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. Cohasset Golf Club

    EIN 041189290 · Headquarters: COHASSET, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Cohasset Rotary Club Inc

    EIN 046130430 · Headquarters: Cohasset, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Cohasset Wrestling Booster Club

    EIN 043268202 · Headquarters: Cohasset, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  4. Cohasset Yacht Club

    EIN 042013382 · Headquarters: Cohasset, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Cohasset Youth Baseball & Softball

    EIN 043056784 · Headquarters: COHASSET, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Cohen Camps

    EIN 046003680 · Headquarters: WELLESLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Coin Club of Greater New Bedford

    EIN 042790928 · Headquarters: New Bedford, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Col Baileys 2Nd Mass Regiment Lear Brigade of Infantry Cont Line Inc

    EIN 222990663 · Headquarters: Clinton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Cold Spring Athletic Club

    EIN 041191330 · Headquarters: Plymouth, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Cole & Chase Fund

    EIN 464421176 · Headquarters: Acushnet, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  11. Colebrook Cemetery Asso9ciation

    EIN 041191828 · Headquarters: WHITMAN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Coleraine Land & Historic Preservation Trust

    EIN 010468328 · Headquarters: Colain, MA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  13. Collaborative Retirees Association Inc

    EIN 462962371 · Headquarters: middleton, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  14. Collage Inc

    EIN 237378044 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Collective Brothers and Sisters

    EIN 413144429 · Headquarters: EAST BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Collective Power Inc

    EIN 851884503 · Headquarters: HADLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Collectors Club of Boston

    EIN 810649038 · Headquarters: WOBURN, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. College Club of Greater Lawrence Co Elizabeth Davies

    EIN 222524154 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  19. College Year in Athens Inc Affiliates

    EIN 911948115 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Collicot Parent Teacher Organization

    EIN 043119224 · Headquarters: Milton, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  21. Collings Foundation

    EIN 042658294 · Headquarters: HUDSON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  22. Colonel James Hartshorne House Association Inc

    EIN 042857123 · Headquarters: Wakefield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Colonel James R Truden Tr Ui

    EIN 046428375 · Headquarters: HANOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  24. Colonel Timothy Bigelow Chapter Dar

    EIN 046112824 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Colonial Craftsmens Club of Colonial Massachusetts Inc

    EIN 042791214 · Headquarters: Holliston, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  26. Colonial Navy of Massachusetts

    EIN 042761956 · Headquarters: FALL RIVER, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Colony Retirement Homes Iii Inc

    EIN 042650115 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Colony Retirement Homes Inc

    EIN 042323137 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Colony Retirement Homes Iv Inc

    EIN 042668678 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Colorful Bridges

    EIN 851782969 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  31. Colorful Kidz Inc

    EIN 843566220 · Headquarters: COTUIT, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Columbia Social Club of Rockland Inc

    EIN 042673219 · Headquarters: ROCKLAND, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  33. Columbia University-presbyterian Hospita School of Nursing Alumni Association In

    EIN 131681281 · Headquarters: BOXBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Columbian Associates of Whitman Inc

    EIN 042590869 · Headquarters: Whitman, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. Columbian Corp of Easton

    EIN 800489502 · Headquarters: NORTH EASTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Columbian Mystic Circle

    EIN 372032184 · Headquarters: Haverhill, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Columbiettes Incorporated

    EIN 933829492 · Headquarters: Weymouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Columbiettes Incorporated Supreme Council

    EIN 412413590 · Headquarters: Methuen, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Columbus Associates of Cape Ann Inc

    EIN 046193860 · Headquarters: Gloucester, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Combined Jewish Appeal of Holyoke Inc

    EIN 046112802 · Headquarters: HOLYOKE, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Combined Jewish Philanthropies of Greater Boston

    EIN 046006566 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Comm Firefighters Association Inc

    EIN 237135197 · Headquarters: CENTERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Committee for a Prosperous Greenland Inc

    EIN 334138671 · Headquarters: Beverly, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Committee For An Open Waterfront Inc

    EIN 460982834 · Headquarters: Newburyport, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Committee for Northampton Inc

    EIN 223529750 · Headquarters: Florence, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Committee to Elect Andrew Shepherd

    EIN 874006947 · Headquarters: Townsend, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  47. Committee to Elect Susan Gravellese

    EIN 461734289 · Headquarters: REVERE, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  48. Common Purpose Inc

    EIN 043134509 · Headquarters: Jamaica Plain, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Commonskeepers Inc

    EIN 414855598 · Headquarters: Wellfleet, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Commonwealth Cancer Consortium Inc

    EIN 851681659 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Commonwealth Cricket Club

    EIN 043273391 · Headquarters: Shrewsbury, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Commonwealth of Massachusettsnage Health & Welfare Fund

    EIN 042845153 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Commonwealth Tenants Association Inc

    EIN 042697769 · Headquarters: BRIGHTON, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  54. Commonwealth United Inc

    EIN 334213380 · Headquarters: Needham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Commonwealth Vintage Dancers

    EIN 042898457 · Headquarters: Medford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Communication Workers of America

    EIN 041528710 · Headquarters: North Andover, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Communication Workers of America

    EIN 042044794 · Headquarters: INDIAN ORCHARD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Communication Workers of America

    EIN 042312143 · Headquarters: Holliston, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  59. Communication Workers of America

    EIN 042324412 · Headquarters: WARREN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Communication Workers of America

    EIN 042743345 · Headquarters: Quincy, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  61. Communication Workers of America

    EIN 222505912 · Headquarters: DRACUT, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  62. Communication Workers of America

    EIN 912019083 · Headquarters: Marblehehad, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  63. Communication Workers of America Iue-cwa Local 201

    EIN 042081536 · Headquarters: Lynn, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  64. Communications Workers of America

    EIN 912044190 · Headquarters: SAUGUS, MA, USA · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990

  65. Communications Workers of America 81255 Local

    EIN 041918027 · Headquarters: PITTSFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Communications Workers of America Local 51018

    EIN 042672437 · Headquarters: NORTH EASTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Community Action Agency of Somerville

    EIN 042740838 · Headquarters: SOMERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Community Action for Better Housing Inc

    EIN 043330633 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Community Action Pioneer Valley

    EIN 042384972 · Headquarters: GREENFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  70. Community Action Programs Inter-city In

    EIN 042428915 · Headquarters: CHELSEA, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Community Associations Institute of New England Inc

    EIN 042652955 · Headquarters: WELLESLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Community Center Trust

    EIN 042370198 · Headquarters: Methuen, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Community Change Inc

    EIN 042445805 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Community Chaplain Service Inc

    EIN 042565138 · Headquarters: Middleboro, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Community Connections of Greater Lowell Inc

    EIN 334896206 · Headquarters: LOWELL, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Community Credit Union of Lynn

    EIN 042207787 · Headquarters: LYNN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. Community Day Center of Waltham Inc

    EIN 562325323 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Community Day Charter Public School

    EIN 042473133 · Headquarters: Lawrence, MA, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Community Development Corporation of Boston Inc

    EIN 042474855 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Community Development Corporation of South Berkshire Inc

    EIN 043010725 · Headquarters: GREAT BARRINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Community Enrichment Inc

    EIN 042901651 · Headquarters: Springfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Community Garden Club of Cohasset Inc

    EIN 042671199 · Headquarters: Cohasset, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Community Hub for Academic and Mentorship Programs

    EIN 333164357 · Headquarters: East Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Community in Concert Inc

    EIN 383746905 · Headquarters: Southwick, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  85. Community Land Trust in the Southern Berkshires Inc

    EIN 042709835 · Headquarters: GREAT BARRINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Community Language Project Inc

    EIN 422077792 · Headquarters: Bedford, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Community Nursery School Inc

    EIN 042167319 · Headquarters: LEXINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Community of St John

    EIN 521901417 · Headquarters: Lancaster, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Community Renewal Inc % the Community Builders Inc

    EIN 222823715 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Community Rowing Inc

    EIN 042863756 · Headquarters: BRIGHTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  91. Community Service Care Inc

    EIN 042754281 · Headquarters: JAMAICA PLAIN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Community Service Network Inc

    EIN 222621963 · Headquarters: STONEHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Community Support Services Inc

    EIN 800522241 · Headquarters: Taunton, MA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  94. Companion Animal Program Inc

    EIN 042979276 · Headquarters: Chatham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Comparative Respiratory Society

    EIN 371133903 · Headquarters: North grafton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Compass Working Capital Inc

    EIN 203975100 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Compassion & Choices

    EIN 204047053 · Headquarters: Brookline, MA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  98. Composers Conference & Chamber Music Center Inc

    EIN 222514308 · Headquarters: WAYLAND, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Comprehensive Social Services of Attleboro Inc

    EIN 222490771 · Headquarters: Attleboro, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  100. Comunidade Crista De Adoradores No No Cape Cod

    EIN 853448603 · Headquarters: WEST YARMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

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