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. American Homeless Veterans Corp

    EIN 844462814 · Headquarters: Boston, MA, US · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  2. American Horse Trials Foundation Inc

    EIN 521495923 · Headquarters: SOUTHWICK, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. American Humanist Association

    EIN 460918890 · Headquarters: Concord, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  4. American Humanist Association

    EIN 521210129 · Headquarters: Quincy, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. American Ice Theatre Inc

    EIN 880687347 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. American Ijtihaad Institute Inc

    EIN 222630880 · Headquarters: Brockton, MA, US · Science & Technology · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  7. American Immigration Lawyers Association of New England Inc

    EIN 042763204 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. American Independent Business Alliance

    EIN 471790151 · Headquarters: NORTHBORO, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  9. American Independent Business Alliance

    EIN 841602447 · Headquarters: WAYLAND MA, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. American Indian Relief Inc

    EIN 921016680 · Headquarters: MARSTONS MLS, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  11. American Industrial Hygiene Association

    EIN 222521142 · Headquarters: Littleton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. American Infidels Motorcycle Club

    EIN 270948576 · Headquarters: Plymouth, MA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. American Inns of Court Foundation

    EIN 043105241 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. American Inns of Court Foundation

    EIN 043148756 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  15. American Inns of Court Foundation

    EIN 260664737 · Headquarters: Springfield, MA, US · Crime & Legal Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  16. American Inns of Court Foundation

    EIN 371588215 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. American Inns of Court Foundation

    EIN 463901084 · Headquarters: Edgartown, MA, US · Crime & Legal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  18. American Inns of Court Foundation

    EIN 522380332 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  19. American Institute for Economic Research

    EIN 042121305 · Headquarters: GREAT BARRINGTON, MA, USA · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. American Institute of Aeronautics and Astronautics

    EIN 043098829 · Headquarters: Chelmsford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. American Institute of Aeronautics and Astronautics

    EIN 046156623 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  22. American Institute of Biodevelopmental Technology Inc

    EIN 042959739 · Headquarters: North Chelmsford, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. American Institute of Chemical Engineers Aiche - Boston

    EIN 043224464 · Headquarters: HARVARD, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Institute of Graphic Arts- Washington Dc

    EIN 521358932 · Headquarters: NORWOOD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. American Institute of Graphic Artsboston

    EIN 222553607 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. American Institute of Industrial Engineers

    EIN 454978578 · Headquarters: Worcester, MA, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  27. American International College

    EIN 042103701 · Headquarters: Springfield, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. American International College Alumni Association

    EIN 046052095 · Headquarters: Springfield, MA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  29. American International Educators Inc

    EIN 980138427 · Headquarters: Concord, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990

  30. American International School of Kingston Foundation Inc

    EIN 562540963 · Headquarters: Newton, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. American Iris Society

    EIN 042750660 · Headquarters: Carlisle, MA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. American Israeli Plastic Surgery Fellowship Inc

    EIN 300123428 · Headquarters: Brookline, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  33. American Language Centers Abroad

    EIN 061557214 · Headquarters: LYNN, MA, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  34. American Lebanese Awareness Association Inc

    EIN 222488519 · Headquarters: METHUEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. American Lebanese Engineering Society

    EIN 593058418 · Headquarters: Norwood, MA, US · Science & Technology · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  36. American Legion

    EIN 026019735 · Headquarters: Concord, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. American Legion

    EIN 041028102 · Headquarters: Needham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. American Legion

    EIN 041028165 · Headquarters: Winthrop, MA, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  39. American Legion

    EIN 041383555 · Headquarters: Worcester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. American Legion

    EIN 042072741 · Headquarters: PALMER, MA, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  41. American Legion

    EIN 042086361 · Headquarters: WEBSTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  42. American Legion

    EIN 042195179 · Headquarters: Jamaica Plain, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. American Legion

    EIN 042307495 · Headquarters: Rockport, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. American Legion

    EIN 042394558 · Headquarters: Williamstown, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. American Legion

    EIN 042754793 · Headquarters: Georgetown, MA, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  46. American Legion

    EIN 043285072 · Headquarters: Woburn, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  47. American Legion

    EIN 043287738 · Headquarters: Fall River, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. American Legion

    EIN 043407152 · Headquarters: Centerville, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. American Legion

    EIN 043849585 · Headquarters: Scituate, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. American Legion

    EIN 046049517 · Headquarters: Uxbridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. American Legion

    EIN 046061013 · Headquarters: Middleborough, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. American Legion

    EIN 046061918 · Headquarters: Georgetown, MA, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  53. American Legion

    EIN 046069947 · Headquarters: Hatfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. American Legion

    EIN 046072450 · Headquarters: wollaton, MA, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  55. American Legion

    EIN 046073204 · Headquarters: WHITMAN, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. American Legion

    EIN 046073791 · Headquarters: DANVERS, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  57. American Legion

    EIN 046077340 · Headquarters: Attleboro, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. American Legion

    EIN 046115321 · Headquarters: Wakefield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Legion

    EIN 046121807 · Headquarters: New Bedford, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Legion

    EIN 046130054 · Headquarters: Millis, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. American Legion

    EIN 046130059 · Headquarters: Somerville, MA, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  62. American Legion

    EIN 046135616 · Headquarters: Norfolk, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Legion

    EIN 046135626 · Headquarters: Belchertown, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. American Legion

    EIN 046135631 · Headquarters: EAST BRIDGEWATER, MA, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  65. American Legion

    EIN 046136559 · Headquarters: Orange, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. American Legion

    EIN 046136565 · Headquarters: Upton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Legion

    EIN 046137151 · Headquarters: West Yarmouth, MA, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  68. American Legion

    EIN 046137468 · Headquarters: WORCESTER, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  69. American Legion

    EIN 046138617 · Headquarters: ROSLINDALE, MA, US · Public & Societal Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  70. American Legion

    EIN 046189290 · Headquarters: Beverly, MA, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  71. American Legion

    EIN 046189294 · Headquarters: Billerica, MA, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  72. American Legion

    EIN 046189300 · Headquarters: Carver, MA, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  73. American Legion

    EIN 046189310 · Headquarters: AVON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. American Legion

    EIN 046189323 · Headquarters: ARLINGTON, MA, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  75. American Legion

    EIN 046189324 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. American Legion

    EIN 046189328 · Headquarters: BRAINTREE, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. American Legion

    EIN 046189339 · Headquarters: Tewksbury, MA, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  78. American Legion

    EIN 046189345 · Headquarters: Worcester, MA, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  79. American Legion

    EIN 046189351 · Headquarters: Centerville, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. American Legion

    EIN 046189357 · Headquarters: Georgetown, MA, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  81. American Legion

    EIN 046189360 · Headquarters: Southfield, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  82. American Legion

    EIN 046189361 · Headquarters: Groton, MA, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  83. American Legion

    EIN 046189362 · Headquarters: GROVELAND, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. American Legion

    EIN 046189369 · Headquarters: Richmond, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. American Legion

    EIN 046189371 · Headquarters: Westwood, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. American Legion

    EIN 046189381 · Headquarters: EASTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American Legion

    EIN 046189383 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. American Legion

    EIN 046189385 · Headquarters: Westport, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. American Legion

    EIN 046189386 · Headquarters: South Weymouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. American Legion

    EIN 046189395 · Headquarters: Assonet, MA, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  91. American Legion

    EIN 046189403 · Headquarters: Cummington, MA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. American Legion

    EIN 046189408 · Headquarters: Shelburne Falls, MA, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  93. American Legion

    EIN 046189418 · Headquarters: East Boston, MA, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  94. American Legion

    EIN 046189423 · Headquarters: Mendon, MA, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  95. American Legion

    EIN 046189425 · Headquarters: METHUEN, MA, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  96. American Legion

    EIN 046189434 · Headquarters: Holbrook, MA, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  97. American Legion

    EIN 046189436 · Headquarters: Holden, MA, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  98. American Legion

    EIN 046189448 · Headquarters: Lynn, MA, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  99. American Legion

    EIN 046189452 · Headquarters: LEOMINSTER, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. American Legion

    EIN 046189459 · Headquarters: Clinton, MA, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

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