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. Ask About Lung Cancer Inc

    EIN 822978618 · Headquarters: CONCORD, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  2. Asociacion Familia Perez

    EIN 473931150 · Headquarters: Lynn, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Aspect Inc

    EIN 042632651 · Headquarters: Brookline, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Aspen Street Rod & Gun Club Inc

    EIN 042063129 · Headquarters: Ware, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. Aspire Academy

    EIN 464526545 · Headquarters: Northampton, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  6. Assabet Community Foundation Inc

    EIN 992513713 · Headquarters: Maynard, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Assabet Valley Chamber of Commerce Inc

    EIN 043064677 · Headquarters: Hudson, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Assabet Valley Mastersingers

    EIN 042709313 · Headquarters: NORTHBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Assisi Housing Corporation

    EIN 800662126 · Headquarters: New Bedford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Assoc Subcontractors of Mass Inc

    EIN 046041565 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Associacao Caboverdiana De Brockton Inc

    EIN 042636477 · Headquarters: Brockton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Associacao Cultural Lusitania Inc

    EIN 043230721 · Headquarters: FALL RIVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  13. Associated Builders & Contractors Inc Massachusetts Chapter

    EIN 042446474 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Associated Charities of Gloucester Investment

    EIN 046048893 · Headquarters: GLOUCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  15. Associated Electro-mechanics Employee Welfare Trust C/o Tracey Lebeau

    EIN 042622446 · Headquarters: SPRINGFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  16. Associated General Contractors of Ma Inc

    EIN 041045805 · Headquarters: WELLESLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Associated Industries of Massachusetts Inc

    EIN 041045830 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Associated Pilots Inc

    EIN 237427888 · Headquarters: Concord, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Associates Division of the Massachusetts State Police Inc

    EIN 222572593 · Headquarters: MIDDLEBORO, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Association for Behavioral Healthcare Inc

    EIN 043163014 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Association for Commuter Transportation

    EIN 521801878 · Headquarters: SHARON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Association for Commuter Transportation

    EIN 860839375 · Headquarters: Sharon, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Association for Commuter Transportation

    EIN 931223024 · Headquarters: Sharon, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Association for Croation Studies

    EIN 341449847 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Association for Educational Communications and Technology Fdn

    EIN 237328734 · Headquarters: FRANKLIN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Association for Information and Image Management International

    EIN 043187506 · Headquarters: Newton, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Association for Japanese Literary Studies

    EIN 263729405 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Association for Persons in Supported Employment

    EIN 043168797 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Association for Public Transportation Inc

    EIN 237336972 · Headquarters: Watertown, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. Association for Retarded Citizens of Greater Fall River Realty Inc

    EIN 222482234 · Headquarters: Attleboro, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Association for the Relief of Aged Women of New Bedford

    EIN 046056367 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  32. Association for Women in Science Inc

    EIN 753175497 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Association Foundation C/o Howard Cox

    EIN 132596907 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  34. Association of Certified Fraud Exam Iners Greater Boston Chapter

    EIN 043193332 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Association of Commuter Transportation

    EIN 931222955 · Headquarters: Sharon, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Association of Commuter Transportation

    EIN 931222977 · Headquarters: Sharon, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Association of Cotuit Mosquito Yacht Club Inc

    EIN 046126264 · Headquarters: COTUIT, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Association of Developmental Disabilities Providers Inc

    EIN 042859780 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Association of Field Service Employees

    EIN 237444868 · Headquarters: SOMERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Association of Fundraising Professionals

    EIN 043285845 · Headquarters: South Deerfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Association of Fundraising Professionals Massachusetts Chapter Inc

    EIN 222585614 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Association of Government Accountants-boston Chapter

    EIN 042625265 · Headquarters: PLYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Association of Independent Colleges and Universities of Massachusetts Inc

    EIN 042546632 · Headquarters: Belmont, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Association of Insurance Compliance Professionals

    EIN 222912483 · Headquarters: WAKEFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Association of Investment Management Sales Executives Inc

    EIN 049033006 · Headquarters: WAKEFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Association of Late Deafened Adults Inc

    EIN 043077507 · Headquarters: Pembroke, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Association of New England Ox Teamsters Inc

    EIN 800604510 · Headquarters: Douglas, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  48. Association of Notre Dame Clubs Inc - Cape Cod

    EIN 392051087 · Headquarters: Bourne, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Association of Notre Dame Clubs Inc - Pioneer Valley

    EIN 311075439 · Headquarters: WEST SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Association of Notre Dame Clubs Inc - Worcester County

    EIN 311344533 · Headquarters: Worcester, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Association of Operating Room Nurses Inc

    EIN 742653830 · Headquarters: Springfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Association of Operating Room Nurses Inc

    EIN 841599129 · Headquarters: North Reading, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Association of Professsional Administrators Inc

    EIN 042702867 · Headquarters: SALEM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Association of Raytheon Retirees

    EIN 043547290 · Headquarters: Bedford, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Association of State Retired Teacher Executives

    EIN 270080706 · Headquarters: Marlborough, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  56. Association of Strategic Alliance Professionals Inc New England

    EIN 352167027 · Headquarters: Canton, MA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  57. Association of the Harvard Class of 1960

    EIN 042923589 · Headquarters: EDGARTOWN, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Association of Town Finance Committees

    EIN 237039122 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Asthma & Allergy Foundation of America New England Chapter Inc

    EIN 042652894 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. At Taqwa Society

    EIN 872327890 · Headquarters: Malden, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  61. Ata Triathlon Club

    EIN 412256482 · Headquarters: Concord, MA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  62. Atheneum Society of Wilbraham Inc

    EIN 237348739 · Headquarters: Wilbraham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Athletes Unlimited Newton Ma Inc

    EIN 223075808 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Athol - Orange Lodge #1837 Benevolent Protective

    EIN 042134892 · Headquarters: Turners Falls, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  65. Athol Credit Union

    EIN 041046540 · Headquarters: ATHOL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Athol Historical Society Inc

    EIN 046125643 · Headquarters: ATHOL, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. Athol Lions Club Inc

    EIN 822693154 · Headquarters: Athol, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Athol Lions Club Llc

    EIN 814402387 · Headquarters: Athol, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  69. Athol-orange Aero Club Inc

    EIN 046060623 · Headquarters: Athol, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Atlantic Round Incorporated

    EIN 060960516 · Headquarters: Milton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Atlantic Union College

    EIN 042178860 · Headquarters: SOUTH LANCASTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  72. Atlas Foundation

    EIN 223045728 · Headquarters: NEEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  73. Atrium School

    EIN 042768241 · Headquarters: Watertown, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Att-texins Association Inc

    EIN 046075740 · Headquarters: ATTLEBORO, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  75. Attached Track Club Inc

    EIN 831887555 · Headquarters: Barre, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Attleboro Chapter Daughters of the American Revolution

    EIN 046110301 · Headquarters: Norton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Attleboro Chapter No 974 Women of the Moose

    EIN 237520844 · Headquarters: Attleboro, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  78. Attleboro High School Class of 1999

    EIN 943476746 · Headquarters: Attleboro, MA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  79. Attleboro Lodge 463 Loyal Order of Moose Inc

    EIN 041558990 · Headquarters: ATTLEBORO, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Attleboro Police Association

    EIN 271446062 · Headquarters: Attleboro, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  81. Attleboro Ski Club Inc

    EIN 046048841 · Headquarters: Attleboro, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Attleboro Varsity Booster Club Inc

    EIN 222473627 · Headquarters: ATTLEBORO, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  83. Au Pair Families Inc

    EIN 844955523 · Headquarters: Dedham, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  84. Aubert J Fay Charitable Fund

    EIN 510203622 · Headquarters: LOWELL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  85. Auburn Masonic Charitable Association Inc

    EIN 042679796 · Headquarters: AUBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  86. Auburn Mass Lodge 2118 Benevolent & Protective Order of Elks Inc

    EIN 042307911 · Headquarters: Auburn, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. Auburn Sportsmans Club Inc

    EIN 042520049 · Headquarters: Auburn, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Auburn Youth & Family Services Inc

    EIN 042658899 · Headquarters: AUBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Auburndale Community Nursery & Day Care Center Inc

    EIN 042864120 · Headquarters: Newton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Aurigan Scholarship Inc

    EIN 237002644 · Headquarters: Southfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Aurus Foundation Inc

    EIN 332021449 · Headquarters: NORWOOD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Austro-american Assoc of Boston

    EIN 042480736 · Headquarters: Wayland, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Autism Services Association Inc

    EIN 042470788 · Headquarters: WELLESLEY HILLS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Autism Society of Massachusetts

    EIN 991083807 · Headquarters: Dedham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Automobile Insurers Bureau of Massachusetts

    EIN 041589700 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. Automotive Recyclers of Massachusetts Inc

    EIN 042790731 · Headquarters: SOUTHBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Auxilia Nurturing

    EIN 981534294 · Headquarters: Sharon, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  98. Available Potential Enterprises Limited

    EIN 042685501 · Headquarters: NORTHAMPTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Avenues of Peace Inc

    EIN 271761876 · Headquarters: Pelham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Aw Vinyl Post 313 American Legion

    EIN 042256963 · Headquarters: N CHELMSFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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