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. Whittier Health Network Charitable Foundation Inc

    EIN 043138344 · Headquarters: HAVERHILL, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. Whittier Reg Vocational Supportive Staff Assoc

    EIN 042685198 · Headquarters: Haverhill, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Whs Swim Booster Club

    EIN 933388781 · Headquarters: Weymouth, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Whs Ultimate Frisbee

    EIN 461175835 · Headquarters: Winchester, MA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  5. Why Me Inc

    EIN 042880644 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  6. Wianno Club Inc

    EIN 041971640 · Headquarters: OSTERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  7. Wianno Yacht Club

    EIN 042064443 · Headquarters: OSTERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Wickaboag Sportsmans Club

    EIN 046075716 · Headquarters: West Brookfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Wicn Public Radio Inc

    EIN 042500578 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Wilbraham and Monson Academy

    EIN 042105838 · Headquarters: WILBRAHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Wilbraham Friends of the Library Inc

    EIN 042620151 · Headquarters: Wilbraham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Wilbraham Rotary Memorial Foundation Inc

    EIN 222633046 · Headquarters: WILBRAHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  13. Wild Image Extreme

    EIN 800389772 · Headquarters: brockton, MA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  14. Wilder Charitable & Educational Fund Inc

    EIN 042179067 · Headquarters: HINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  15. Wildlife Rehabilitation and Release Foundation of Central Ma

    EIN 473216190 · Headquarters: Hubbardston, MA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  16. Wildlife Rehabilitators Association of Massachusetts Inc

    EIN 043174534 · Headquarters: North Grafton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Will Vaus Ministries

    EIN 930968767 · Headquarters: Cummaquid, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Willard House & Clock Museum Inc

    EIN 042671799 · Headquarters: NORTH GRAFTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  19. Willard School Parent Teacher Group

    EIN 237352649 · Headquarters: Concord, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Willett Pond Charitable and Protection Association Inc

    EIN 042952135 · Headquarters: WALPOLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. William & Jennie Gladding Family Park Tr

    EIN 066203940 · Headquarters: Lynnfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. William a Lynch Tr Uw Charitable Trust

    EIN 046016042 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  23. William a Rich Scholarship Fund Charitable Tr

    EIN 046504012 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. William a Richardson Trust Ui

    EIN 046045863 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  25. William and Cynthia Marcus Family Charitable Trust

    EIN 046042910 · Headquarters: CHESTNUT HILL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. William B Rice Aid Fund Inc

    EIN 046058104 · Headquarters: HUDSON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. William Beecher Scoville Foundation Inc

    EIN 136184954 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  28. William E Maloney Foundation

    EIN 046131998 · Headquarters: LEXINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  29. William E Schrafft and Bertha E Schrafft Charitable Trust

    EIN 046065605 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  30. William F Ray Foundation

    EIN 136271610 · Headquarters: Sherborn, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. William Gaver Annunciata Memorial Scholarship Fund

    EIN 826331818 · Headquarters: COTUIT, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  32. William H Harris Foundation

    EIN 046197960 · Headquarters: LEXINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  33. William H Reisner Foundation

    EIN 046108949 · Headquarters: CLINTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  34. William Harold Francis Austin Trust Uw Chari

    EIN 042714929 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  35. William Howard Taft High School Class of 1964 50Th Reunion

    EIN 464492677 · Headquarters: Malden, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  36. William James College

    EIN 042620216 · Headquarters: Newton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. William James College Psi Chi Chapter

    EIN 992767597 · Headquarters: NEWTON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. William Lowell Putnam Prize Fund for the Promotion of Scholarship

    EIN 043414102 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  39. William Makepeace Atwood Scholarship Fd Co

    EIN 223269387 · Headquarters: HANOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  40. William P Anderson Foundation Central Trust

    EIN 316034059 · Headquarters: SCITUATE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  41. William P Wharton Trust UW Art 2(D)

    EIN 046407797 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  42. William Rosenberg Family Foundation Inc

    EIN 592675613 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  43. William Sutton Lodge Af & Am Trustees of Real Estate

    EIN 061807984 · Headquarters: SAUGUS, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. William Townsend Porter Foundation C/o Hemenway & Barnes

    EIN 042104293 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. Williamsburg Cemetery Association

    EIN 042033929 · Headquarters: Williamsburg, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Williamstown Historical Museum

    EIN 046118588 · Headquarters: Williamstown, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Willits Hallowell Center Inc

    EIN 042565823 · Headquarters: South Hadley, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Wilmington Community Fund Inc

    EIN 237162629 · Headquarters: WILMINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Wilmington Cricket Club Inc

    EIN 844454585 · Headquarters: Wilmington, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Wilmington Fourth of July Celebration Inc

    EIN 042722218 · Headquarters: WILMINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. Wilmington Tewksbury Chamber of Commerce Inc

    EIN 042776543 · Headquarters: WILMINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. Wilshire Athletic Association

    EIN 237122076 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Winchendon Center for History and Culture Inc

    EIN 042400783 · Headquarters: WINCHENDON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Winchendon Health Foundation Inc

    EIN 042113276 · Headquarters: WINCHENDON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  55. Winchendon Rod and Gun Club Inc

    EIN 042499116 · Headquarters: WINCHENDON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Winchester Arms Collectors Association

    EIN 810370621 · Headquarters: Lakeville, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. Winchester Boat Club Inc

    EIN 041978020 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Winchester Chamber of Commerce Inc

    EIN 042663114 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Winchester Cooperative Nursery School Inc

    EIN 042534124 · Headquarters: Winchester, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Winchester Country Club

    EIN 041978080 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Winchester Firemans Relief Association

    EIN 046057339 · Headquarters: Winchester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Winchester Home & Garden Club

    EIN 203025864 · Headquarters: Winchester, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Winchester Lodge of Elks #1445 Incorporated

    EIN 042127422 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Winchester Mount Vernon House

    EIN 042104317 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  65. Winchester Police Assoc

    EIN 042660443 · Headquarters: Winchester, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Winchester Seniors Association Inc

    EIN 042605467 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. Winchester Seniors Association Trust

    EIN 510196372 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Winchester Square Vietnam Era Veterans Association Ltd

    EIN 042790202 · Headquarters: Springfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Winchester Swim Club Inc

    EIN 042376028 · Headquarters: S DARTMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. Winchester Tennis Association Inc

    EIN 921001846 · Headquarters: Winchester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Windhover Foundation Inc

    EIN 042708940 · Headquarters: ROCKPORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Windmill Winnies

    EIN 141735467 · Headquarters: Pittsfield, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  73. Wine & Food Society of Boston Inc

    EIN 042736731 · Headquarters: Ashland, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Wine and Spirits Wholesalers of Ma C/o Stephen Miller

    EIN 042195367 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Winnekenni Foundation Inc

    EIN 237391529 · Headquarters: HAVERHILL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Winning Home Inc C/O Albert Curran Jr

    EIN 046049776 · Headquarters: Concord, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  77. Winnisquam Park Association

    EIN 237248916 · Headquarters: Milford, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Winosia Charitable & Educational Trust

    EIN 043020360 · Headquarters: WINTHROP, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  79. Winter Hill Yacht Club Inc

    EIN 237067543 · Headquarters: SOMERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Winthrop Ames Scholarship

    EIN 046026810 · Headquarters: MARSHFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  81. Winthrop Chamber of Commerce Inc

    EIN 042807677 · Headquarters: WINTHROP, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  82. Winthrop Firefighters Local 1070 Inc

    EIN 992033658 · Headquarters: WINTHROP, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Winthrop Improvement & Historical Association

    EIN 046054758 · Headquarters: Winthrop, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  84. Winthrop Lodge of Elks #1078

    EIN 041079740 · Headquarters: WINTHROP, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Winthrop Yacht Club Inc

    EIN 041981140 · Headquarters: Winthrop, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  86. Wiping Out Drug Abuse Inc

    EIN 043022191 · Headquarters: Brockton, MA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  87. Wisdom of Family

    EIN 334652306 · Headquarters: HOLBROOK, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. Wit Police Union

    EIN 464561779 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Witch Hill Home Owners Association

    EIN 994973798 · Headquarters: Salem, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Woburn Chamber of Commerce Inc

    EIN 042845604 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Woburn Council of Social Concern Inc

    EIN 042494773 · Headquarters: Woburn, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Woburn Firefighters Local 971

    EIN 046143969 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Woburn Guild of Artists Inc

    EIN 042685922 · Headquarters: Woburn, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Woburn Little League

    EIN 521277710 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  95. Woburn Lodge No 1214 Loyal Order of Moose

    EIN 041559050 · Headquarters: Woburn, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Woburn Masonic Temple Association Inc

    EIN 237244321 · Headquarters: STONEHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Woburn Pee Wee Football Assoc Inc

    EIN 043096478 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Woburn Public Library

    EIN 046047185 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Woburn Sportsmens Association Inc

    EIN 042636548 · Headquarters: BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Woburn Youth Soccer Association Inc

    EIN 042800438 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

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