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. Webster Lodge Af & Am

    EIN 041032847 · Headquarters: WEBSTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Webster Masonic Educational &Charitable Associationinc

    EIN 043156456 · Headquarters: WEBSTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Webster Police Officer's Union Local 473 of Massscop

    EIN 902634911 · Headquarters: WEBSTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Webster Sailing Association

    EIN 043525301 · Headquarters: STURBRIDGE, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Webster-dudley Veterans Council

    EIN 320463556 · Headquarters: webster, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Wedding Group Inc

    EIN 272513208 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Wedeln Ski and Outdoors Club Inc

    EIN 237154263 · Headquarters: Chelmsford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Wedgewood Club Inc

    EIN 042268139 · Headquarters: BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  9. Wee Care of Merrimack Valley

    EIN 320258688 · Headquarters: Methuen, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  10. Welcome Home Coalition Inc

    EIN 815457321 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  11. Weld Foundation

    EIN 046039173 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  12. Weld Foundation-scientific & Environmental Development

    EIN 222989001 · Headquarters: HUDSON, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  13. Wellesley Club

    EIN 222484164 · Headquarters: WELLESLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Wellesley College Alumnae Assoc

    EIN 020412553 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  15. Wellesley College Alumnae Assoc

    EIN 042621292 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  16. Wellesley College Alumnae Assoc

    EIN 042654452 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  17. Wellesley College Alumnae Assoc

    EIN 042793698 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  18. Wellesley College Alumnae Assoc

    EIN 042793703 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  19. Wellesley College Alumnae Assoc

    EIN 042793704 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  20. Wellesley College Alumnae Assoc

    EIN 042793705 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  21. Wellesley College Alumnae Assoc

    EIN 042793706 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  22. Wellesley College Alumnae Assoc

    EIN 042793709 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  23. Wellesley College Alumnae Assoc

    EIN 042793718 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  24. Wellesley College Alumnae Assoc

    EIN 042966892 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  25. Wellesley College Alumnae Assoc

    EIN 043141104 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  26. Wellesley College Alumnae Assoc

    EIN 043176147 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Wellesley College Alumnae Assoc

    EIN 043178923 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  28. Wellesley College Alumnae Assoc

    EIN 043192141 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  29. Wellesley College Alumnae Assoc

    EIN 043249673 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  30. Wellesley College Alumnae Assoc

    EIN 043282976 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  31. Wellesley College Alumnae Assoc

    EIN 043372866 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  32. Wellesley College Alumnae Assoc

    EIN 043469330 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  33. Wellesley College Alumnae Assoc

    EIN 043514623 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  34. Wellesley College Alumnae Assoc

    EIN 046147035 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  35. Wellesley College Alumnae Assoc

    EIN 046301617 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  36. Wellesley College Alumnae Assoc

    EIN 061011858 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  37. Wellesley College Alumnae Assoc

    EIN 061043316 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  38. Wellesley College Alumnae Assoc

    EIN 061085387 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  39. Wellesley College Alumnae Assoc

    EIN 061085391 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  40. Wellesley College Alumnae Assoc

    EIN 061143845 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  41. Wellesley College Alumnae Assoc

    EIN 061172521 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  42. Wellesley College Alumnae Assoc

    EIN 061267519 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  43. Wellesley College Alumnae Assoc

    EIN 061455086 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  44. Wellesley College Alumnae Assoc

    EIN 066108475 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  45. Wellesley College Alumnae Assoc

    EIN 131547107 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  46. Wellesley College Alumnae Assoc

    EIN 136161347 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  47. Wellesley College Alumnae Assoc

    EIN 141733128 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  48. Wellesley College Alumnae Assoc

    EIN 156022030 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  49. Wellesley College Alumnae Assoc

    EIN 161064895 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  50. Wellesley College Alumnae Assoc

    EIN 222531653 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  51. Wellesley College Alumnae Assoc

    EIN 237156518 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  52. Wellesley College Alumnae Assoc

    EIN 237161278 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  53. Wellesley College Alumnae Assoc

    EIN 237167383 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  54. Wellesley College Alumnae Assoc

    EIN 237168323 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  55. Wellesley College Alumnae Assoc

    EIN 237168457 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  56. Wellesley College Alumnae Assoc

    EIN 237169871 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  57. Wellesley College Alumnae Assoc

    EIN 237170576 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  58. Wellesley College Alumnae Assoc

    EIN 237174059 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  59. Wellesley College Alumnae Assoc

    EIN 237176994 · Headquarters: Sharon, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  60. Wellesley College Alumnae Assoc

    EIN 237178052 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  61. Wellesley College Alumnae Assoc

    EIN 237178922 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  62. Wellesley College Alumnae Assoc

    EIN 237179138 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  63. Wellesley College Alumnae Assoc

    EIN 237179154 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  64. Wellesley College Alumnae Assoc

    EIN 237180155 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  65. Wellesley College Alumnae Assoc

    EIN 237180656 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  66. Wellesley College Alumnae Assoc

    EIN 237185247 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  67. Wellesley College Alumnae Assoc

    EIN 237186938 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  68. Wellesley College Alumnae Assoc

    EIN 237188238 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  69. Wellesley College Alumnae Assoc

    EIN 237191996 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  70. Wellesley College Alumnae Assoc

    EIN 237195714 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  71. Wellesley College Alumnae Assoc

    EIN 237211790 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  72. Wellesley College Alumnae Assoc

    EIN 237211799 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  73. Wellesley College Alumnae Assoc

    EIN 237211800 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  74. Wellesley College Alumnae Assoc

    EIN 237211802 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  75. Wellesley College Alumnae Assoc

    EIN 237211804 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  76. Wellesley College Alumnae Assoc

    EIN 237211805 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  77. Wellesley College Alumnae Assoc

    EIN 237211806 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  78. Wellesley College Alumnae Assoc

    EIN 237211807 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  79. Wellesley College Alumnae Assoc

    EIN 237211808 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  80. Wellesley College Alumnae Assoc

    EIN 237213564 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  81. Wellesley College Alumnae Assoc

    EIN 237216457 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  82. Wellesley College Alumnae Assoc

    EIN 237216460 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  83. Wellesley College Alumnae Assoc

    EIN 237229600 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  84. Wellesley College Alumnae Assoc

    EIN 237233552 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  85. Wellesley College Alumnae Assoc

    EIN 237239212 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  86. Wellesley College Alumnae Assoc

    EIN 237239372 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  87. Wellesley College Alumnae Assoc

    EIN 237244242 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  88. Wellesley College Alumnae Assoc

    EIN 237290523 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  89. Wellesley College Alumnae Assoc

    EIN 237292130 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  90. Wellesley College Alumnae Assoc

    EIN 237354764 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  91. Wellesley College Alumnae Assoc

    EIN 237375415 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  92. Wellesley College Alumnae Assoc

    EIN 237391034 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  93. Wellesley College Alumnae Assoc

    EIN 274752088 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  94. Wellesley College Alumnae Assoc

    EIN 346600106 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  95. Wellesley College Alumnae Assoc

    EIN 510151137 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  96. Wellesley College Alumnae Assoc

    EIN 510192738 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  97. Wellesley College Alumnae Assoc

    EIN 526059714 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  98. Wellesley College Alumnae Assoc

    EIN 541160331 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  99. Wellesley College Alumnae Assoc

    EIN 541226845 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  100. Wellesley College Alumnae Assoc

    EIN 561745128 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

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