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. The Tavern Club

    EIN 041893630 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. The Taylor Foundation C/o Taylor Ganson & Perrin LLP

    EIN 046855950 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  3. The Thoracic Foundation C/O Taylor Ganson & Perrin LLP

    EIN 042226641 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  4. The Thoreau Society Inc

    EIN 166035496 · Headquarters: CONCORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. The Tjx Foundation Inc

    EIN 042399760 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  6. The Touchdown Club of Arlington

    EIN 222682420 · Headquarters: Arlington, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. The Townscape Institute Inc

    EIN 042680639 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  8. The Trust Family Foundation

    EIN 026070843 · Headquarters: BROOKLINE, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  9. The Trustees of the Smith Charities

    EIN 042105778 · Headquarters: NORTHAMPTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. The Tunxis Club Inc

    EIN 060739614 · Headquarters: TOLLAND, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. The Turpin-allebrand Family Charitable Foundation

    EIN 954419892 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. The Tuthill Family Foundation

    EIN 043213327 · Headquarters: NORTH ATTLEBORO, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  13. The Ulf B Heide and Elizabeth C Heide Foundation Charitable Trust

    EIN 046665830 · Headquarters: WESTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  14. The United States Pony Clubs Inc

    EIN 042656122 · Headquarters: Wakefield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. The Urban Charitable Trust

    EIN 222861919 · Headquarters: NEEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. The Velmans Foundation Inc C/o Hester Velmans

    EIN 133321706 · Headquarters: SHEFFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  17. The Vernon K Krieble Foundation Inc C/o Greenbergrosenblattkull & Bitsoli

    EIN 222538914 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  18. The Vfw Satuit Post 3169

    EIN 042139615 · Headquarters: SCITUATE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. The Victor Herbert Foundation

    EIN 237044623 · Headquarters: Newton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  20. The Victoria Glickman Hodgkins Family Foundation Inc- C/o Victoria Hodgkins

    EIN 993569744 · Headquarters: MILL RIVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  21. The Vingo Trust Iii

    EIN 223106692 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  22. The Virginia Wellington Cabot Foundation C/o Gma Foundations

    EIN 046728351 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. The Voice of the Armenian Church Inc

    EIN 222544264 · Headquarters: SUTTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  24. The Wakefield Center Neighborhood Association Inc

    EIN 042703257 · Headquarters: WAKEFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. The Wang Foundation Co Mary Kathleen

    EIN 222858458 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  26. The Wapack Foundation

    EIN 046178371 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  27. The Washington Social and Musical Club

    EIN 041949460 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  28. The Way of Life Church

    EIN 461105083 · Headquarters: Springfield, MA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  29. The Wayside Inn

    EIN 042105813 · Headquarters: SUDBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. The Wedgwood Society of Boston Inc

    EIN 043261732 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. The Weinstein Family Foundation

    EIN 467450190 · Headquarters: WESTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  32. The Welcome Party Inc

    EIN 843511352 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  33. The Welcome Project Inc

    EIN 043088140 · Headquarters: Somerville, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. The Wellesley Cooperative Nursery School

    EIN 042557074 · Headquarters: South Natick, MA, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. The Wellspring Foundation C/o Berger Katz Weishaus

    EIN 133457878 · Headquarters: CANTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  36. The Weston Firemens Relief Association

    EIN 046048838 · Headquarters: Weston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. The Weston Golf Club

    EIN 041962940 · Headquarters: WESTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. The White Companies Charitable Trust

    EIN 042731784 · Headquarters: AUBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  39. The White Fund Inc

    EIN 042761754 · Headquarters: LAWRENCE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  40. The Wiesler Family Foundation C/o Rubin and Rudman Llp

    EIN 306170527 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  41. The Wilcox Family Foundation

    EIN 226474493 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  42. The William & Lia G Poorvu Family Foundation

    EIN 042651199 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  43. The William D Guiod Memorial Scholarship Fund

    EIN 208760136 · Headquarters: Dedham, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  44. The William F Connell Charitable Trust

    EIN 222778156 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  45. The William J Gould Associates Inc

    EIN 042134819 · Headquarters: MONTEREY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. The William P Goldman and Brothers Foundation Inc

    EIN 136163100 · Headquarters: ARLINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. The William Sadowsky Family Foundation C/o Virginia Levsky

    EIN 046112178 · Headquarters: LONGMEADOW, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  48. The Windsor Club

    EIN 041937800 · Headquarters: Waban, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  49. The Wish Project

    EIN 203249145 · Headquarters: LOWELL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. The Wolf Family Charitable Trust

    EIN 222509486 · Headquarters: LINCOLN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  51. The Woods Hole Oceanographic Institution Tax Exempt Employee Welfare Benefits Trust

    EIN 043282355 · Headquarters: WOODS HOLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. The Woodward School for Girls Inc

    EIN 042952746 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. The Workers Compensation Rating & Inspection Bureau of Massachusetts

    EIN 041591010 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. The Writers Room of Boston Inc

    EIN 043181346 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Theatre Musicians Association

    EIN 943179228 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Theatre Owners of New England Inc

    EIN 041469520 · Headquarters: Eastham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Theodore Edson Parker Foundation

    EIN 046036092 · Headquarters: LOWELL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  58. Theosophical Society in Boston Trust

    EIN 237358060 · Headquarters: MAYNARD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Theosophical Society of Boston Mass Besant Lodge

    EIN 042443584 · Headquarters: N BROOKFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Theresa A and Maurice L Sullivan Humanitarian Trust

    EIN 042778084 · Headquarters: PEABODY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  61. Thesmarthelp Foundation Corp

    EIN 853416239 · Headquarters: SHREWSBURY, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  62. Theta Chapter of Theta Chi

    EIN 392549308 · Headquarters: Amherst, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Theta Chi Fraternity Epsilon Theta Chapter

    EIN 042211737 · Headquarters: Somerville, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Theta Chi Fraternity Inc

    EIN 042112594 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Theta Corporation of Theta Chi Fraternity

    EIN 046144059 · Headquarters: Needham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Theta Delta Chi Theta Deuteron

    EIN 046115213 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Theta Mu Housing Corporation C/o Andrew Geraghty

    EIN 260697310 · Headquarters: WATERTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  68. Theta Xi Fraternity (Delta Chapter Mit)

    EIN 042129483 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Thirteen-nineteen Building Association Inc

    EIN 222561733 · Headquarters: WALPOLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Thomas Anthony Pappas Charitable Foundation Inc

    EIN 510153284 · Headquarters: Belmont, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  71. Thomas B Griffith Fund

    EIN 046060207 · Headquarters: Middleboro, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  72. Thomas J & Donna B Mulhern Charitable Tr

    EIN 856584585 · Headquarters: Natick, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  73. Thomas Livesey Memorial Club Inc

    EIN 222484648 · Headquarters: FAIRHAVEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Thomas P Sweeney American Legion Post 142

    EIN 046292215 · Headquarters: Ashburnham, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Thomas Q Cash Ii Memorial Scholarship Fund

    EIN 020439264 · Headquarters: Sudbury, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Thomas Rotch Trust Under Will Ee Watts Iii Trustee

    EIN 046034871 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Thomas Thompson Trust

    EIN 030179429 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. Thorny Lea Golf Club Inc

    EIN 041902787 · Headquarters: BROCKTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Thread & Needle Society of Salem

    EIN 046136871 · Headquarters: Salem, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Thrive on Campus Inc

    EIN 042456294 · Headquarters: CAMBRIDGE, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Tie-boston Inc

    EIN 043352691 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Tiger Athletic Club of Chicopee Inc

    EIN 042502089 · Headquarters: CHICOPEE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. Tikkun Olam Films Inc

    EIN 844140717 · Headquarters: Somerville, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Timberlane Community Chorus

    EIN 841665325 · Headquarters: Haverhill, MA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  85. Time Trade Circle Inc

    EIN 461465126 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Timothy Furdon Foundation

    EIN 991177669 · Headquarters: Natick, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Tin Can Sailors Inc

    EIN 042777916 · Headquarters: SOMERSET, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Tina in Our Hearts

    EIN 465458167 · Headquarters: HOLYOKE, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  89. Tir Na Nog Council

    EIN 923827799 · Headquarters: Watertown, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. Tisbury Waterways Inc

    EIN 043037425 · Headquarters: Tisbury, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Titantic Historical Society Inc

    EIN 042579354 · Headquarters: Indian Orchard, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Titicut Parish Cemetery Inc

    EIN 046056452 · Headquarters: WEST BRIDGEWATER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Tjl Athletic Trauma Recovery Foundation Inc

    EIN 830907301 · Headquarters: Westford, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  94. Tkn Associates Inc

    EIN 862900489 · Headquarters: Woburn, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Tlc Trust Inc

    EIN 042773389 · Headquarters: FITCHBURG, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Toastmaster International

    EIN 901494661 · Headquarters: Allston, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  97. Toastmasters International

    EIN 020452655 · Headquarters: Amesbury, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Toastmasters International

    EIN 020582127 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Toastmasters International

    EIN 042755401 · Headquarters: North Attleboro, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Toastmasters International

    EIN 043042096 · Headquarters: Uxbridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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