Unknown & Unclassified nonprofits in Massachusetts

Unknown & Unclassified nonprofits in Massachusetts. Browse 12,299 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 020333631 · 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 020364198 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  21. 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

  22. 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

  23. 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

  24. 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

  25. 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

  26. 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

  27. 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

  28. 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

  29. 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

  30. 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

  31. 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

  32. 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

  33. 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

  34. 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

  35. 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

  36. 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

  37. 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

  38. 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

  39. 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

  40. 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

  41. 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

  42. 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

  43. 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

  44. 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

  45. 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

  46. 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

  47. 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

  48. 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

  49. 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

  50. 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

  51. 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

  52. 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

  53. 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

  54. American Federation of State County & Municipal Employees

    EIN 046144094 · 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 046180860 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. American Federation of State County & Municipal Employees

    EIN 046189897 · 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 046189898 · 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 046189902 · 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 046189904 · 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 046189916 · 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 046190188 · 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 046190189 · 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 046190191 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. American Federation of State County & Municipal Employees

    EIN 046190193 · 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 046190211 · 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 046190212 · 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 046190217 · 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 046190221 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. American Federation of State County & Municipal Employees

    EIN 046190225 · 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 046190226 · 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 046190228 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. American Federation of State County & Municipal Employees

    EIN 046190229 · 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 046190230 · 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 046190233 · 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 046363791 · 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 046404962 · 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 066070003 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. American Federation of State County & Municipal Employees

    EIN 066076252 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. American Federation of State County & Municipal Employees

    EIN 113687124 · 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 136180289 · 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 203550914 · Headquarters: Lynn, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. American Federation of State County & Municipal Employees

    EIN 222500263 · 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 222501772 · 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 222514172 · Headquarters: Norwood, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  85. American Federation of State County & Municipal Employees

    EIN 222539472 · 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 222666662 · Headquarters: Falmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American Federation of State County & Municipal Employees

    EIN 237001223 · 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 237010317 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. American Federation of State County & Municipal Employees

    EIN 237078141 · 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 237078148 · 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 237094039 · 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 237097199 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Federation of State County & Municipal Employees

    EIN 237098277 · 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 237100908 · 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 237118396 · 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 237118398 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  97. American Federation of State County & Municipal Employees

    EIN 237118478 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. American Federation of State County & Municipal Employees

    EIN 237180240 · 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 237180727 · 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 237208274 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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