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. Chelmsford Pop Warner Football Inc

    EIN 521656310 · Headquarters: Chelmsford, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  2. Chelmsford Rotary Club Inc

    EIN 043187217 · Headquarters: CHELMSFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Chelmsford Swimming & Tennis Club

    EIN 042394051 · Headquarters: CHELMSFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Chelmsford Telemedia Corporation

    EIN 222534334 · Headquarters: CHELMSFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Chelmsford Youth Baseball Inc

    EIN 237448380 · Headquarters: Chelmsford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Chelsea Chamber of Commerce

    EIN 042255031 · Headquarters: CHELSEA, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Chelsea Corporation For Economic Progress

    EIN 222507101 · Headquarters: Chelsea, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Chelsea Firefighters Association - Local 937

    EIN 237147868 · Headquarters: CHELSEA, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Chelsea Firemens Relief Association

    EIN 046116411 · Headquarters: Chelsea, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Chelsea Lodge No 736 Loyal Order of Moose

    EIN 042469277 · Headquarters: Everett, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  11. Chelsea Police Superior Officers Association

    EIN 043582958 · Headquarters: Chelsea, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  12. Chelsea Research Festival Inc

    EIN 990446615 · Headquarters: Chelsea, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Chelsea Softball League

    EIN 611710795 · Headquarters: Chelsea, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  14. Chelsea Yacht Club

    EIN 222628234 · Headquarters: Chelsea, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Cheng Wu Foundation

    EIN 387114390 · Headquarters: Carlisle, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. Cherry Street and Gold Street Neighborho

    EIN 042868632 · Headquarters: SHREWSBURY, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Chervenak-nunnalle Foundation Inc

    EIN 262414940 · Headquarters: LENOX, MA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  18. Cheryl Spencer Memorial Foundation C/o Mark Spencer

    EIN 046360057 · Headquarters: Newburyport, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  19. Cheshire Rod & Gun Club Inc

    EIN 900170189 · Headquarters: CHESHIRE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. Chester Ford Trust Uwill

    EIN 046018926 · Headquarters: HANOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. Chester Foundation Inc

    EIN 222946812 · Headquarters: Chester, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Chesterfield Bend Conservation Trust

    EIN 046135026 · Headquarters: Sunderland, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Chesterfield Fourth of July Association Inc

    EIN 223191069 · Headquarters: Williamsburg, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Chesterfield Historical Society

    EIN 042588820 · Headquarters: Chesterfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Chestnut Hill Association Inc

    EIN 042621270 · Headquarters: Chestnut Hill, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  26. Chestnut Hill Garden Club

    EIN 237076215 · Headquarters: CHESTNUT HILL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Chestnut Street Associates

    EIN 046112437 · Headquarters: SALEM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  28. Chestnut Street Meeting House and Cemetery Associa

    EIN 046057477 · Headquarters: MILLVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Chevrat Nashim Inc

    EIN 042742351 · Headquarters: SHARON, MA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  30. Chi Alpha Chapter of Chi Omega Fraternity

    EIN 042609799 · Headquarters: Medford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Chi Alpha of Chi Omega House Corp

    EIN 043038542 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  32. Chi Omega Fraternity

    EIN 042110125 · Headquarters: Amherst, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Chi Omega Fraternity

    EIN 043456389 · Headquarters: Wakefield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Chi Omega Fraternity

    EIN 203744371 · Headquarters: Wellesley Hills, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Chi Omega Fraternity Epsilon Mu Chapter

    EIN 814308762 · Headquarters: Norton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Chi Omega Incorporated Iota Beta Chapter

    EIN 046065156 · Headquarters: Amherst, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  37. Chi Phi Fraternity Inc

    EIN 452813715 · Headquarters: Dartmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Chicopee Center Legion Home Inc

    EIN 042158458 · Headquarters: CHICOPEE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Chicopee Chamber of Commerce

    EIN 042316279 · Headquarters: Chicopee, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Chicopee Child Development Center Inc

    EIN 042456912 · Headquarters: CHICOPEE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Chicopee Education Association Inc

    EIN 237255471 · Headquarters: Chicopee, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  42. Chicopee Falls Chapter 1489 Women of the Moose

    EIN 237520848 · Headquarters: Chicopee, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Chicopee Falls Lodge No 1849 Loyal Order of Moose

    EIN 046061358 · Headquarters: Chicopee, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Chicopee Firefighters IAFF Local #1710

    EIN 510226950 · Headquarters: Chicopee, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. Chicopee High School Class of 2003

    EIN 263527168 · Headquarters: Dedham, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  46. Chicopee Lodge Bpoe 1849

    EIN 042200441 · Headquarters: CHICOPEE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Chicopee Patrolman Union Local 485

    EIN 934293870 · Headquarters: CHICOPEE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. Chicopee Senior Travel Club

    EIN 832657213 · Headquarters: Chicopee, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Chief Roosa Scholarship Foundation Inc

    EIN 883836647 · Headquarters: LEE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. Child and Family Services Inc

    EIN 042104754 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Child Care of the Berkshires Inc

    EIN 042457299 · Headquarters: NORTH ADAMS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Child Development Health and Nutrition Inc

    EIN 042738698 · Headquarters: LAKEVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Children Law Center of Massachusetts Inc

    EIN 042622153 · Headquarters: Lynn, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Children Of Kilimanjaro Orphanage Inc

    EIN 844832555 · Headquarters: Bellingham, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Children's After School Programs Inc

    EIN 042927795 · Headquarters: HUDSON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Children's Cerebral Palsy Foundation

    EIN 222845229 · Headquarters: BROOKLINE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  57. Children's Hospital Pathology Foundation Inc

    EIN 043085427 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  58. Children's League of Massachusetts Inc

    EIN 043263696 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Children's Own School Inc

    EIN 046006613 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Children's Sports Medicine Foundation Inc

    EIN 042970129 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  61. Childrens Equality and Opportunity Foundation

    EIN 471258692 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  62. Childrens Haven Inc

    EIN 042133242 · Headquarters: Douglas, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Childrens International Summer Villages Inc

    EIN 813136257 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  64. Childrens Literature New England

    EIN 042997666 · Headquarters: Brookline, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  65. Childrens School of Science Inc

    EIN 046002219 · Headquarters: WOODS HOLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Childrens Urological Foundation Inc Retiree Medical Savings Account

    EIN 326817745 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Childs Park Foundation Inc

    EIN 042143976 · Headquarters: HADLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  68. Chilmark Associates C/o Katherine Mccord

    EIN 042129222 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. China Evangelical Seminary Association Inc

    EIN 042503017 · Headquarters: Lexington, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. China Golf Collectors Society Inc

    EIN 475069476 · Headquarters: HADLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  71. Chinese Progressive Association

    EIN 042631569 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Ching Yi Pan Ho Charitable Fund

    EIN 043221019 · Headquarters: LEXINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  73. Chios Societies of America Inc

    EIN 112773195 · Headquarters: Winchester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Chippewa Athletic Club Inc

    EIN 042857768 · Headquarters: South Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Chiropractic Foundation of Massachusetts Inc

    EIN 042772867 · Headquarters: Whitinsville, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  76. Chiropractic Society Inc Massachusetts

    EIN 046193031 · Headquarters: Braintree, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. CHMC Cardiovascular Surgical Foundation Inc

    EIN 042764370 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  78. Chmc Surgical Foundation Inc Retiree Medical Savings Trust

    EIN 413456505 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. Choral Art Society of the South Shore Inc

    EIN 042625231 · Headquarters: SCITUATE, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Chorus North Shore

    EIN 042678704 · Headquarters: ROCKPORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. CHP Berkshires

    EIN 042582119 · Headquarters: Great Barrington, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Chris Dailey Memorial Fund Inc

    EIN 393228821 · Headquarters: GLOUCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Chris DiBello #32 Foundation Inc

    EIN 800992666 · Headquarters: Sutton, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Christian Latinos Achieving Success Scholarship Fund

    EIN 161726031 · Headquarters: NORTH GRAFTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Christian Methodist Church

    EIN 222717132 · Headquarters: LAWRENCE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. Christian Mission Holiness Church of Cambridge

    EIN 046183540 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Christina Estates Homeowners Association

    EIN 863320042 · Headquarters: COHASSET, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Christina M Mihos Youth Foundation

    EIN 043164157 · Headquarters: BROCKTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  89. Christmas Brook Figure Skating Club Inc

    EIN 042691330 · Headquarters: Williamstown, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Christo & Mary Cocaine Charitable

    EIN 046111550 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. Christopher Building Association of Middleborough Inc

    EIN 223226977 · Headquarters: Middleboro, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Christopher Columbus Italian Mutual Aid & Benefit Inc

    EIN 222543839 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  93. Christopher F Cook Memorial Scholarship Trust Fund

    EIN 042888834 · Headquarters: SCITUATE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  94. Christopher House Inc

    EIN 223196624 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Christopher J Cronin Memorial Scholarship Fund Inc

    EIN 931375600 · Headquarters: Attleboro, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Christopher M Forte Scholarship Trust

    EIN 847111845 · Headquarters: PITTSFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  97. Christs Order

    EIN 954224377 · Headquarters: Hyde Park, MA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  98. Chu Family Charitable Foundation Inc

    EIN 043224331 · Headquarters: BOLTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  99. Church of Jesus United Ministries Shalom

    EIN 814871654 · Headquarters: HAVERHILL, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Churchill Landing Association Inc

    EIN 042658527 · Headquarters: Plymouth, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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