Nonprofits in Massachusetts

Nonprofits in Massachusetts. Browse 52,168 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. Assyrian American Association of Massachusetts Inc

    EIN 261933107 · Headquarters: N Grafton, MA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Aster Montessori School Inc

    EIN 471417900 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. 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

  4. Aston Magna Foundation

    EIN 237222420 · Headquarters: Great Barrington, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  5. Astor Assets Inc

    EIN 043170766 · Headquarters: BOSTON, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Astromath Inc

    EIN 873270044 · Headquarters: Belmont, MA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Astronomical Society of Southern New England Inc

    EIN 043256945 · Headquarters: Foxborough, MA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Asylum Support Fund Inc

    EIN 843443808 · Headquarters: Chelsea, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. At Home and Afar

    EIN 461511820 · Headquarters: MARSHFIELD, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. At Home in Melrose Inc

    EIN 800347707 · Headquarters: Melrose, MA, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  11. At Lana Foundation Uganda Nfp

    EIN 822588424 · Headquarters: WOBURN, MA, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  12. At Sixes and Sevens Inc

    EIN 462750916 · Headquarters: Orleans, MA, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  13. At Taqwa Society

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

  14. Ata Triathlon Club

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

  15. Atallah Foundation Corp

    EIN 851145586 · Headquarters: METHUEN, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Ateneo Dominicano De Nueva Inglaterra

    EIN 833612070 · Headquarters: LAWRENCE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Ateneu Luso Americano Inc

    EIN 042779522 · Headquarters: FALL RIVER, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990

  18. Athena Educational Resources

    EIN 010874157 · Headquarters: florence, MA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  19. Athena School of Arms

    EIN 815137522 · Headquarters: CAMBRIDGE, MA, USA · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  20. Atheneum Society of Wilbraham Inc

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

  21. Athina Education

    EIN 921654740 · Headquarters: Sudbury, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Athletes Direction

    EIN 461556737 · Headquarters: Sandwich, MA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Athletes Unlimited Newton Ma Inc

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

  24. Athletic Field Rejuvenation Inc

    EIN 991863837 · Headquarters: SOUTHWICK, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Athletic Trainers of Mass Inc

    EIN 222507198 · Headquarters: Burlington, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. 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

  27. Athol Area United Way Inc

    EIN 222475554 · Headquarters: Fitchburg, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  28. Athol Area YMCA

    EIN 042103727 · Headquarters: Athol, MA, United States · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Athol Bird and Nature Club Inc

    EIN 043409595 · Headquarters: Athol, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. Athol Credit Union

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

  31. Athol High School Class of 2014 Reunions

    EIN 472642403 · Headquarters: New Salem, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Athol High School Scholarship Association

    EIN 046044715 · Headquarters: ATHOL, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Athol Historical Society Inc

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

  34. Athol Kindness Connection Inc

    EIN 990519298 · Headquarters: Athol, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Athol Lions Club Inc

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

  36. Athol Lions Club Llc

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

  37. Athol Memorial Hospital

    EIN 042126583 · Headquarters: Athol, MA, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  38. Athol Memorial Hospital NMTC Holdings

    EIN 822171549 · Headquarters: Gardner, MA, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  39. Athol Royalston Education Foundation Inc

    EIN 043547328 · Headquarters: Athol, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Athol Sportsman Club Inc

    EIN 900174736 · Headquarters: Athol, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Athol-mahar Youth Sports Inc

    EIN 821000705 · Headquarters: Orange, MA, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  42. Athol-orange Aero Club Inc

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

  43. Athol-orange Community Television Inc

    EIN 043231409 · Headquarters: Athol, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Atkinson Parent Teacher Org

    EIN 043527885 · Headquarters: North Andover, MA, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  45. Atlantic Chapter - Apco Inc

    EIN 112551639 · Headquarters: NATICK, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Atlantic Hockey America Inc

    EIN 200085846 · Headquarters: BOSTON, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Atlantic Humanitarian Relief Inc

    EIN 461749616 · Headquarters: DEDHAM, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  48. Atlantic Paddle Boarding Association Inc

    EIN 451989479 · Headquarters: Salisbury, MA, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  49. Atlantic Public Media Inc

    EIN 223274302 · Headquarters: WOODS HOLE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. Atlantic Resiliency Innovation Institute Incorporated

    EIN 934560238 · Headquarters: MARSHFIELD, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Atlantic Round Incorporated

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

  52. Atlantic Symphony Orchestra Inc

    EIN 237136079 · Headquarters: HINGHAM, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Atlantic Union College

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

  54. Atlantic Union College Alumni Association

    EIN 842081683 · Headquarters: Shrewsbury, MA, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  55. Atlantic White Shark Conservancy Inc

    EIN 460949763 · Headquarters: CHATHAM, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Atlantic Wind Symphony Inc

    EIN 453858326 · Headquarters: Leominster, MA, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  57. Atlantic Womens Health Inc

    EIN 200156651 · Headquarters: SOUTH WEYMOUTH, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Atlantis Educational Foundation Inc

    EIN 471751988 · Headquarters: FALL RIVER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Atlantis Foundation Inc

    EIN 562315759 · Headquarters: SPENCER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  60. Atlas Foundation

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

  61. Atletico Juniors Futbol Club Inc

    EIN 461032961 · Headquarters: LAWRENCE, MA, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  62. Atomic Age Theater Inc

    EIN 452924274 · Headquarters: Brookline, MA, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  63. Atrium School

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

  64. Atrius Health Equity Foundation Inc

    EIN 264517944 · Headquarters: BOSTON, MA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  65. Atrius Health Inc

    EIN 010803117 · Headquarters: NEWTON, MA, USA · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990

  66. Atrius Health Inc

    EIN 043397450 · Headquarters: NEWTON, MA, USA · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990

  67. ATS Foundation Corporation

    EIN 872821046 · Headquarters: ANDOVER, MA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  68. Att-texins Association Inc

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

  69. Attached Track Club Inc

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

  70. Attachment Institute of New England Inc

    EIN 043708585 · Headquarters: WORCESTER, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990

  71. Attitude Check Theater Inc

    EIN 825369446 · Headquarters: Fall River, MA, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  72. Attleboro Access Cable System Inc

    EIN 320157444 · Headquarters: ATTLEBORO, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Attleboro Angels

    EIN 921680226 · Headquarters: Attleboro, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Attleboro Area Birth Right Inc

    EIN 237405230 · Headquarters: ATTLEBORO, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  75. Attleboro Area Golf Association Inc

    EIN 463370003 · Headquarters: Attleboro, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Attleboro Area Industrial Museum Inc

    EIN 510201143 · Headquarters: ATTLEBORO, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  77. Attleboro Area School to Career Partnership Inc

    EIN 043513745 · Headquarters: Attleboro, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. 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

  79. 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

  80. Attleboro Community Theater Inc

    EIN 043420013 · Headquarters: Attleboro, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Attleboro Corporate Center Association Inc

    EIN 204094844 · Headquarters: ATTLEBORO, MA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Attleboro Education Association

    EIN 364960925 · Headquarters: Attleboro, MA, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Attleboro Educational Clerical Association

    EIN 043052514 · Headquarters: Attleboro, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Attleboro Enterprises Development Corporation

    EIN 043425082 · Headquarters: NORTH ATTLEBORO, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Attleboro Enterprises Inc

    EIN 042660632 · Headquarters: NORTH ATTLEBORO, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Attleboro Enterprises Properties Inc

    EIN 043287662 · Headquarters: NORTH ATTLEBORO, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Attleboro Field Hockey Booster Club

    EIN 393126364 · Headquarters: Attleboro, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Attleboro Garden Club

    EIN 800603012 · Headquarters: ATTLEBORO, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. 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

  90. Attleboro Historic Preservation Society Inc

    EIN 043476726 · Headquarters: Attleboro, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Attleboro Historical Volunteers

    EIN 237360150 · Headquarters: attleboro, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Attleboro Housing Associates Inc

    EIN 043256573 · Headquarters: ATTLEBORO, MA, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Attleboro Jr Bombardiers Ice Hockey Program

    EIN 992363074 · Headquarters: Attleboro, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Attleboro Land Trust Inc

    EIN 223079902 · Headquarters: ATTLEBORO, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. 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

  96. Attleboro Museum Inc

    EIN 046004922 · Headquarters: ATTLEBORO, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Attleboro Music Parents Association

    EIN 223530089 · Headquarters: Attleboro, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Attleboro Norton YMCA

    EIN 042255819 · Headquarters: ATTLEBORO, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Attleboro Paraprofessional Association

    EIN 461416026 · Headquarters: Attleboro, MA, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Attleboro Police Association

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

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