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. Mary A Warren Foundation

    EIN 931422593 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. Mary Alice Arakelian Foundation

    EIN 046155695 · Headquarters: Newburyport, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  3. Mary Ann Morse Healthcare Corp

    EIN 223064323 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Mary Barratt Ministries Inc

    EIN 833432682 · Headquarters: WESTFIELD, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Mary C Lynch Foundation

    EIN 276369638 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  6. Mary C O'brien Charitable Trust

    EIN 046404073 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. Mary Christie Institute Inc

    EIN 204944042 · Headquarters: LEXINGTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  8. Mary Clark Regamey & David G Regamey

    EIN 061594534 · Headquarters: STOW, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-PF

  9. Mary Cronin Stone Memorial Charitable Trust Fund

    EIN 042785239 · Headquarters: Boston, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  10. Mary E Armstrong Trust C/o Taylor Ganson & Perrin LLP

    EIN 046028143 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  11. Mary E Flaherty School Pto

    EIN 274860715 · Headquarters: BRAINTREE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Mary E Fleming & John J Fleming Scholarship Trust for Boston College HS

    EIN 223101265 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  13. Mary E Fleming & John J Fleming Scholarship Trust for Holy Cross

    EIN 223115094 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. Mary E Stapleton Parent-teacher Organization

    EIN 042578507 · Headquarters: Framingham, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Mary E Wood Foundation Thomas R Appleton Et Al Trustees

    EIN 046027441 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  16. Mary Elizabeth Pearce Foundation Tr

    EIN 046382377 · Headquarters: PLYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  17. Mary Ellen Mccormack Taskforce Inc

    EIN 043014052 · Headquarters: SOUTH BOSTON, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Mary F Birtwistle Irrevocable Trust

    EIN 206490965 · Headquarters: PLYMOUTH, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  19. Mary Field and Vincent Depaul Goubeau Charitable Tr 1996

    EIN 046799734 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  20. Mary Friese Lowe Memorial Education Fund

    EIN 133040569 · Headquarters: ORLEANS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. Mary G Hitchcock Tuw Vincent Mccaughey Trustee

    EIN 510205082 · Headquarters: PAXTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  22. Mary Immaculate Adult Day Health Day Care Center Inc

    EIN 042921888 · Headquarters: Lawrence, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Mary Immaculate Guild Inc

    EIN 463073987 · Headquarters: Lawrence, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Mary J Harris Foundation Inc

    EIN 821585421 · Headquarters: Boston, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Mary J Shea Foundation

    EIN 273560758 · Headquarters: SAUGUS, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  26. Mary Jane Pilllsbury Memorial Schoarship Fund

    EIN 271534669 · Headquarters: Wareham, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Mary Kaye Fund

    EIN 043276503 · Headquarters: Hingham, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Mary L George Foundation

    EIN 861733798 · Headquarters: Belmont, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  29. Mary Lee Burbank School Pta

    EIN 046111683 · Headquarters: BELMONT, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  30. Mary Lyon Foundation Inc

    EIN 223112593 · Headquarters: Shelburne Falls, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Mary Margaret Trant Nursing Scholarship

    EIN 861451798 · Headquarters: Stoneham, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Mary Mb Wakefield Charitable Trust C/o Sippican Capital Advisors Llc

    EIN 046076048 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  33. Mary Mitchell Humane Fund

    EIN 046074201 · Headquarters: BOSTON, MA, USA · Animal Related · Latest available filing year: 2011 · Primary form: IRS Form 990

  34. Mary Nichols Trust Uw Charitable Trust

    EIN 046342221 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  35. Mary S Holzwasser Charitable Trust

    EIN 042679759 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  36. Mary S Peake Fellowship Inc

    EIN 871540566 · Headquarters: Cambridge, MA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  37. Mary Scott Mitchell Foundation of Giving Inc

    EIN 922671072 · Headquarters: Chelmsford, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Mary T Lane Foundation Charitable Trust

    EIN 466868808 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  39. Mary-lou Arruda Memorial Trust Fund Inc

    EIN 843864391 · Headquarters: RAYNHAM, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Mary-louise & Ruth Eddy Fdn

    EIN 222642870 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  41. Maryada Family Foundation Inc

    EIN 465715836 · Headquarters: REHOBOTH, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Maryland Government Finance Officers Association Inc

    EIN 203047808 · Headquarters: Boxborough, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Maryland Society of Health-system Pharmacists

    EIN 237270180 · Headquarters: WESTFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  44. Marys Kitty Korner Inc

    EIN 562464414 · Headquarters: Chicopee, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Marys Meadow at Providence Place Inc

    EIN 262043754 · Headquarters: Holyoke, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Maryscommunitythriftstoreinc

    EIN 810810500 · Headquarters: WESTFORD, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  47. Masawa Inc

    EIN 272559730 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  48. Masayoshi Yanagi College Scholarship Fund

    EIN 043477189 · Headquarters: Tewksbury, MA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  49. Masbo

    EIN 237333783 · Headquarters: Hopkinton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Masco Pac

    EIN 043283651 · Headquarters: BOXFORD, MA, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  51. Masconomet Alumni Association Inc

    EIN 030455496 · Headquarters: Middleton, MA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  52. Masconomet Babe Ruth Association Inc

    EIN 454195060 · Headquarters: TOPSFIELD, MA, USA · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  53. Masconomet Boys Soccer Association Inc

    EIN 452377808 · Headquarters: Boxford, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Masconomet Cheer Boosters

    EIN 043327800 · Headquarters: Topsfield, MA, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  55. Masconomet Education Foundation

    EIN 272769956 · Headquarters: TOPSFIELD, MA, USA · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  56. Masconomet Girls Soccer Association Inc

    EIN 383915811 · Headquarters: Topsfield, MA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  57. Masconomet Girls Softball Assoc

    EIN 452412208 · Headquarters: TOPSFIELD, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  58. Masconomet High School Football Boosters

    EIN 800359655 · Headquarters: BOXFORD, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Masconomet Hs Baseball Boosters Inc

    EIN 454723475 · Headquarters: Topsfield, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Masconomet Lacrosse Boosters Inc

    EIN 832951316 · Headquarters: BOXFORD, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Masconomet Music Parents Association Inc

    EIN 200698408 · Headquarters: Topsfield, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Masconomet Regional Scholarship Foundation Inc

    EIN 043237355 · Headquarters: BOXFORD, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Masconomet Sports Foundation Inc

    EIN 932502469 · Headquarters: TOPSFIELD, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Masconomet Swim and Dive Association Inc

    EIN 461357010 · Headquarters: Boxford, MA, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  65. Masconomet Varsity Girls Hockey Booster Club

    EIN 472005827 · Headquarters: TOPSFIELD, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Masconomet Youth Football Association

    EIN 510596797 · Headquarters: TOPSFIELD, MA, USA · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  67. Masconomet Youth Hockey Association Inc C/o Robert Flaherty

    EIN 042921515 · Headquarters: TOPSFIELD, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Mash Inc

    EIN 237320949 · Headquarters: Westborough, MA, US · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Mashantum Tennis Club Inc

    EIN 042350093 · Headquarters: DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Mashpee Boosters Club Inc

    EIN 043361000 · Headquarters: MASHPEE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  71. Mashpee Chamber of Commerce Inc

    EIN 222535556 · Headquarters: Mashpee, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. Mashpee Community Media Center Inc

    EIN 454985116 · Headquarters: MASHPEE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Mashpee Dog Park Committee

    EIN 264357985 · Headquarters: MASHPEE, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Mashpee Educational Foundation

    EIN 043212715 · Headquarters: MASHPEE, MA, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  75. Mashpee Environmental Coalition

    EIN 043330184 · Headquarters: Mashpee, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Mashpee Old Indian Meetinghouse Authority Inc

    EIN 046142973 · Headquarters: MASHPEE, MA, USA · Housing & Shelter · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  77. Mashpee One-room Schoolhouse Preservation Council Inc

    EIN 202818707 · Headquarters: Mashpee, MA, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  78. Mashpee Parent Teacher Org Inc C/o Kenneth C Coombs School Parent

    EIN 043121415 · Headquarters: MASHPEE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Mashpee Polar Bear Club Inc

    EIN 371747289 · Headquarters: MASHPEE, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  80. Mashpee Police Foundation Inc

    EIN 510579656 · Headquarters: Mashpee, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  81. Mashpee Police Relief Association

    EIN 043366554 · Headquarters: MASHPEE, MA, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Mashpee Pops Inc

    EIN 043184452 · Headquarters: MASHPEE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  83. Mashpee Scholarship Foundation Trust

    EIN 046872884 · Headquarters: MASHPEE, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Mashpee Wakeby Pond Alliance

    EIN 872445566 · Headquarters: Forestdale, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Mashpee Wampanoag Rod & Gun Club

    EIN 043011370 · Headquarters: Mashpee, MA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  86. Mashpee Womens Club

    EIN 043416887 · Headquarters: MASHPEE, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Mashpee Youth Baseball & Softball

    EIN 274655173 · Headquarters: Mashpee, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Mashpee Youth Football

    EIN 043416229 · Headquarters: MASHPEE, MA, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  89. Mashpee Youth Soccer Organization Inc

    EIN 223324525 · Headquarters: Mashpee, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Masinyusane Inc

    EIN 273024837 · Headquarters: Boston, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Masiphumelele Corporation

    EIN 020511758 · Headquarters: Westport, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. Maslows Light

    EIN 842308620 · Headquarters: Waltham, MA, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  93. Masoc Inc

    EIN 043477556 · Headquarters: PITTSFIELD, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Mason Contractors Association of Massachusetts

    EIN 042533755 · Headquarters: Bridgewater, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Mason Family Charity

    EIN 205415754 · Headquarters: Boston, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  96. Mason Wright Foundation Inc

    EIN 042105936 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  97. Mason Wright Senior Living Inc

    EIN 471890506 · Headquarters: SPRINGFIELD, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Mason-rice After School Program Inc

    EIN 042704840 · Headquarters: NEWTON CENTRE, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Mason-rice Elementary School Parent Teacher Organization Inc

    EIN 043484132 · Headquarters: NEWTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Masonic Angel Foundation Inc

    EIN 301288871 · Headquarters: Lincoln, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-N

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