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 Labor & Congress of Industrial Orgs

    EIN 042777813 · Headquarters: Holyoke, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  2. American Federation of Labor & Congress of Industrial Orgs

    EIN 042930706 · Headquarters: FITCHBURG, MA, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  3. American Federation of Labor & Congress of Industrial Orgs

    EIN 042935290 · Headquarters: Dorchester, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  4. American Federation of Labor & Congress of Industrial Orgs

    EIN 046115226 · Headquarters: LOWELL, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. American Federation of Labor & Congress of Industrial Orgs

    EIN 046116073 · Headquarters: West Boylston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. American Federation of Labor & Congress of Industrial Orgs

    EIN 046116760 · Headquarters: Auburn, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. American Federation of Labor & Congress of Industrial Orgs

    EIN 046119713 · Headquarters: Braintree, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. American Federation of Labor & Congress of Industrial Orgs

    EIN 222544878 · Headquarters: Northampton, MA, US · Employment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  9. American Federation of Labor & Congress of Industrial Orgs

    EIN 237009615 · Headquarters: Pittsfield, MA, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  10. American Federation of Labor & Congress of Industrial Orgs

    EIN 237009629 · Headquarters: Roslindale, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. American Federation of Labor & Congress of Industrial Orgs

    EIN 237274671 · Headquarters: Lynn, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. American Federation of Labor & Congress of Industrial Orgs

    EIN 911807619 · Headquarters: DEDHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. American Federation of Labor & Construction Trades Council

    EIN 521701467 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. American Federation of Labor & Greater

    EIN 510428056 · Headquarters: New Bedford, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. American Federation of Labor & Mass Building & Const Trades

    EIN 237009626 · Headquarters: MALDEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  16. American Federation of Musicians Building Fund

    EIN 046307813 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. American Federation of Musicians Lo Cal 138343 Brockton Norwood

    EIN 041691887 · Headquarters: Bockton, MA, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  18. American Federation of Musicians Local 9-535 Afm

    EIN 041106210 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. American Federation of Musicians of the Us & Canada

    EIN 041563965 · Headquarters: Amesbury, MA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  20. American Federation of Musicians of the Us & Canada

    EIN 042051402 · Headquarters: Lowell, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. American Federation of Musicians of the Us & Canada

    EIN 042052077 · Headquarters: LEOMINSTER, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. American Federation of Musicians of the Us & Canada

    EIN 046116423 · Headquarters: Bridgewater, MA, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  23. American Federation of Musicians of Us & Canada

    EIN 042046109 · Headquarters: Maynard, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Federation of Musicians of Us & Canada

    EIN 042050624 · Headquarters: Springfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. American Federation of State Count Municipal Employees Local 3650 Huc

    EIN 042909817 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. American Federation of State County & Municipal Em

    EIN 046130024 · Headquarters: New Bedford, MA, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. American Federation of State County & Municipal Employe

    EIN 046189917 · Headquarters: Marshfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. American Federation of State County & Municipal Employees

    EIN 010339164 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. American Federation of State County & Municipal Employees

    EIN 010362622 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. American Federation of State County & Municipal Employees

    EIN 010597142 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. American Federation of State County & Municipal Employees

    EIN 016018556 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. American Federation of State County & Municipal Employees

    EIN 016027644 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. American Federation of State County & Municipal Employees

    EIN 016027645 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. American Federation of State County & Municipal Employees

    EIN 016027649 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. American Federation of State County & Municipal Employees

    EIN 016046617 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. American Federation of State County & Municipal Employees

    EIN 020333631 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. American Federation of State County & Municipal Employees

    EIN 020364198 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. American Federation of State County & Municipal Employees

    EIN 020423235 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. American Federation of State County & Municipal Employees

    EIN 020444357 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  40. American Federation of State County & Municipal Employees

    EIN 020444856 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. American Federation of State County & Municipal Employees

    EIN 020459340 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. American Federation of State County & Municipal Employees

    EIN 026009504 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. American Federation of State County & Municipal Employees

    EIN 026012393 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. American Federation of State County & Municipal Employees

    EIN 026012395 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. American Federation of State County & Municipal Employees

    EIN 026012398 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. American Federation of State County & Municipal Employees

    EIN 026012399 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. American Federation of State County & Municipal Employees

    EIN 026012715 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. American Federation of State County & Municipal Employees

    EIN 026012717 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. American Federation of State County & Municipal Employees

    EIN 030319407 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. American Federation of State County & Municipal Employees

    EIN 030336511 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. American Federation of State County & Municipal Employees

    EIN 036010546 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. American Federation of State County & Municipal Employees

    EIN 036013039 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. American Federation of State County & Municipal Employees

    EIN 042391831 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. American Federation of State County & Municipal Employees

    EIN 042391850 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. American Federation of State County & Municipal Employees

    EIN 042447806 · Headquarters: Waltham, MA, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  56. American Federation of State County & Municipal Employees

    EIN 042580996 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. American Federation of State County & Municipal Employees

    EIN 042581948 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. American Federation of State County & Municipal Employees

    EIN 042608873 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Federation of State County & Municipal Employees

    EIN 042610046 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Federation of State County & Municipal Employees

    EIN 042623009 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. American Federation of State County & Municipal Employees

    EIN 042644571 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. American Federation of State County & Municipal Employees

    EIN 042665385 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Federation of State County & Municipal Employees

    EIN 042666894 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. American Federation of State County & Municipal Employees

    EIN 042669702 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. American Federation of State County & Municipal Employees

    EIN 042686229 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. American Federation of State County & Municipal Employees

    EIN 042691302 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Federation of State County & Municipal Employees

    EIN 042692260 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Federation of State County & Municipal Employees

    EIN 042700586 · Headquarters: Middleboro, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. American Federation of State County & Municipal Employees

    EIN 042704339 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. American Federation of State County & Municipal Employees

    EIN 042724575 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. American Federation of State County & Municipal Employees

    EIN 042773195 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. American Federation of State County & Municipal Employees

    EIN 042799975 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. American Federation of State County & Municipal Employees

    EIN 042899568 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. American Federation of State County & Municipal Employees

    EIN 043044707 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. American Federation of State County & Municipal Employees

    EIN 043096706 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. American Federation of State County & Municipal Employees

    EIN 043100180 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. American Federation of State County & Municipal Employees

    EIN 043147002 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. American Federation of State County & Municipal Employees

    EIN 043147249 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. American Federation of State County & Municipal Employees

    EIN 043274591 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. American Federation of State County & Municipal Employees

    EIN 043274646 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. American Federation of State County & Municipal Employees

    EIN 043342371 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. American Federation of State County & Municipal Employees

    EIN 043395606 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. American Federation of State County & Municipal Employees

    EIN 043412632 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. American Federation of State County & Municipal Employees

    EIN 043503035 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. American Federation of State County & Municipal Employees

    EIN 043511038 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. American Federation of State County & Municipal Employees

    EIN 046059107 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American Federation of State County & Municipal Employees

    EIN 046063409 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. American Federation of State County & Municipal Employees

    EIN 046111675 · Headquarters: Worcester, MA, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  89. American Federation of State County & Municipal Employees

    EIN 046111800 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. American Federation of State County & Municipal Employees

    EIN 046111868 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. American Federation of State County & Municipal Employees

    EIN 046114539 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Federation of State County & Municipal Employees

    EIN 046114694 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Federation of State County & Municipal Employees

    EIN 046118560 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. American Federation of State County & Municipal Employees

    EIN 046119597 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. American Federation of State County & Municipal Employees

    EIN 046119598 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. American Federation of State County & Municipal Employees

    EIN 046119632 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. American Federation of State County & Municipal Employees

    EIN 046130015 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  98. American Federation of State County & Municipal Employees

    EIN 046130035 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Federation of State County & Municipal Employees

    EIN 046130043 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. American Federation of State County & Municipal Employees

    EIN 046130095 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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