Art Association | -- |
| Concord Band Association | -- |
| Concord Carlisle Girls Hockey Club | -- |
| Concord Carlisle High School Parents Assoc Inc. | -- |
| Concord Carlisle Volleyball Inc. | -- |
| Concord Childrens Center Inc. | -- |
| Concord Chorus Inc. | -- |
| Concord Conservatory of Music | -- |
| Concord Consortium Inc. | -- |
| Concord Educational Fund Inc. | -- |
| Concord Free Press | 3 |
| Concord Free Public Library | -- |
| Concord Friends of the Aging Corp | -- |
| Concord Housing Development Corp | -- |
| Concord Housing Foundation Inc. | -- |
| Concord Housing Trust Inc. | -- |
| Concord Independent Battery Inc. | -- |
| Concord Land Conservation Trust | -- |
| Concord Middle School Ptg | -- |
| Concord Minute Men Inc. | -- |
| Concord Open Land Foundation Inc. | -- |
| Concord Orchestra Inc. | -- |
| Concord Piecemakers | -- |
| Concord Players Inc. | -- |
| Concord Poetry Center Inc. | -- |
| Concord Prison Outreach Inc. | -- |
| Concord Review | -- |
| Concord Rotary Charitable Endowment Inc. | -- |
| Concord Scout House Inc. | -- |
| Concord Youth Theatre Inc. | -- |
| Concord-Carlisle Boosters Club Inc. | -- |
| Concord-Carlisle Community Chest Inc. | -- |
| Concord-Carlisle Patrons of Performing Students Inc. | -- |
| Concord-Carlisle Youth Baseball Inc. | -- |
| Concord-Carlisle Youth Hockey Inc. | -- |
| Concordconservesorg | -- |
| Concords Home for the Aged | 3 |
| Connolly Family Foundation | 4 |
| Constance A and George L Noble Family Foundation Inc. | 4 |
| Cougar Network Inc. | -- |
| Crawford Idema Fam Foundation Inc. | 4 |
| Cross Foundation | 4 |
| David P Southwell Charitable Foundation | 4 |
| Decibels Charity Corporation | -- |
| Deltaquest Foundation Inc. | -- |
| Design Aid Inc. | -- |
| Direct Change | -- |
| Domestic Violence Services Network Inc. | -- |
| Doug White Memorial Sports and Recreation Fund | -- |
| Dublin Seminar for New England Folklife Inc. | 4 |
| Edvocacy Research Corp | -- |
| Edward W Kane & Martha J Wallace Family Foundation | 4 |
| Emerson Health Care Foundation Inc. | -- |
| Emerson Health System Inc. | -- |
| Emerson Hospital | -- |
| Emerson Practice Associates Inc. | -- |
| Emerson Umbrella Inc. | -- |
| Enabling Support Foundation Inc. | -- |
| Esperanza-Hope for the Children Inc. | -- |
| Fairhaven Preservation Association Inc. | -- |
| Fenn School Inc. | -- |
| Follow Foundation | 4 |
| Freedom Behind Bars Foundation Inc. | -- |
| Friends of Cchs Swimming & Diving | -- |
| Friends of Concord Rural Trails Inc. | -- |
| Friends Of Freddy Inc. | -- |
| Friends of Sleepy Hollow Cemetery Inc. | -- |
| Friends of the Concord Free Public Library Inc. | -- |
| Friends of the Performing Arts in Concord Inc. | -- |
| Friends of Thoreau Country Inc. | -- |
| Friends of Wiqh | -- |
| Gaining Ground Inc. | -- |
| George and Roberta Berry Supporting Organization | -- |
| George D Jones Sr Memorial Foundation | 4 |
| Grant Foundation | 4 |
| Greensburg Kansas Fund | -- |
| Groves Apartments-Deaconess Inc. | -- |
| Gulf Coast Works Inc. | -- |
| Haartz Family Foundation Inc. | 4 |
| Harpswell Foundation | 4 |
| Harvard Class of 1939 Association | -- |
| Harvard Society for the Advancement of Orthodontics | -- |
| Heated Lions Enterprises Incorporated | -- |
| Henry O Peabody School for Girls | 4 |
| Historic Concord Inc. | -- |
| In Kind Inc. | -- |
| Jerico Road Project Inc. | -- |
| John and Dorothy Magee Foundation | 4 |
| Judith Rose Shea Foundation for Ovarian Cancer Inc. | -- |
| Kimbia Foundation Inc. | -- |
| Kremshalom Inc. | -- |
| Latvian Heritage Foundation | -- |
| Laura Foundation | -- |
| Lead Educational Resources Inc. | -- |
| Linda J Verville Cancer Research Foundation Inc. | -- |
| Louisa May Alcott Memorial Association | -- |
| Marie Strain International Peace Foundation | -- |
| Massachusetts Early Intervention Consortium Inc. | -- |
| Massachusetts Juvenile Police Officers Assoc | -- |
| Middlesex School | -- |
| Middlesex School Common Fund | 4 |
| Milldam Nursery School Inc. | -- |
| Minute Man National Park Association Inc. | -- |
| Minuteman Flames Minor Hockey Association Inc. | -- |
| Missionaries of the Holy Cross and Our Lady of Sorrows | -- |
| Monsweag Foundation | 4 |
| More Than Money Inc. | -- |
| Nashoba Brooks School of Concord | -- |
| National Charity League Middlesex Chapter | -- |
| Native American Cultures & Crafts | 3 |
| Neda Malden Senior Living Inc. | -- |
| Neil and Anna Rasmussen Foundation | 4 |
| New England Bicycle Racing Association Inc. | -- |
| New England Deaconess Association | -- |
| New England Deaconess Association- abundant Life Communities Inc. | -- |
| New Life Community Church | -- |
| Northeast Business Environmental Network Inc. | -- |
| Okurowski Family Foundation | 4 |
| Open Table Inc. | -- |
| Paterson Historical Fund | 4 |
| Personal Advocacy and Life Time Support Inc. | -- |
| Picnic-In-The-Park Incorporated | -- |
| Polaroid Foundation Inc. | 4 |
| Pro-Life Alliance of Gays and Lesbians Inc. | -- |
| Purchasing Management Association | -- |
| Radius Ensemble Incorporated | -- |
| Ralph Bradley Prizes | 4 |
| Reggie Lewis Foundation Inc. | -- |
| Restoration Project Inc. | -- |
| Reusit Inc. | -- |
| Robin Kay Wheeler Jean | -- |
| Rylin Charitable Foundation | 4 |
| Save Our Heritage Inc. | -- |
| Segal-Sanders Family Foundation | 4 |
| Sharing Foundation | -- |
| Susan B Anthony Birthplace Corporation | -- |
| The American Dissident Inc. | -- |
| The Concord Womens Chorus Inc. | -- |
| The Crowley Family Charitable Trust | 4 |
| The Dorothy Mara Scholarship Fund Trust | 4 |
| The Groves in Lincoln - Deaconess Inc. | -- |
| The Lloyd Allen Smith Charitable Trust | 4 |
| The Melanoma Foundation of New England Inc. | -- |
| The Minute Man Arc for Human Services Inc. | -- |
| The Organization for the Assabet River Inc. | -- |
| Thoreau Farm Trust Inc. | -- |
| Thoreau School Ptg | -- |
| Thoreau Society Inc. | -- |
| Thornton Family Foundation | 4 |
| Tiedemann Foundation | 4 |
| Town Cow Theater Company | -- |
| Trust U/W Alpine McLean Aka | -- |
| Vineyard Haven Tennis Foundation Inc. | -- |
| Viselaya Foundation Ltd. | 3 |
| Willard Parent Teacher Group | -- |
| Womenade Boston Inc. | -- |
| Womens Well Inc. | -- |
| Young Entrepreneurs Alliance | -- |