Nonprofits in Massachusetts
Nonprofits in Massachusetts. Browse 52,168 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Boston Groundwater Trust
EIN 201941686 · Headquarters: BOSTON, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Group for Psychoanalytic Studies Inc
EIN 260830840 · Headquarters: CAMBRIDGE, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Boston Guthi Foundation Inc
EIN 333947661 · Headquarters: Arlington, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Boston Hamilton House Inc
EIN 042551323 · Headquarters: DORCHESTER, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2015 · Primary form: IRS Form 990
- Boston Harbor Now Inc
EIN 043268863 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Harbor Yacht Club Inc
EIN 042310374 · Headquarters: South Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Boston Harborwolves Junior Hockey Inc
EIN 043419411 · Headquarters: Charlestown, MA, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Boston Healin Hands
EIN 260612842 · Headquarters: Marion, MA, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Boston Health and Creative Arts Institute
EIN 271766735 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Boston Health Care for the Homeless Program Inc
EIN 043160480 · Headquarters: BOSTON, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Healthcare Employee Recreations Association
EIN 475082031 · Headquarters: Jamaica Plain, MA, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Boston Help Group Inc
EIN 042909659 · Headquarters: Arlington, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Boston Herald Graphic Communications Intl Union Lcl 600 H & W Fund
EIN 222488778 · Headquarters: FOXBORO, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Boston Herald-boston Mailers Union No 1 Health and Welfare Fund
EIN 042878939 · Headquarters: FOXBORO, MA, USA · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Boston Herald-boston Newspaper Printing Pressmen's Union No 3
EIN 042801341 · Headquarters: FOXBORO, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Boston Herald-teamsters Local 25 Health & Welfare Fund
EIN 042801343 · Headquarters: FOXBORO, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990
- Boston Higashi School Inc
EIN 222803661 · Headquarters: RANDOLPH, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston High School Education Corp
EIN 812487025 · Headquarters: Lexington, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Boston History Center and Museum Inc
EIN 043027858 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Boston Home Network Inc
EIN 881205703 · Headquarters: EVERETT, MA, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Boston Homeowner Services Collaborative Inc
EIN 237420526 · Headquarters: DORCHESTER, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Hostel Business Trr
EIN 276919576 · Headquarters: SOMERVILLE, MA, US · Housing & Shelter · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Boston Housing Police Patrolmans Association
EIN 900720829 · Headquarters: Jamaica Plain, MA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Boston Hub Society
EIN 880583636 · Headquarters: MARBLEHEAD, MA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Boston Human Rights Institute Inc
EIN 223045883 · Headquarters: CAMBRIDGE, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- Boston Hurricanes Athletic ClubInc
EIN 550790701 · Headquarters: Newton Center, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- Boston Impact Initiative Fund
EIN 821543658 · Headquarters: JAMAICA PLAIN, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Independent Drivers Guild Inc
EIN 844691673 · Headquarters: NEWTON, MA, USA · Employment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Boston Indian Community Development
EIN 222586248 · Headquarters: Jamaica Plain, MA, USA · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-EZ
- Boston Indie Mafia Inc
EIN 473319577 · Headquarters: Arlington, MA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Boston Inner City Youth Tennis Program Inc
EIN 263356404 · Headquarters: DORCHESTER, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Boston Innovation Community In
EIN 931868925 · Headquarters: BOSTON, MA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Boston Institute for Advanced Dental Education Inc
EIN 204992842 · Headquarters: WELLESLEY, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Boston Institute for Psychotherapy Inc
EIN 042504178 · Headquarters: DEDHAM, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2015 · Primary form: IRS Form 990
- Boston Institute of Global Wellness and Education Inc
EIN 814522832 · Headquarters: SOUTH EASTON, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Boston International Association Inc
EIN 262261878 · Headquarters: Boston, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Boston International Foundation for Medical Exchange Inc
EIN 043289828 · Headquarters: Canton, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Boston International Turner Syndrome Summit
EIN 810692862 · Headquarters: Mansfield, MA, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Boston Interpreters Collective
EIN 273905129 · Headquarters: Malden, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Boston Intl Symphone Orchestra Inc
EIN 332863721 · Headquarters: Waltham, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Boston Investment Professionals Association Inc
EIN 273007606 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Boston Irish Wolfhounds Rugby Football Foundation Inc
EIN 043439786 · Headquarters: Hingham, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Boston Iron Kids Club
EIN 473522344 · Headquarters: WEST ROXBURY, MA, US · Crime & Legal Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Boston Ironsides Rugby Football Club
EIN 753111791 · Headquarters: Medford, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Boston IRS Employees Assistance Fund
EIN 222665030 · Headquarters: Stoneham, MA, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Boston Islamic Seminary
EIN 815432436 · Headquarters: Chelsea, MA, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990
- Boston Israel Action Committee Inc
EIN 680578325 · Headquarters: Newton, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Boston Israel Innovation Group Inc
EIN 412951971 · Headquarters: Boston, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Boston Japan Community Hub Inc
EIN 264256051 · Headquarters: Cambridge, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Boston Jazz Foundation
EIN 920675465 · Headquarters: BROOKLINE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Boston Jazz Society Inc
EIN 237320614 · Headquarters: DORCHESTER, MA, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Boston Jazz Voices Inc
EIN 043232710 · Headquarters: Waltham, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Boston Jewelers Club Inc
EIN 050478248 · Headquarters: Chelmsford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Boston Jewish Film
EIN 043414850 · Headquarters: Newton, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Boston Jewish Music Festival Inc
EIN 274077976 · Headquarters: WEST ROXBURY, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990
- Boston Judo Fund Inc
EIN 465373673 · Headquarters: Winchester, MA, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Boston Jump Inc
EIN 134365171 · Headquarters: Dorchester, MA, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Boston Junior Eagles Inc
EIN 043193668 · Headquarters: NEEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Kendo Kyokai Inc
EIN 814868696 · Headquarters: Stow, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Boston Kenya Children Foundation Bosken Inc
EIN 870761835 · Headquarters: Peabody, MA, US · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Boston Kimono Festival Organization
EIN 852759432 · Headquarters: Braintree, MA, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Boston Knit Out & Crochet
EIN 571222987 · Headquarters: Waltham, MA, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Boston Korean Adoptees Inc
EIN 050567692 · Headquarters: Boston, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Boston Korean Baseball League
EIN 334050844 · Headquarters: Stoughton, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Boston Lactation Center Inc
EIN 922764333 · Headquarters: Marblehead, MA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Boston Lambdas Foundation Inc
EIN 874146660 · Headquarters: Newton, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Boston Landmarks Orchestra
EIN 311750843 · Headquarters: Somerville, MA, United States · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Latin Academy Association Inc
EIN 205933822 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Latin School Association
EIN 046035973 · Headquarters: Boston, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Latvian Sunday School Inc
EIN 042442412 · Headquarters: BROOKLINE, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Boston Lawyers Group Inc C/o Mintz
EIN 883906507 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Leadership Development Foundation Inc
EIN 861057552 · Headquarters: Boston, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Boston League of Wicked Wrestlers
EIN 850588964 · Headquarters: BOSTON, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Boston Learning Understanding and Enrichment Center
EIN 463100135 · Headquarters: Norwood, MA, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Boston Lesbigay Urban Foundation
EIN 851908536 · Headquarters: Roxbury, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990
- Boston Letter Carriers Mutual Benefit Association
EIN 042205326 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Boston Lgbt Games Inc
EIN 264625489 · Headquarters: Boston, MA, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Boston Lgbtq Community Center
EIN 332866868 · Headquarters: Allston, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Boston Lgbtq Museum of Art History and Culture Incorporated
EIN 933858154 · Headquarters: ATTLEBORO, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Boston Library Consortium Inc
EIN 042605198 · Headquarters: FRANKLIN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Life Inc
EIN 562505732 · Headquarters: Cambridge, MA, USA · Education · Latest available filing year: 2014 · Primary form: IRS Form 990
- Boston Litho Club Inc
EIN 042702054 · Headquarters: Burlington, MA, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Boston Lithuanian School
EIN 823197237 · Headquarters: Mansfield, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Little Saigon
EIN 862391149 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Boston Liturgical Dance Ensemble Inc
EIN 223051014 · Headquarters: Natick, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Boston Living Center Inc
EIN 043088563 · Headquarters: BOSTON, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2011 · Primary form: IRS Form 990
- Boston Local Development Corporation
EIN 042681311 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Lykeion Ellinidon Inc
EIN 030476816 · Headquarters: Maarlborough, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Boston Lymphatic Symposium Inc
EIN 854068323 · Headquarters: Newton, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Boston Lyric Opera Company
EIN 042469627 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Maccabi Rugby Club Inc
EIN 300792691 · Headquarters: Medford, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Boston Madison Square Garden Club
EIN 041105640 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Magar Society Inc
EIN 874795976 · Headquarters: Everett, MA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Boston Mailers' Teamsters Local No1
EIN 041105655 · Headquarters: QUINCY, MA, USA · Employment · Latest available filing year: 2020 · Primary form: IRS Form 990
- Boston Main Streets Foundation
EIN 203510157 · Headquarters: Boston, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Boston Makers Inc
EIN 471181385 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Boston Malacological Club Inc
EIN 863282070 · Headquarters: Stow, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Boston Map Society Inc
EIN 043252972 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Boston Marathon Sports Medicine Research Society Inc
EIN 042704455 · Headquarters: BOSTON, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Boston Marine Society
EIN 042139204 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990