Nonprofits in Boston, Massachusetts
Nonprofits in Boston, Massachusetts. Browse 5,392 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
- Masshousing Property Acquisition & Disposition Corporation
EIN 043129500 · Headquarters: BOSTON, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massignite Inc
EIN 473655010 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Masspace Inc
EIN 823298161 · Headquarters: BOSTON, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990
- Masspile Drivers Joint Apprentice Fund
EIN 042828814 · Headquarters: BOSTON, MA, USA · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990
- Masspoetry Inc
EIN 270584283 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massrobotics Inc
EIN 471919574 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massvote Action Fund Inc
EIN 272425032 · Headquarters: Boston, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Mason in Mass the Harvard Lodge Af and Am
EIN 237146926 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 046032772 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 237149868 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 800567207 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Master Wardens and Members Of
EIN 237167772 · Headquarters: Boston, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens and Members of Grand Lodge of Masons in Joseph Webb Lodge Af and Am
EIN 046056866 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens and Members of Major General Henry Knox Af&am
EIN 042271801 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens and Members of the G Lodge of Masons in Massachusetts
EIN 041383607 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens and Members of the Grand Lodge of Masons in Massachusetts
EIN 832402971 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Master Wardens and Members of the Lodge of St Andrew
EIN 237578899 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Masters Wardens & Members in Massachuse Columbian Lodge Af & Am
EIN 041032872 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mastwood Charitable Foundation
EIN 043530135 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Match Foundation Qalicb Inc
EIN 900712410 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Math for America Boston Inc
EIN 271240064 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990
- Mattapan Patriots N E Elite Youth Football and Cheer Inc
EIN 332172382 · Headquarters: BOSTON, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Matthew A & Susan B Weatherbie Foundation
EIN 043532105 · Headquarters: Boston, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Matthew B Winthrop Charitable Trust
EIN 132989761 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-PF
- Mattina R Proctor Foundation
EIN 111067014 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Maurice & Carol Feinberg Family Foundation
EIN 133746078 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Maverick Revitalization Corporation
EIN 800076268 · Headquarters: BOSTON, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Maxwell V Blum Family Foundation
EIN 222659555 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mayor Andrew R Curtis Memorial Fund
EIN 846774463 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mazar Family Charitable Foundation Trust
EIN 043344681 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mbhp Office Corporation
EIN 812357359 · Headquarters: BOSTON, MA, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990
- MBTA Police Superior Officers Association Inc
EIN 883357749 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mcclphei Inc C/o Roxbury Community College Library
EIN 270867667 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mccormack Fitness Center Inc Mfc
EIN 272258381 · Headquarters: BOSTON, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mcginty Charitable Foundation Inc
EIN 201563820 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Mckenley S Youth Disabled Organization Corporation
EIN 841759667 · Headquarters: Boston, MA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Mcquillan Institute For Science Technology An
EIN 992901160 · Headquarters: BOSTON, MA, USA · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mdr Golf Committee Incorporated
EIN 474330039 · Headquarters: Boston, MA, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Means Method Mission Inc
EIN 861850536 · Headquarters: BOSTON, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Medcure Foundation
EIN 276208935 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mediation Works Incorporated
EIN 043250315 · Headquarters: BOSTON, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Medical Civil Rights Initiative Inc
EIN 332504855 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Medical Heritage Library Inc
EIN 825402158 · Headquarters: BOSTON, MA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Medical Staff Boston Medical Center Brighton
EIN 043321112 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Medicine in Motion Inc
EIN 841796360 · Headquarters: Boston, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Medieval Academy of America
EIN 042326290 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Meeker Children's Charitable Trust Fbo
EIN 026156770 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Meeker Children's Charitable Trust Fbo Boston
EIN 026156779 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Meet International Inc
EIN 900677193 · Headquarters: BOSTON, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mei Wah Village Inc
EIN 043265611 · Headquarters: BOSTON, MA, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990
- Melanin Medicine
EIN 881661150 · Headquarters: Boston, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Melissa Marsh Heaver Fund Fbo the Fire
EIN 866654960 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mellen Charitable Fdn (Fka Tf Fdn) C/o Paul Mccoy Family Office Svcs
EIN 853945419 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Melody Lab Inc
EIN 934481282 · Headquarters: BOSTON, MA, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mendoza Impact Inc
EIN 923630823 · Headquarters: Boston, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mentor Charitable Fund Inc C/o Choate Hall & Stewart Llp
EIN 043502631 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Merciful Hands Corporation
EIN 834663723 · Headquarters: BOSTON, MA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Merck Family Fund
EIN 226063382 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mercond Inc
EIN 043099628 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Merkos Linyoney Chinuch-lubavitch Inc
EIN 222684845 · Headquarters: Boston, MA, USA · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Merrill Family Charitable Foundation Inc
EIN 223494040 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Merrimac Charitable Trust Ii
EIN 043249244 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Merrimack Valley Bldg & Construction Trades Afl-cio
EIN 861388296 · Headquarters: BOSTON, MA, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Message on a Bottle Inc
EIN 043577608 · Headquarters: Boston, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Meta Holding Foundation
EIN 823720163 · Headquarters: BOSTON, MA, US · Science & Technology · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Meta-data Professional Organization Inc
EIN 202856028 · Headquarters: Boston, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Metafold
EIN 853528289 · Headquarters: Boston, MA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Metagov Inc
EIN 853442527 · Headquarters: BOSTON, MA, USA · Science & Technology · Latest available filing year: 2023 · Primary form: IRS Form 990
- Metanoia Fund
EIN 046668886 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Metro Housing|Boston
EIN 042775991 · Headquarters: Boston, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Metrocommon Inc
EIN 300221355 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Metrolacrosse Inc
EIN 043508315 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- MFS Investment Management Foundation Inc
EIN 871687549 · Headquarters: Boston, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mgh Cssa
EIN 208975559 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Mgs & Rrs Charitable Trust
EIN 222777614 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mhnhs Roxbury Crossing Senior Building Inc
EIN 455173430 · Headquarters: Boston, MA, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Michael and Renee Minogue Foundation C/o Nutter Mcclennen & Fish Llp
EIN 477045385 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Michael Dukakis Institute Inc
EIN 823378710 · Headquarters: Boston, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Michael Gordon Foundation C/o James S Gordon
EIN 043355646 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Michael P Moffat Charitable Foundation
EIN 471209329 · Headquarters: Boston, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Michael R Kramer Charitable Trust
EIN 851315837 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Michael R Paine Conservation Trust
EIN 046942306 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Michael T Sherman Foundation #95-602840
EIN 273842131 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Michele & David Mittelman Family Foundation
EIN 206329119 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Michele E Dufault Foundation
EIN 476323640 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Micheli Family Foundation Inc C/o Cristina Murphy
EIN 472446326 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Middle Atlantic Conference of Building Owners & Managers Association
EIN 230872870 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Middlecott Foundation
EIN 046155699 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Midnight Runners USA Inc
EIN 331947091 · Headquarters: Boston, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Migrant Alliance and Partnership Network Map Network
EIN 814651313 · Headquarters: Boston, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mildred E Cambridge Memorial Fund Judith J Stackpole Trustee
EIN 043122889 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- Miles for Military
EIN 861757277 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Millennium Campus Network Inc
EIN 262842331 · Headquarters: BOSTON, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- Millicent and Eugene Bell Foundation 0751260
EIN 263990463 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Millicent C Starr Charitable Tr
EIN 207044248 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Millwrights Local Union 1121
EIN 042315531 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Milton L Williams Trust Uw
EIN 046016107 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mind Blossom Inc
EIN 922178954 · Headquarters: Boston, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Minds Matter of Boston Inc
EIN 510494632 · Headquarters: BOSTON, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mindset Inc
EIN 043465921 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N