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

  1. Harvard College Association Forus-china Relations

    EIN 204741249 · Headquarters: Cambridge, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Harvard College Engineering Society

    EIN 201881105 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  3. Harvard College Open Data Project

    EIN 824935993 · Headquarters: CAMBRIDGE, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Harvard Conservation Trust

    EIN 237305157 · Headquarters: HARVARD, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Harvard Cultural Collaborative

    EIN 473686280 · Headquarters: Harvard, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Harvard Debate Incorporated

    EIN 042597463 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Harvard Dedicated Energy Limited

    EIN 030425512 · Headquarters: Cambridge, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Harvard Educators Association

    EIN 237162104 · Headquarters: Harvard, MA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Harvard Family Association

    EIN 043468775 · Headquarters: Harvard, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Harvard Farmers Market Inc

    EIN 743225785 · Headquarters: HARVARD, MA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Harvard Federal Credit Union

    EIN 046017806 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  12. Harvard Federalist Society

    EIN 815109948 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  13. Harvard Firefighters Association Inc

    EIN 263339342 · Headquarters: Harvard, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Harvard Gay & Lesbian Review Inc

    EIN 043267948 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Harvard Gender and Sexuality Caucus Inc

    EIN 043378851 · Headquarters: Cambridge, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Harvard Glee Club Inc

    EIN 042628384 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Harvard Glee Glub Alumni Inc

    EIN 042313930 · Headquarters: HANOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Harvard Global Research and Support Services Inc

    EIN 454535664 · Headquarters: Cambridge, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Harvard Graduate Women in Science and Engineering

    EIN 412185081 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  20. Harvard Griffin Gsas Chinese Students and Scholars Association

    EIN 851226801 · Headquarters: Watertown, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Harvard Griffin Gsas Dragon Boat Team

    EIN 900730561 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Harvard Hillel

    EIN 042620801 · Headquarters: Cambridge, MA, United States · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Harvard Historical Society

    EIN 046169825 · Headquarters: HARVARD, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Harvard Homeless Mission

    EIN 844422072 · Headquarters: Belmont, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Harvard International Relations Council Inc

    EIN 042581946 · Headquarters: Cambridge, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Harvard Kennedy School Alumnae Network

    EIN 821195041 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Harvard Kennedy School New England Alumni Association Inc

    EIN 204579871 · Headquarters: ARLINGTON, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Harvard Lampoon

    EIN 046002810 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Harvard Lampoon Trust

    EIN 042631286 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Harvard Law Review Association

    EIN 042104292 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Harvard Law School

    EIN 843118937 · Headquarters: Cambridge, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Harvard Law School Record Corp

    EIN 046111655 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  33. Harvard Legal Aid Bureau

    EIN 046064211 · Headquarters: CAMBRIDGE, MA, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Harvard Lions Foundation Inc

    EIN 464605589 · Headquarters: Harvard, MA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Harvard Magazine Inc

    EIN 046112308 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Harvard Management Company

    EIN 237361259 · Headquarters: Boston, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Harvard Management Private Equity Corp

    EIN 043070522 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Harvard Medical Center

    EIN 042213292 · Headquarters: BOSTON, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center Inc

    EIN 222768204 · Headquarters: BOSTON, MA, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  40. Harvard Medical Student Review Inc

    EIN 830757761 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Harvard Model Congress Asia Inc

    EIN 562613389 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. Harvard Model Congress Europe

    EIN 462164127 · Headquarters: Cambridge, MA, United States of America · International, Foreign Affairs & National Security · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  43. Harvard Model Congress Incorporated

    EIN 202775261 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990

  44. Harvard Model Congress Middle East Inc

    EIN 460697343 · Headquarters: CAMBRIDGE, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Harvard Model Congress-sanfrancisco

    EIN 462785196 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  46. Harvard Musical Association

    EIN 042104284 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. Harvard Neurodiscovery Center Inc

    EIN 311745145 · Headquarters: BOSTON, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Harvard Orthopaedic Alumni Association

    EIN 846690083 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  49. Harvard Pilgrim Health Care

    EIN 042452600 · Headquarters: CANTON, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Harvard Pilgrim Health Care Foundation Inc

    EIN 042708004 · Headquarters: CANTON, MA, USA · Health Care · Latest available filing year: 2021 · Primary form: IRS Form 990

  51. Harvard Pilgrim Health Care of New England Inc

    EIN 042663394 · Headquarters: CANTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Harvard Place Inc

    EIN 223502747 · Headquarters: CAMBRIDGE, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Harvard Private Capital Holdings Inc C/o Harvard Management Company Inc

    EIN 043070519 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990

  54. Harvard Private Capital Realty Inc

    EIN 223138409 · Headquarters: Boston, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Harvard Pro Musica Incorporated

    EIN 222567155 · Headquarters: HARVARD, MA, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  56. Harvard PTO Inc

    EIN 260434460 · Headquarters: Harvard, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Harvard Public Library Trust Inc

    EIN 043294726 · Headquarters: HARVARD, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Harvard Radcliffe Orchestra Foundation Inc

    EIN 042444738 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Harvard Radio Broadcasting Co Inc

    EIN 046066702 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Harvard Real Estate - Allston Inc

    EIN 043373410 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Harvard Real Estate Inc

    EIN 042649303 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Harvard Rotc Alumni Fund Inc

    EIN 043527772 · Headquarters: Weston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Harvard Salient Incorporated

    EIN 042762626 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  64. Harvard Sikh Center Inc

    EIN 991696484 · Headquarters: Hopkinton, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Harvard Snowmobile Club Inc

    EIN 320262348 · Headquarters: Harvard, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Harvard Sportsmens Club Inc

    EIN 046041323 · Headquarters: HARVARD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Harvard Square Business Association

    EIN 042647383 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Harvard Square Churches Meal Program Inc

    EIN 043193928 · Headquarters: cambridge, MA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. Harvard Square Data Analytics Group

    EIN 863057636 · Headquarters: BELMONT, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  70. Harvard Square Defense Fund Inc

    EIN 042677212 · Headquarters: Cambridge, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. Harvard Square Homeless Shelter Corporation

    EIN 043399927 · Headquarters: CAMBRIDGE, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Harvard Square Library Inc

    EIN 263199114 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Harvard Square Philippine American Alliance

    EIN 882462341 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Harvard Street Neighborhood Health Center Inc

    EIN 042600042 · Headquarters: DORCHESTER, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Harvard Student Agencies Inc

    EIN 042230366 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Harvard Travellers Club

    EIN 046121016 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Harvard Undergraduate Consulting

    EIN 841755113 · Headquarters: Cambridge, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. Harvard Undergraduate Foreign Policy Initiative

    EIN 844713880 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Harvard Undergraduate Science Olympiad

    EIN 823724746 · Headquarters: Cambridge, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Harvard Undergraduate Unicef Club

    EIN 833343559 · Headquarters: Cambridge, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  81. Harvard Undergraduate Venture Capital Group Inc

    EIN 881717731 · Headquarters: MARSHFIELD, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Harvard Undergraduate Women in Computer Science Inc

    EIN 853858397 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Harvard University

    EIN 042103580 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Harvard University Band Inc

    EIN 043009105 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Harvard University Muslim Alumni Inc

    EIN 464352893 · Headquarters: Scituate, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Harvard University Retirees Association

    EIN 463277037 · Headquarters: Northborough, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Harvard University Security Parking & Museum Guards Union

    EIN 043340756 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  88. Harvard Varsity Club Inc

    EIN 042104295 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Harvard Womans Philanthropic Club Inc

    EIN 010972861 · Headquarters: Harvard, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Harvard Womens Leadership Project Alumni Network Inc

    EIN 800299327 · Headquarters: Cambridge, MA, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  91. Harvard World Model United Nations

    EIN 043135516 · Headquarters: CAMBRIDGE, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Harvard Yard Child Care Center Inc

    EIN 331211523 · Headquarters: CAMBRIDGE, MA, USA · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990

  93. Harvard Yearbook Publications

    EIN 046042150 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Harvard Yearbook Publications Trust Fund

    EIN 043258492 · Headquarters: CAMBRIDGE, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  95. Harvard-kent Leadership & Partnership Inc

    EIN 432101599 · Headquarters: Charlestown, MA, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  96. Harvard-kent Parents Association Inc

    EIN 830518842 · Headquarters: CHARLESTOWN, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Harvard-radcliffe Class of 1961

    EIN 222562887 · Headquarters: Milton, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  98. Harvard-radcliffe Class of 1989

    EIN 472480131 · Headquarters: dover, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Harvard-radcliffe Club of Worcester John C Ewer Treasurer

    EIN 046115267 · Headquarters: WORCESTER, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Harvard-radcliffe Collegium Musicum Foundation Inc

    EIN 042648126 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

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