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. Ms Senior Sweetheart Pagent of America Inc

    EIN 043463854 · Headquarters: NORTH DARTMOUTH, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  2. Ms Solutions Inc

    EIN 823105158 · Headquarters: WORCESTER, MA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  3. Ms Wheelchair Massachusetts Foundation

    EIN 263059261 · Headquarters: Wretham, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  4. Msc Langhorne Llc C/o Washington Capital Management Inc

    EIN 043503906 · Headquarters: Boston, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990

  5. Msc Sand Lake Iv Inc C/o Washington Capital Management Inc

    EIN 752549767 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Msd Alumni of New England Inc

    EIN 830915183 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  7. Msg Trent Memorial Fund Inc

    EIN 331798426 · Headquarters: EAST WALPOLE, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Msgr Prevost High School Alumni Association Inc

    EIN 460699652 · Headquarters: PLYMOUTH, MA, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990

  9. Mskeeper Inc

    EIN 271199467 · Headquarters: BOSTON, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Mslb Inc

    EIN 843203097 · Headquarters: Marblehead, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. MSM Realty Inc

    EIN 300950352 · Headquarters: Dartmouth, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Msp Wives Inc

    EIN 820921478 · Headquarters: TOWNSEND, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. MSPCA-Angell

    EIN 042103597 · Headquarters: Boston, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. MSPCA-Angell

    EIN 042103655 · Headquarters: Boston, MA, US · Animal Related · Latest available filing year: 2010 · Primary form: IRS Form 990

  15. Msr Foundation

    EIN 880845055 · Headquarters: COHASSET, MA, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Mssng Lnks Inc

    EIN 020754673 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  17. Mt Auburn Memorial Vfw Post Inc 8818

    EIN 042349011 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Mt Greylock Ski Club Inc

    EIN 046114685 · Headquarters: Dalton, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Mt Hope Cemetery Corp of North Attleboro

    EIN 041641480 · Headquarters: NORTH ATTLEBORO, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Mt Hope Property Owners Association

    EIN 333816195 · Headquarters: Leverett, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Mt Pleasant Cemetery Assn Inc

    EIN 046048770 · Headquarters: Gloucester, MA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Mt Pleasant Fund Inc

    EIN 562298541 · Headquarters: AMHERST, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  23. Mt Pleasant Golf Club

    EIN 041641625 · Headquarters: Lowell, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Mt Pleasant Memorial Scholarship Fund Inc

    EIN 043294401 · Headquarters: LOWELL, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Mt Tom B 17 Memorial Inc

    EIN 475339503 · Headquarters: Brewster, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Mt Ursa Justice Commission Inc

    EIN 331520235 · Headquarters: Boston, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Mt Vernon Cemetery Corporation

    EIN 041641795 · Headquarters: ABINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Mt Vernon Housing Inc

    EIN 043402302 · Headquarters: WORCESTER, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Mt Zion Prayer Ministries

    EIN 474312339 · Headquarters: Dorchester MA, MA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Mtama Inc

    EIN 834663388 · Headquarters: FITCHBURG, MA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Mtm-cnm Family Connection Inc

    EIN 383932529 · Headquarters: Methuen, MA, US · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  32. Muchila Access Project Inc

    EIN 814847659 · Headquarters: Rockport, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Muckrock Foundation Inc

    EIN 811485228 · Headquarters: BOSTON, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Muddy Pond Trust Inc Attention Charles Smith

    EIN 832847030 · Headquarters: DUXBURY, MA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  35. Muddy River Arts Inc

    EIN 815350446 · Headquarters: Brookline, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. Muddy River Boosters Inc

    EIN 264096670 · Headquarters: Brookline, MA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Mudflat Pottery School Inc

    EIN 042505540 · Headquarters: SOMERVILLE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Mudpie Inc

    EIN 043479703 · Headquarters: LEVERETT, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Mudville Inc

    EIN 042612643 · Headquarters: SOMERVILLE, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  40. Muggers Memorial Inc

    EIN 392150445 · Headquarters: Cheshire, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Mughug Project

    EIN 994555741 · Headquarters: Wellesley, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Muhammads Mosque 13 Inc

    EIN 043223067 · Headquarters: Springfield, MA, US · Religion Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  43. Mujeres Emprendedoras Con Proposito Inc

    EIN 334976341 · Headquarters: Worcester, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Mujeres Que Derriban Murallas Inc

    EIN 832804675 · Headquarters: CLINTON, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. Mujeres Unidas Avanzando Inc

    EIN 042753429 · Headquarters: DORCHESTER, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Mulan Performing Arts Association

    EIN 274032881 · Headquarters: SHREWSBURY, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Mulberry Tree Films Corp

    EIN 822916062 · Headquarters: Northampton, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Mulcahey School PTO Inc

    EIN 813766734 · Headquarters: Taunton, MA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  49. Mulch for Military Inc

    EIN 874477378 · Headquarters: LEOMINSTER, MA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Mulheres Conectadas De Boston Inc

    EIN 992597473 · Headquarters: WESTWOOD, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Mulheres Nos Bracos Do Pai Inc

    EIN 851295736 · Headquarters: Brockton, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Mullare Family Foundation

    EIN 046171542 · Headquarters: HANOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  53. Mullein Hill Christian Academy Inc

    EIN 043192159 · Headquarters: LAKEVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Mullen Hall Elementary School Parent Teacher Organization Inc

    EIN 042992523 · Headquarters: FALMOUTH, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Mullen House Education Center Inc

    EIN 201633729 · Headquarters: Becket, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Mullins Memorial Baseball Tournament

    EIN 873058836 · Headquarters: Danvers, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Mulready School Parents Association

    EIN 043094569 · Headquarters: Hudson, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Mult Myeloma Journey Of Hope Inc

    EIN 900597927 · Headquarters: Lynnfield, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  59. Multi-arts Inc

    EIN 201356307 · Headquarters: HADLEY, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Multi-cultural Heritage Alliancein

    EIN 473207533 · Headquarters: MANSFIELD, MA, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  61. Multi-cultural Independent Living Center of Boston Inc

    EIN 753143540 · Headquarters: JAMAICA PLAIN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990

  62. Multi-Service Eating Disorders Associations Inc

    EIN 043224394 · Headquarters: Newton Center, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Multicultural AIDS Coalition Inc

    EIN 043042926 · Headquarters: ROXBURY, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Multicultural Children S Book Day Inc

    EIN 472528706 · Headquarters: Newton, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. Multicultural Community Center of North Central Massachusetts Inc

    EIN 334724517 · Headquarters: LEOMINSTER, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Multicultural Community Services of the Pioneer Valley Inc

    EIN 042667829 · Headquarters: SPRINGFIELD, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Multicultural Education Training and Advocacy (Meta) Project Inc

    EIN 222662063 · Headquarters: SOMERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Multicultural Network Ugf Inc

    EIN 863933837 · Headquarters: North Easton, MA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Multicultural Neurobehavioral Rehabilitation Center Inc

    EIN 043492115 · Headquarters: WALTHAM, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Multicultural Resource Center

    EIN 471033092 · Headquarters: West Springfield, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Multicultural Resources Center for Women and Families Incorporated

    EIN 300290304 · Headquarters: Malden, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Multicultural Wellness Center Inc

    EIN 260119252 · Headquarters: WORCESTER, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Multicultural Youth Tour of What's Now Inc

    EIN 043328081 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  74. Multidisciplinary Institute of Training and Learning Inc

    EIN 874657910 · Headquarters: Cambridge, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Multifamily Solutions Inc

    EIN 042720358 · Headquarters: BRAINTREE, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Multiloop Edgewise Arch Wire

    EIN 043124222 · Headquarters: WESTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Multimedia Reference Corporation

    EIN 814433441 · Headquarters: Saugus, MA, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  78. Multinational Association of Supportive Care in Cancer

    EIN 721510213 · Headquarters: NEWTON, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Multiple District No 33 Lions Clubs Int

    EIN 830504460 · Headquarters: TAUNTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Multiple Hereditary Exostoses Learning System Inc

    EIN 332202658 · Headquarters: Haydenville, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Multiple Sclerosis Community Foundation Inc

    EIN 462031800 · Headquarters: PEABODY, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  82. Multistate Association for Bilingual Education – Northeast

    EIN 042879833 · Headquarters: Ashland, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Multiverse Concert Series Inc

    EIN 832697315 · Headquarters: Burlington, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Mulvey-needleman Family Foundation

    EIN 874145225 · Headquarters: DEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  85. Munger Hill Parent Teacher Organiza

    EIN 834698448 · Headquarters: WESTFIELD, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Municipal Bond Club of Boston Inc

    EIN 042749611 · Headquarters: Boston, MA, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  87. Municipal Cyber Association Inc

    EIN 932270992 · Headquarters: BOSTON, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. Municipal Electric Assn of Massachusettes Inc

    EIN 042321706 · Headquarters: Littleton, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Municipal Environmental Development Inc

    EIN 261455211 · Headquarters: Brockton, MA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  90. Municipal Police Institute Inc

    EIN 042599689 · Headquarters: SOUTH GRAFTON, MA, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  91. Municipal Public Access Cable Television Inc

    EIN 222677962 · Headquarters: PALMER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Munroe Park Association Inc

    EIN 843512240 · Headquarters: Dorchester Center, MA, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  93. Munschauer Family Foundation

    EIN 161428095 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  94. Muntasser Foundation Inc

    EIN 853497397 · Headquarters: Sudbury, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  95. Munu Development Foundation Inc

    EIN 412604409 · Headquarters: ACTON, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Muraco Elementary School Parents Association

    EIN 201074448 · Headquarters: WINCHESTER, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Muriel & Norman B Leventhal Family Foundation Inc

    EIN 043339819 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  98. Muriel G and Norman B Leventhal Charitable Trust

    EIN 473959239 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  99. Muriel L and Mary Frances Kiley Foundation Inc

    EIN 813610111 · Headquarters: Dennis, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  100. Murphy School Parent Council Inc

    EIN 874394833 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

First page and all pages