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. Mattapoisett Community Tennis Association Inc

    EIN 043464585 · Headquarters: MATTAPOISETT, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Mattapoisett Historical Society

    EIN 046130266 · Headquarters: MATTAPOISETT, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Mattapoisett Land Trust

    EIN 237367489 · Headquarters: Mattapoisett, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Mattapoisett Library Trust Inc

    EIN 043567939 · Headquarters: MATTAPOISETT, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Mattapoisett Lions Club Inc

    EIN 300512673 · Headquarters: ROCHESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Mattapoisett Police Officers Assoc

    EIN 043216463 · Headquarters: MATTAPOISETT, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Mattapoisett Rescue Team Inc

    EIN 042628705 · Headquarters: Mattapoisett, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Mattapoisett Womans Club

    EIN 311644497 · Headquarters: Mattapoisett, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Mattapoisett Yacht Club Inc

    EIN 562498887 · Headquarters: Mattapoisett, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Mattapoisett Youth Activities Association Inc

    EIN 043661088 · Headquarters: MATTAPOISETT, MA, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  11. Mattapoisett Youth Baseball Association

    EIN 260136746 · Headquarters: Mattapoisett, MA, USA · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  12. Matter Darkly Inc

    EIN 844779724 · Headquarters: SOMERVILLE, MA, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  13. Matthew 25 Inc

    EIN 222967513 · Headquarters: Worcester, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Matthew 28 Ministries

    EIN 770661953 · Headquarters: Charlton, MA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Matthew A & Susan B Weatherbie Foundation

    EIN 043532105 · Headquarters: Boston, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. Matthew B Winthrop Charitable Trust

    EIN 132989761 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  17. Matthew F Daigle Foundation

    EIN 821692888 · Headquarters: Waltham, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  18. Matthew Galligan Foundation Inc

    EIN 851020322 · Headquarters: NORTHBOROUGH, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Matthew Hunt Memorial Fund Inc

    EIN 134298331 · Headquarters: DORCHESTER, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Matthew J Kuss Middle School Pta

    EIN 460693644 · Headquarters: FALL RIVER, MA, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  21. Matthew J Kuss Middle School PTO Inc

    EIN 833965161 · Headquarters: Fall River, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Matthew J Mccarthy Memorial Fund

    EIN 611577974 · Headquarters: Haverhill, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  23. Matthew J Mcdonough Scholarship Foundation Inc

    EIN 043487485 · Headquarters: QUINCY, MA, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  24. Matthew J Walsh Foundation Inc

    EIN 453444833 · Headquarters: Brockton, MA, US · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Matthew John Phillips Scholarship Foundation Inc

    EIN 872585507 · Headquarters: BOYLSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Matthew Potel Foundation

    EIN 461145993 · Headquarters: Becket, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Matthew Ruiz Foundation Inc

    EIN 882619824 · Headquarters: Hyde Park, MA, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Matthew Ryan Holmes Scholarship Fund

    EIN 834311861 · Headquarters: HUDSON, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Matthew Sagarino Charitable Fund In C

    EIN 365131628 · Headquarters: STONEHAM, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. Matthew Tarwo Helping Hand Foundation

    EIN 853206510 · Headquarters: Stoneham, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Matthew Zonghetti Scholarship Fund Inc

    EIN 833397489 · Headquarters: MANSFIELD, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Matthew2535

    EIN 853423515 · Headquarters: Lowell, MA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  33. Matthews Crew Inc

    EIN 854263917 · Headquarters: QUINCY, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  34. Matthews Gift Inc

    EIN 843256159 · Headquarters: Plymouth, MA, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  35. Mattimore Family Charitable Foundation

    EIN 276925746 · Headquarters: MILLBURY, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  36. Mattina R Proctor Foundation

    EIN 111067014 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  37. Mattoon Street Historic Preservatio Association

    EIN 043070529 · Headquarters: Springfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Matts Mission Incorporated

    EIN 993089566 · Headquarters: MANSFIELD, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Matts Place Inc

    EIN 205650902 · Headquarters: LYNN, MA, US · Health Care · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  40. Matty Oliveira Memorial Fund Inc

    EIN 141896392 · Headquarters: Fairhaven, MA, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Matty's Promise Inc

    EIN 393360594 · Headquarters: GEORGETOWN, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. Matz Family Foundation

    EIN 046819464 · Headquarters: GLOUCESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  43. Maudslay Arts Center Inc

    EIN 043184662 · Headquarters: Amesbury, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Maudslay State Park Association

    EIN 222734449 · Headquarters: Newburyport, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Maugus Club

    EIN 041576940 · Headquarters: WELLESLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Maura Wilkens Foundation

    EIN 883567586 · Headquarters: Dorchester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Maureen E Calkins Charitable Wildlife Foundation Inc

    EIN 474496539 · Headquarters: DOVER, MA, US · Animal Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  48. Maureen Heaton Foundation Inc

    EIN 843419052 · Headquarters: West Newbury, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Maureen Ministries International Inc

    EIN 861367345 · Headquarters: Waltham, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Maureen Ohara Foundation Inc

    EIN 272241965 · Headquarters: Hingham, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  51. Maurice & Carol Feinberg Family Foundation

    EIN 133746078 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  52. Mautucket Plat Roads Action

    EIN 934958321 · Headquarters: Medway, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Mava Education Foundation Inc

    EIN 460655642 · Headquarters: Acushnet, MA, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990

  54. Maverick Landing Community Services Inc

    EIN 205911734 · Headquarters: East Boston, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Maverick Revitalization Corporation

    EIN 800076268 · Headquarters: BOSTON, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Mavericks Flying Club

    EIN 333531089 · Headquarters: Lancaster, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Mawaga Sporting Club Inc

    EIN 043388353 · Headquarters: Agawam, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Mawlas Kids Inc

    EIN 394222127 · Headquarters: WORCESTER, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Max & Anne Goldberg Foundation

    EIN 456011859 · Headquarters: Wellesley, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  60. Max and Marion Volterra Charitable Foundation Inc

    EIN 464102497 · Headquarters: ATTLEBORO, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  61. Max F and Edith C Gold Charitable Foundation

    EIN 813381339 · Headquarters: Fall River, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  62. Max Foundation

    EIN 656194566 · Headquarters: WOBURN, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  63. Max Mccormick Memorial Foundation Inc

    EIN 833701712 · Headquarters: SUDBURY, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Max Performance Volleyball Club

    EIN 475088046 · Headquarters: SOUTH DARTMOUTH, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Maxcen Housing Society Inc Massachusetts Branch

    EIN 320191811 · Headquarters: Waltham, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Maxillofacial Surgeons Foundation

    EIN 363617873 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Maximum Impact Foundation Inc

    EIN 882733501 · Headquarters: Milford, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Maximumgood Inc

    EIN 830374559 · Headquarters: Watertown, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  69. Maxwell Conservation Trust Ltd

    EIN 753139021 · Headquarters: SCITUATE, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Maxwell Land Trust

    EIN 043425747 · Headquarters: Scituate, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  71. Maxwell Sedel Family Foundation Inc

    EIN 921852417 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  72. Maxwell V Blum Family Foundation

    EIN 222659555 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  73. May Foundation Inc

    EIN 571136642 · Headquarters: RANDOLPH, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. May St Pto

    EIN 812156786 · Headquarters: Worcester, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Maya Childcare Incorporated

    EIN 454237167 · Headquarters: Newton, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Maya Educational Foundation

    EIN 030335159 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Maya Midwifery International Inc

    EIN 471215016 · Headquarters: SOMERVILLE, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Mayahs Militia Inc

    EIN 923583881 · Headquarters: OSTERVILLE, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. Mayan Missions Corp

    EIN 843039564 · Headquarters: Lynn, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  80. Maydog the Maynard Dog Owners Group Inc

    EIN 263289743 · Headquarters: Maynard, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Mayflower Branch

    EIN 050622207 · Headquarters: Medfield, MA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  82. Mayflower Council Inc Boy Scouts of America

    EIN 043308728 · Headquarters: MILFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Mayflower League

    EIN 043408896 · Headquarters: Wareham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Mayflower Portuguese Water Dog Club of Massachuseetts

    EIN 270167965 · Headquarters: Charlton, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Mayflower Rsvp Inc

    EIN 043498515 · Headquarters: PLYMOUTH, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  86. Mayflower Society House Endowment Fund

    EIN 046112605 · Headquarters: PLYMOUTH, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Mayman Family Charitable Foundati0n Muriel Mayman Et All Trustees

    EIN 043448322 · Headquarters: WEST NEWTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-PF

  88. Maynard Baseball Charitable Corporation

    EIN 202196723 · Headquarters: Maynard, MA, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  89. Maynard Booster Club Inc

    EIN 593809824 · Headquarters: Maynard, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Maynard Business Alliance Inc

    EIN 454481191 · Headquarters: Maynard, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Maynard Community Chest Inc

    EIN 237258706 · Headquarters: Maynard, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  92. Maynard Educational Enrichment Fdn Inc

    EIN 043540676 · Headquarters: MAYNARD, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Maynard Food Pantry Inc

    EIN 043169291 · Headquarters: Maynard, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Maynard High School Athletic Hall of Fame Inc

    EIN 770657922 · Headquarters: MAYNARD, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  95. Maynard Historical Society Inc

    EIN 043502299 · Headquarters: Maynard, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Maynard Music Association

    EIN 271127439 · Headquarters: Maynard, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Maynard Nashoba Youth Football & Ch Eering Inc

    EIN 205539740 · Headquarters: BOLTON, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. Maynard News Network

    EIN 334267992 · Headquarters: Maynard, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Maynard Permanent Fire Fighters

    EIN 237082519 · Headquarters: MAYNARD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Maynard Police Relief Association

    EIN 043046084 · Headquarters: Maynard, MA, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

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