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. Massachusetts Student Public Interest Research Group Inc

    EIN 043091421 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Massachusetts Sudanese Community Association

    EIN 113725389 · Headquarters: Chelsea, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Massachusetts Surgeons' Lodge Frat Order of Police Inc

    EIN 205756324 · Headquarters: NEWTON CENTER, MA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Massachusetts Symphony Orchestra Inc

    EIN 042607807 · Headquarters: WORCESTER, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Massachusetts Systems Contractors Association Inc

    EIN 042658566 · Headquarters: Sharon, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Massachusetts Tamil Sangam Inc

    EIN 882313973 · Headquarters: Shrewsbury, MA, USA · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  7. Massachusetts Taxpayers Foundation Inc

    EIN 041590310 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Massachusetts Teacher Association

    EIN 237146487 · Headquarters: Great Barrington, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Massachusetts TEACHER ASSOCIATION The Education Association of Natick

    EIN 042644509 · Headquarters: Natick, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Massachusetts Teachers Assn

    EIN 510147756 · Headquarters: Bourne, MA, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  11. Massachusetts Teachers Association

    EIN 041591200 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Massachusetts Teachers Association

    EIN 042576407 · Headquarters: Hamilton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Massachusetts Teachers Association

    EIN 042577646 · Headquarters: North Reading, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Massachusetts Teachers Association

    EIN 042579989 · Headquarters: South Dennis, MA, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  15. Massachusetts Teachers Association

    EIN 042582793 · Headquarters: Harwich, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  16. Massachusetts Teachers Association

    EIN 042594286 · Headquarters: wakefield, MA, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  17. Massachusetts Teachers Association

    EIN 042594357 · Headquarters: Rowley, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  18. Massachusetts Teachers Association

    EIN 042597290 · Headquarters: Clarksburg, MA, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  19. Massachusetts Teachers Association

    EIN 042601102 · Headquarters: Mansfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Massachusetts Teachers Association

    EIN 042605256 · Headquarters: Haverhill, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Massachusetts Teachers Association

    EIN 042607086 · Headquarters: RAYNHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Massachusetts Teachers Association

    EIN 042625816 · Headquarters: North Chelmsford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Massachusetts Teachers Association

    EIN 042626627 · Headquarters: Salem, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Massachusetts Teachers Association

    EIN 042627195 · Headquarters: Middleton, MA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  25. Massachusetts Teachers Association

    EIN 042628040 · Headquarters: SPENCER, MA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  26. Massachusetts Teachers Association

    EIN 042645893 · Headquarters: Ayer, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Massachusetts Teachers Association

    EIN 042645894 · Headquarters: Wakefield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Massachusetts Teachers Association

    EIN 042652290 · Headquarters: North Adams, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Massachusetts Teachers Association

    EIN 042656089 · Headquarters: West Barnstable, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Massachusetts Teachers Association

    EIN 042667759 · Headquarters: Turners Falls, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Massachusetts Teachers Association

    EIN 042667761 · Headquarters: Windsor, MA, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  32. Massachusetts Teachers Association

    EIN 042667765 · Headquarters: CHARLEMONT, MA, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  33. Massachusetts Teachers Association

    EIN 042667767 · Headquarters: holyoke, MA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  34. Massachusetts Teachers Association

    EIN 042667770 · Headquarters: Huntington, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. Massachusetts Teachers Association

    EIN 042667783 · Headquarters: Greenfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Massachusetts Teachers Association

    EIN 042667794 · Headquarters: Bedford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Massachusetts Teachers Association

    EIN 042667795 · Headquarters: Gardner, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. Massachusetts Teachers Association

    EIN 042667806 · Headquarters: Worcester, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Massachusetts Teachers Association

    EIN 042667810 · Headquarters: Buzzardsbay, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Massachusetts Teachers Association

    EIN 042667823 · Headquarters: Pittsfield, MA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  41. Massachusetts Teachers Association

    EIN 042667834 · Headquarters: Wakefield, MA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  42. Massachusetts Teachers Association

    EIN 042667848 · Headquarters: PALMER, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Massachusetts Teachers Association

    EIN 042667882 · Headquarters: Swansea, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  44. Massachusetts Teachers Association

    EIN 042667897 · Headquarters: Bridgewater, MA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  45. Massachusetts Teachers Association

    EIN 042667902 · Headquarters: Hingham, MA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  46. Massachusetts Teachers Association

    EIN 042667935 · Headquarters: charlton, MA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  47. Massachusetts Teachers Association

    EIN 042671402 · Headquarters: Westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Massachusetts Teachers Association

    EIN 042682572 · Headquarters: Middleton, MA, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  49. Massachusetts Teachers Association

    EIN 042688749 · Headquarters: Bridgewater, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Massachusetts Teachers Association

    EIN 042703405 · Headquarters: Dalton, MA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  51. Massachusetts Teachers Association

    EIN 042736479 · Headquarters: Billerica, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Massachusetts Teachers Association

    EIN 042746937 · Headquarters: Norfolk, MA, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  53. Massachusetts Teachers Association

    EIN 042749786 · Headquarters: Franklin, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Massachusetts Teachers Association

    EIN 042777466 · Headquarters: Southbridge, MA, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  55. Massachusetts Teachers Association

    EIN 042863569 · Headquarters: Leominster, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Massachusetts Teachers Association

    EIN 043038289 · Headquarters: Swansea, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. Massachusetts Teachers Association

    EIN 043085450 · Headquarters: Warren, MA, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  58. Massachusetts Teachers Association

    EIN 043137588 · Headquarters: Auburn, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Massachusetts Teachers Association

    EIN 043154226 · Headquarters: Leverett, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Massachusetts Teachers Association

    EIN 043159080 · Headquarters: Kingston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Massachusetts Teachers Association

    EIN 043161629 · Headquarters: Mattapoisett, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Massachusetts Teachers Association

    EIN 043225594 · Headquarters: SWANSEA, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  63. Massachusetts Teachers Association

    EIN 043244025 · Headquarters: Wilbraham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Massachusetts Teachers Association

    EIN 043294385 · Headquarters: Shelburne Falls, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Massachusetts Teachers Association

    EIN 043349257 · Headquarters: Provincetown, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Massachusetts Teachers Association

    EIN 043352275 · Headquarters: Reading, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Massachusetts Teachers Association

    EIN 043365033 · Headquarters: Southbridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Massachusetts Teachers Association

    EIN 043372782 · Headquarters: Duxbury, MA, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  69. Massachusetts Teachers Association

    EIN 043403910 · Headquarters: South Grafton, MA, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  70. Massachusetts Teachers Association

    EIN 043546637 · Headquarters: Marion, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Massachusetts Teachers Association

    EIN 046006603 · Headquarters: BERLIN, MA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  72. Massachusetts Teachers Association

    EIN 046131764 · Headquarters: SHARON, MA, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  73. Massachusetts Teachers Association

    EIN 046170638 · Headquarters: Worcester, MA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  74. Massachusetts Teachers Association

    EIN 046193333 · Headquarters: Mattapoisett, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  75. Massachusetts Teachers Association

    EIN 046358253 · Headquarters: Chartley, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Massachusetts Teachers Association

    EIN 201841230 · Headquarters: Barre, MA, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  77. Massachusetts Teachers Association

    EIN 222660576 · Headquarters: Dover, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Massachusetts Teachers Association

    EIN 232546988 · Headquarters: Hingham, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. Massachusetts Teachers Association

    EIN 237079000 · Headquarters: Westifeld, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Massachusetts Teachers Association

    EIN 237124905 · Headquarters: Upton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Massachusetts Teachers Association

    EIN 237128460 · Headquarters: Hanover, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Massachusetts Teachers Association

    EIN 237128461 · Headquarters: Wilbraham, MA, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  83. Massachusetts Teachers Association

    EIN 237128463 · Headquarters: Georgetown, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Massachusetts Teachers Association

    EIN 237128468 · Headquarters: Foxborough, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Massachusetts Teachers Association

    EIN 237128478 · Headquarters: ASHBURNHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Massachusetts Teachers Association

    EIN 237128480 · Headquarters: South Deerfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Massachusetts Teachers Association

    EIN 237128483 · Headquarters: New Salem, MA, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  88. Massachusetts Teachers Association

    EIN 237128494 · Headquarters: Southampton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Massachusetts Teachers Association

    EIN 237128495 · Headquarters: West BRidgewater, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Massachusetts Teachers Association

    EIN 237128525 · Headquarters: Lanesborough, MA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  91. Massachusetts Teachers Association

    EIN 237128537 · Headquarters: West Springfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Massachusetts Teachers Association

    EIN 237130677 · Headquarters: Warren, MA, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  93. Massachusetts Teachers Association

    EIN 237130856 · Headquarters: Lunenburg, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  94. Massachusetts Teachers Association

    EIN 237132255 · Headquarters: Shrewsbury, MA, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  95. Massachusetts Teachers Association

    EIN 237132259 · Headquarters: Sutton, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  96. Massachusetts Teachers Association

    EIN 237132561 · Headquarters: Ludlow, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Massachusetts Teachers Association

    EIN 237132570 · Headquarters: Canton, MA, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  98. Massachusetts Teachers Association

    EIN 237132571 · Headquarters: Concord, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Massachusetts Teachers Association

    EIN 237132795 · Headquarters: Needham, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  100. Massachusetts Teachers Association

    EIN 237132820 · Headquarters: HUNTINGTON, MA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

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