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. Marietta W Dyer Trust Uw

    EIN 042127029 · Headquarters: HANOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. Marigold Charitable Trust

    EIN 206748222 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  3. Marigold Inc

    EIN 201983664 · Headquarters: AMHERST, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2014 · Primary form: IRS Form 990

  4. Marika Foundation Incorporated a Not-for-profit Corporation

    EIN 813302498 · Headquarters: ROCKPORT, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  5. Marillac Residence Inc

    EIN 043436894 · Headquarters: WELLESLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Marilyn & Mike Grossman Foundation C/o Grossman Family Office

    EIN 046115409 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. Marilyn Kass Cicero and Arthur Bcicero Tzedakah Foundation Inc

    EIN 208460965 · Headquarters: LEXINGTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  8. Marilyn Mason Foundation

    EIN 383317749 · Headquarters: LINCOLN, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  9. Marilyn Rodman Performing Arts Center Inc

    EIN 043194037 · Headquarters: FOXBOROUGH, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Marilyn Rodman Theatre for Kids Inc

    EIN 474440066 · Headquarters: FOXBOROUGH, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990

  11. Marilyn Snow House Foundation Inc

    EIN 133201285 · Headquarters: CUTTYHUNK, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Marine and Environmental Education Alliance Inc

    EIN 010931978 · Headquarters: Scituate, MA, US · Science & Technology · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  13. Marine and Paleobiological Research Institute Inc

    EIN 870732548 · Headquarters: VINEYARD HVN, MA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Marine Biological Laboratory

    EIN 042104690 · Headquarters: Woods Hole, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Marine Biological Laboratory Post-retirement Medical Care Fund

    EIN 043285249 · Headquarters: Woods Hole, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Marine Cadets of Massachusetts Inc

    EIN 271757467 · Headquarters: FALL RIVER, MA, USA · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  17. Marine Corps League

    EIN 020685700 · Headquarters: oxford, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  18. Marine Corps League

    EIN 042604636 · Headquarters: Peabody, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Marine Corps League

    EIN 043169189 · Headquarters: Swampscott, MA, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  20. Marine Corps League

    EIN 043533968 · Headquarters: Hopkinton, MA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Marine Corps League

    EIN 046066633 · Headquarters: Ware, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  22. Marine Corps League

    EIN 046188657 · Headquarters: Norwood, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Marine Corps League

    EIN 046188661 · Headquarters: Woburn, MA, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  24. Marine Corps League

    EIN 046188667 · Headquarters: Pittsfield, MA, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  25. Marine Corps League

    EIN 046188669 · Headquarters: westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Marine Corps League

    EIN 046188671 · Headquarters: DRACUT, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  27. Marine Corps League

    EIN 134365238 · Headquarters: Arlington, MA, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  28. Marine Corps League

    EIN 200711856 · Headquarters: Bridgewater, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Marine Corps League

    EIN 201131882 · Headquarters: Athol, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Marine Corps League

    EIN 237060804 · Headquarters: North Falmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Marine Corps League

    EIN 261969705 · Headquarters: Peabody, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  32. Marine Corps League

    EIN 263387383 · Headquarters: WESTFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Marine Corps League

    EIN 270217049 · Headquarters: Plymouth, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Marine Corps League

    EIN 392061663 · Headquarters: SOMERSET, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Marine Corps League

    EIN 455183249 · Headquarters: Peabody, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Marine Corps League

    EIN 510252102 · Headquarters: Westfield, MA, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  37. Marine Corps League

    EIN 711040826 · Headquarters: Worcester, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Marine Corps League

    EIN 770713443 · Headquarters: Fitchburg, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  39. Marine Corps League

    EIN 800170180 · Headquarters: Worcester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Marine Corps League

    EIN 800605503 · Headquarters: s boston, MA, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  41. Marine Corps League

    EIN 820878709 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Marine Corps League

    EIN 830397636 · Headquarters: Pittsfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Marine Corps League 128 Capt William D Glynn Detchmnt

    EIN 912051856 · Headquarters: Haverhill, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Marine Corps League Pvt Charles J Shutt Detachment

    EIN 237161661 · Headquarters: Watertown, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Marine Corps League South Central Mass

    EIN 010642622 · Headquarters: FISKDALE, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Marine Corps League William R Caddy Detachment

    EIN 046188658 · Headquarters: NORTH QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Marine Family Foundation

    EIN 817114084 · Headquarters: LEXINGTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  48. Marine Lodge Af & Am

    EIN 041582326 · Headquarters: FALMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Marine Mammal Alliance Nantucket

    EIN 815294887 · Headquarters: Nantucket, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. Marine Reef Habitats Inc

    EIN 933066445 · Headquarters: Holyoke, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Marine Renewable Energy Collaborati

    EIN 463825104 · Headquarters: Marion, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Marine Society at Salem

    EIN 042266264 · Headquarters: SALEM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Marine Studies Consortium Inc

    EIN 042731136 · Headquarters: JAMAICA PLAIN, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Marine Technology Network Association I

    EIN 043287987 · Headquarters: WESTPORT, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Marine Veteran Foundation of Cape Cod Inc

    EIN 831974473 · Headquarters: YARMOUTH PORT, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Marinella Family Foundation

    EIN 043567871 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  57. Mariner Youth Soccer Club Inc

    EIN 222481543 · Headquarters: MATTAPOISETT, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Marino Charitable Foundation Lauren D Marino Trustee

    EIN 046749547 · Headquarters: DOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  59. Mario's Mission Inc

    EIN 934418868 · Headquarters: PEABODY, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Marion & Jasper Whiting Foundation

    EIN 046147345 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Marion Art Center Inc

    EIN 042374245 · Headquarters: Marion, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Marion Emt Association Marion Police and Fire Station

    EIN 042670288 · Headquarters: Marion, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Marion Fire Fighters Association Inc

    EIN 884263298 · Headquarters: MARION, MA, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Marion Garden Group

    EIN 043200920 · Headquarters: MARION, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Marion Horse Show Inc

    EIN 046152191 · Headquarters: Carver, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Marion Huxley West Scholarship Fd

    EIN 043397114 · Headquarters: HANOVER, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  67. Marion Indoor Tennis Club Inc

    EIN 042981088 · Headquarters: MATTAPOISETT, MA, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  68. Marion Kane Family Foundation Inc

    EIN 854175466 · Headquarters: ASHLAND, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  69. Marion L Decrow Foundation

    EIN 046278656 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  70. Marion Library Association

    EIN 042151737 · Headquarters: MARION, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Marion Mallet Club Inc

    EIN 562635040 · Headquarters: Marion, MA, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  72. Marion Natural History Society Inc

    EIN 046061942 · Headquarters: MARION, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Marion P Manzon Scholarship Corp

    EIN 810708885 · Headquarters: WALTHAM, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Marion Police Brotherhood

    EIN 043184957 · Headquarters: MARION, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Marion Social Club Inc

    EIN 042718184 · Headquarters: Marion, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Marion Teachers Association

    EIN 510196617 · Headquarters: Marion, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Marion-Bermuda Cruising Yacht Race Association Inc

    EIN 042711615 · Headquarters: Marion, MA, USA · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  78. Mariontech Academy

    EIN 831068912 · Headquarters: Bradford, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Marisa's Mission Inc

    EIN 814215702 · Headquarters: DORCHESTER, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Marissa Paige Ramos Memorial Foundation Inc

    EIN 471817646 · Headquarters: STOUGHTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Maritime Alliance in Defense of Den

    EIN 992395847 · Headquarters: CHARLESTOWN, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Maritime Chapter Daughters of the British Empire

    EIN 010880593 · Headquarters: westwood, MA, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  83. Maritime Incident Resources and Training Partnership Inc

    EIN 043461256 · Headquarters: Chelsea, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  84. Maritime Society of Our Lady of Help of Sciacca Inc

    EIN 043127449 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Marjorie Cohen Stanzler Charitable Trust

    EIN 046955868 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. Marjorie Harris Reynolds Foundation

    EIN 046820699 · Headquarters: MELROSE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  87. Marjorie M Peloquin Foundation

    EIN 811952624 · Headquarters: WORCESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  88. Marjorie Savoie Ministries

    EIN 462352447 · Headquarters: Agawam, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  89. Marjorie W Sloper Charitable Foundation C/o Caputo & Company Pc

    EIN 912142427 · Headquarters: DANVERS, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  90. Mark & Judith Bloomberg Family Foundation Inc

    EIN 471172680 · Headquarters: SUDBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  91. Mark & Michelle Gorman Memorial Scholarship Fund Inc

    EIN 273158181 · Headquarters: CHARLESTOWN, MA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  92. Mark a Litterio Memorial Fund

    EIN 474865697 · Headquarters: CLINTON, MA, USA · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  93. Mark Bavis Leadership Foundation Inc C/o Michael Bavis

    EIN 710876849 · Headquarters: DEDHAM, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Mark Charbonnier Scholarship Fund Inc

    EIN 471127421 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Mark Donovan Scholarship Fund Corp

    EIN 873271105 · Headquarters: TEWKSBURY, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Mark Edward Fund Inc

    EIN 871796330 · Headquarters: Webster, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Mark Eight Inc

    EIN 311695823 · Headquarters: NEWBURYPORT, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Mark Fidrych Foundation Inc

    EIN 454532163 · Headquarters: NORTHBOROUGH, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Mark G Flanagin Scholarship Fund

    EIN 274528368 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  100. Mark G Hovanasian Foundation

    EIN 471391177 · Headquarters: NORTH ANDOVER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

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