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. American Federation of State County & Municipal Employees

    EIN 550882959 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. American Federation of State County & Municipal Employees

    EIN 562422529 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. American Federation of State County & Municipal Employees

    EIN 611455557 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. American Federation of State County & Municipal Employees

    EIN 611737098 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. American Federation of State County & Municipal Employees

    EIN 736105947 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. American Federation of State County & Municipal Employees

    EIN 760746591 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  7. American Federation of State County & Municipal Employees

    EIN 800355136 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. American Federation of State County & Municipal Employees

    EIN 812625291 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. American Federation of State County & Municipal Employees

    EIN 822567946 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  10. American Federation of State County & Municipal Employees

    EIN 830784249 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. American Federation of State County & Municipal Employees

    EIN 831026487 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. American Federation of State County & Municipal Employees

    EIN 831074364 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. American Federation of State County & Municipal Employees

    EIN 832353901 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. American Federation of State County & Municipal Employees

    EIN 833233896 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. American Federation of State County & Municipal Employees

    EIN 833339004 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. American Federation of State County & Municipal Employees

    EIN 990630102 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. American Federation of State County & Municipal Employees Afscme Local 2948

    EIN 510229332 · Headquarters: S CARVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. American Federation of State County & Municipal Employess

    EIN 521650889 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. American Federation of State County & Municiple Employees

    EIN 920442937 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. American Federation of State County & Municiple Employees

    EIN 921264863 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. American Federation of State County & Municiple Employees

    EIN 933152918 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. American Federation of State County & Municpial Employees

    EIN 043334802 · Headquarters: Agawam, MA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  23. American Federation of State County &Municipal Employess

    EIN 521650735 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Federation of State County 1489 MA Loc

    EIN 046112829 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. American Federation of State County and Municipal Employees

    EIN 046112595 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. American Federation of State County and Municipal Employees

    EIN 061040207 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. American Federation of State County L0072ma So Eastern Ma Mental Health

    EIN 237040976 · Headquarters: TAUNTON, MA, USA · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990

  28. American Federation of State County L1368ma Mass Dept of Youth Svcs Emp

    EIN 237159866 · Headquarters: NORTHBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  29. American Federation of State County Municipal Employees

    EIN 237378269 · Headquarters: South Boston, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  30. American Federation of State County Municipal Employees 093 Ma Cmp New

    EIN 043115622 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. American Federation of Statecounty and Muncipal Employess Local 1067

    EIN 042731190 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  32. American Federation of Teachers

    EIN 042576251 · Headquarters: Westford, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. American Federation of Teachers

    EIN 042910997 · Headquarters: Westport, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. American Federation of Teachers

    EIN 043291230 · Headquarters: North Reading, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. American Federation of Teachers

    EIN 046363818 · Headquarters: HOLLISTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. American Federation of Teachers

    EIN 050403005 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. American Federation of Teachers

    EIN 100004888 · Headquarters: Marlboro, MA, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  38. American Federation of Teachers

    EIN 141894134 · Headquarters: Walpole, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. American Federation of Teachers

    EIN 205868547 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. American Federation of Teachers

    EIN 222511533 · Headquarters: boylston, MA, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  41. American Federation of Teachers

    EIN 237016740 · Headquarters: South Easton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. American Federation of Teachers

    EIN 237365480 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  43. American Federation of Teachers

    EIN 300653864 · Headquarters: Worcester, MA, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  44. American Federation of Teachers 1033 Aft Amesbury Local

    EIN 046189033 · Headquarters: NEWBURYPORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. American Federation of Teachers 1037 Aft

    EIN 046111767 · Headquarters: LYNN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. American Federation of Teachers 1677 Aft

    EIN 042575938 · Headquarters: BILLERICA, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. American Federation of Teachers 2378 New Bedford Federation of Paraprofession

    EIN 046315885 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  48. American Federation of Teachers 4293 North Shore Consortium Employe

    EIN 043572893 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. American Federation of Teachers Local 1019 Lawrence

    EIN 046116387 · Headquarters: LAWRENCE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. American Federation of Teachers Local 1258

    EIN 046112568 · Headquarters: Salem, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. American Federation of Teachers Local 1269

    EIN 046147082 · Headquarters: Hathorne, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. American Federation of Teachers Local 1896

    EIN 912132764 · Headquarters: MILTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. American Federation of Teachers Local 4928

    EIN 043372803 · Headquarters: NEWTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  54. American Federation of Teachers Massachusetts Professional Development Inst

    EIN 611571388 · Headquarters: BOSTON, MA, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  55. American Federation of Teachers Pittsfield Federation of School Employees Aft-afl-cio 1315

    EIN 046089307 · Headquarters: Pittsfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. American Federation of Teachers St Joseph Federation

    EIN 050390652 · Headquarters: SWANSEA, MA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  57. American Federation of Teachers-lawrence Para-prof Union C/o Suzanne Suliveras

    EIN 042666110 · Headquarters: LAWRENCE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. American Federation of Violin and Bow Makers Inc

    EIN 133206933 · Headquarters: SOMERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. American Fedetation of State County & Municipal Employees

    EIN 043519050 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Fence Association Inc Northeast Chapter

    EIN 043262740 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. American Fisheries Society

    EIN 521754415 · Headquarters: Buzzards Bay, MA, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  62. American Folk Art Society

    EIN 232140236 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. American Fondouk Maintenance Committee Inc

    EIN 046043108 · Headquarters: BOSTON, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. American Forensic Association

    EIN 386069238 · Headquarters: DANVERS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. American Foundation for Bulgaria Inc

    EIN 200361839 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. American Foundry Society

    EIN 046192718 · Headquarters: MARLBOROUGH, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. American Friends of Cancer Research Inc

    EIN 650520985 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. American Friends of Darchei Hashleimus Inc

    EIN 222514416 · Headquarters: BRIGHTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. American Friends of Georgia Inc

    EIN 133797759 · Headquarters: TRURO, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. American Friends of Libi Inc

    EIN 320081620 · Headquarters: BRIGHTON, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. American Friends of Maoz-seal Inc

    EIN 453412935 · Headquarters: HAVERHILL, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. American Friends of Religious Freedom in Israel Hemdat-afrf Inc

    EIN 311475367 · Headquarters: WEST NEWTON, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  73. American Friends of St Hilda's College Inc

    EIN 222957361 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. American Friends of the Boston Stump Inc

    EIN 562665325 · Headquarters: Salem, MA, US · Religion Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  75. American Friends of the Bugatti Trust Inc

    EIN 141915432 · Headquarters: DEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. American Friends of the Hospitallers Inc

    EIN 320466436 · Headquarters: Wakefield, MA, US · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  77. American Friends of the Leipzig Bach-Archive Inc

    EIN 275558775 · Headquarters: Yarmouth Port, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. American Friends of the Oxford Center for Hebrew and Jewish Studies I

    EIN 132943469 · Headquarters: Newton, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. American Friends of the Royal Foundation of the Prince and Princess of Wales

    EIN 452062094 · Headquarters: NEWTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. American Friendship Association of Fitchburg Inc

    EIN 042765357 · Headquarters: Fitchburg, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  81. American Friendship Cemetery Assoc

    EIN 873463110 · Headquarters: QUINCY, MA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. American Fund for Alternatives to Animal Research

    EIN 132883904 · Headquarters: GEORGETOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. American Fund for Emmanuel C/o Hurwit & Associates

    EIN 300045973 · Headquarters: NEWTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. American Funds for Artistic Endeavors

    EIN 900721472 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  85. American Gold Star Mothers Inc - Dept of Massachusetts Rhode Island

    EIN 862327061 · Headquarters: Woburn, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. American Grand Cru Society

    EIN 460754136 · Headquarters: Salem, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. American Guild of Organists

    EIN 041087181 · Headquarters: Westford, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. American Guild of Organists

    EIN 046111737 · Headquarters: Williamstown, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. American Guild of Organists

    EIN 046119725 · Headquarters: Eastham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. American Guild of Organists

    EIN 046183755 · Headquarters: Westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. American Guild of Organists Ago

    EIN 046183751 · Headquarters: Worcester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Guild of Organists Boston Chapter

    EIN 046063828 · Headquarters: JAMAICA PLAIN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. American Gymnastics Parents Associaton

    EIN 043575722 · Headquarters: BURLINGTON, MA, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  94. American Hand Fire Engine Society Inc

    EIN 043429238 · Headquarters: NEWBURY, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  95. American Handel Society Inc

    EIN 521486617 · Headquarters: Sandwich, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. American Harp Society Inc

    EIN 136131860 · Headquarters: Granby, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. American Heartland Alliance

    EIN 472076723 · Headquarters: Beverly, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  98. American Heroes

    EIN 462727933 · Headquarters: Woburn, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  99. American History Artifacts

    EIN 863087444 · Headquarters: Fall River, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. American Hockey League

    EIN 111704511 · Headquarters: Springfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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