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. Snowdrop Montessori School Inc

    EIN 475422615 · Headquarters: Haverhill, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Snowman Movement Inc

    EIN 843927620 · Headquarters: Dartmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Snowmobile Association of Ma

    EIN 222497133 · Headquarters: GREENFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. Snowmobilers United Incorporated

    EIN 043153238 · Headquarters: SHREWSBURY, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. Snowy Phoenix

    EIN 413569037 · Headquarters: Winchendon, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Snug Harbor Community Chorus Inc

    EIN 043413446 · Headquarters: DUXBURY, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Snuggle Stop Rescue Inc

    EIN 990462865 · Headquarters: Monson, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Snugtailpettherapy

    EIN 995124180 · Headquarters: Attleboro, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. So Can You Inc

    EIN 455361325 · Headquarters: Brockton, MA, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  10. So Much Potential Inc

    EIN 465541507 · Headquarters: Millis, MA, US · Youth Development · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  11. So We Run Inc

    EIN 272047076 · Headquarters: Beverly, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  12. Soar Management Consulting Group Inc

    EIN 812611540 · Headquarters: Arlington, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Soar Natick Inc

    EIN 822240356 · Headquarters: NATICK, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Soaring Startup Circle Inc

    EIN 465631977 · Headquarters: Boston, MA, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  15. Sober 4 Life Inc

    EIN 814727421 · Headquarters: Attleboro, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Sober House Inc

    EIN 845171598 · Headquarters: METHUEN, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2020 · Primary form: IRS Form 990

  17. Sober Mommies Incorporated

    EIN 463836918 · Headquarters: Holbrook, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  18. Sober Shuttle Inc

    EIN 821797716 · Headquarters: Everett, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Sober Support Inc

    EIN 815061777 · Headquarters: Danvers, MA, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  20. Soberwarriors

    EIN 842975372 · Headquarters: Brockton, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  21. Soc for Human Advncmt Through Rehab Engr Fndtn Inc

    EIN 222506229 · Headquarters: New Bedford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Soccer Academy Ne Inc

    EIN 883528723 · Headquarters: NATICK, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. Soccer Union of the North Shore Inc Dba Sf Vikings Soccer Club

    EIN 043319363 · Headquarters: SAUGUS, MA, USA · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990

  24. Soccer Unity Project

    EIN 900623475 · Headquarters: Boston, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Soccer1 Inc

    EIN 452541303 · Headquarters: Milford, MA, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  26. Soci for Prsrvtn&encrgmt of Barbrsh Op Qrtet Sngng America or Spebsqsa

    EIN 237068276 · Headquarters: Dighton, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Social and Environmental Research

    EIN 043288925 · Headquarters: Shelburne Falls, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Social Capital Inc.

    EIN 760703107 · Headquarters: Woburn, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Social Catalysts Charitable Foundat

    EIN 453061406 · Headquarters: STOW, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  30. Social Club of Pawtucketville

    EIN 041186860 · Headquarters: DRACUT, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  31. Social Committee of Glen Ellen

    EIN 332074679 · Headquarters: Millis, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Social Finance

    EIN 274620963 · Headquarters: Boston, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Social Finance CT Family Stability 2016 Manager Inc

    EIN 364829457 · Headquarters: Boston, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990

  34. Social Impact Partners

    EIN 921203692 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  35. Social Innovation Forum Inc

    EIN 473923576 · Headquarters: BOSTON, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Social Justice Creations Inc

    EIN 474922954 · Headquarters: SPRINGFIELD, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Social Science Research & Evaluation Inc

    EIN 222551337 · Headquarters: Lincoln, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Social Service League of Cohasset Inc

    EIN 042105740 · Headquarters: Cohasset, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  39. Social Services Network Inc

    EIN 272966468 · Headquarters: BROCKTON, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Social Structural Research Inc

    EIN 042711980 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  41. Social Venture Partners Boston Inc

    EIN 454230249 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Social Works of The Order of Christian Spirit

    EIN 470968711 · Headquarters: Jamaica Plain, MA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Social Works Spirit Vale Do Amanhecer Andaro Inc

    EIN 995120294 · Headquarters: LEOMINSTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Socially Liberal Fiscally Conservative Policy Education Cent

    EIN 812856260 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  45. Sociedad Latina Inc

    EIN 042678255 · Headquarters: ROXBURY, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Sociedad Real Estate Holdings Inc

    EIN 842159315 · Headquarters: ROXBURY, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Society for Advancing Biomedical Imaging Corp

    EIN 474062921 · Headquarters: Charlestown, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990

  48. Society for American Soccer History

    EIN 833443078 · Headquarters: Florence, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Society for Anthropological Sciences

    EIN 743157956 · Headquarters: Amherst, MA, US · Social Science · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  50. Society for Business Ethics

    EIN 364361397 · Headquarters: WORCESTER, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  51. Society for Chinese Instrumental Music Inc

    EIN 208840594 · Headquarters: Malden, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Society for Christian Activities

    EIN 046130444 · Headquarters: FORESTDALE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Society for Clinical & Experimental Hypnosis Inc

    EIN 132514779 · Headquarters: CHELSEA, MA, USA · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Society for Clinical Vascular Surgery

    EIN 237085086 · Headquarters: BEVERLY, MA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  55. Society for Design Administration Boston Chapter

    EIN 800406887 · Headquarters: Salem, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  56. Society for Disadvantaged Asian Children Inc

    EIN 262974405 · Headquarters: Wellesley, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  57. Society for Economic Theory

    EIN 743137786 · Headquarters: Boston, MA, US · Social Science · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  58. Society for Functional Near Infrared Spectroscopy Inc

    EIN 464681158 · Headquarters: Winchester, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Society for Functional Precision Medicine

    EIN 843986641 · Headquarters: Boston, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  60. Society for Historically Informed Performance

    EIN 222864994 · Headquarters: SOMERVILLE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Society for Innovation In Imaging

    EIN 874008379 · Headquarters: Cambridge, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Society for Metabolic and Bariatric Endoscopy Incorporated

    EIN 472259311 · Headquarters: CHESTNUT HILL, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Society for Neuroscience

    EIN 043158207 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Society for Neuroscience

    EIN 474832097 · Headquarters: Amherst, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Society for Participatory Medicine

    EIN 270482897 · Headquarters: NEWTON HLDS, MA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. Society for Pharmaceutical Dissolution Science USA Incorporat

    EIN 832708666 · Headquarters: Westborough, MA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 042374186 · Headquarters: Needham, MA, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  68. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 042447989 · Headquarters: Melrose, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 042448095 · Headquarters: Barre, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 042697144 · Headquarters: Eastham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 042938886 · Headquarters: Lowell, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 046111206 · Headquarters: West Roxbury, MA, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  73. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 046112785 · Headquarters: HINGHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 046114608 · Headquarters: Raynham, MA, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  75. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 046139578 · Headquarters: Northborough, MA, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  76. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 046139580 · Headquarters: Florence, MA, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  77. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 046139585 · Headquarters: Peabody, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 237066982 · Headquarters: Wayland, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Society for Propagating the Gospel Among the Indians and Others in North America

    EIN 042121378 · Headquarters: BOSTON, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  80. Society for Quantitative Analyses of Behavior Inc

    EIN 222514995 · Headquarters: Southborough, MA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Society for Research on Calculus Kinetics

    EIN 454672250 · Headquarters: BEVERLY, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Society for Sociological Science

    EIN 462672321 · Headquarters: PITTSFIELD, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  83. Society for Surgery of the Alimentary Tract Foundation

    EIN 311731986 · Headquarters: BEVERLY, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Society for Terrorism Research

    EIN 261119526 · Headquarters: Newton, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Society for the Advancement of Sierra Leonean Americans in Massac

    EIN 271888752 · Headquarters: Stoughton, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Society for the Development of Arts

    EIN 042649373 · Headquarters: NEWBURYPORT, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Society for the Encouragement of the Arts

    EIN 320052876 · Headquarters: gloucester, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Society for the Preservation and Encouragement of Barbershop Quart

    EIN 046114800 · Headquarters: Housatonic, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Society for the Preservation of New Engl

    EIN 042104937 · Headquarters: HAVERHILL, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Society for the Study of Emerging Adulthood Inc

    EIN 453411455 · Headquarters: Worcester, MA, USA · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Society for the Study of Japanese Religions

    EIN 463902108 · Headquarters: Williamstown, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Society for the Study of Muslim Ethics

    EIN 611601271 · Headquarters: South Hadley, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Society for Women in Marine Science Inc

    EIN 845004785 · Headquarters: barnstable, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Society in Dedham for Apprehending Horse Thieves

    EIN 046086784 · Headquarters: Dedham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Society of Arts for Seniors

    EIN 043405270 · Headquarters: Foxboro, MA, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  96. Society of Biomolecular Imaging and Informatics

    EIN 460785878 · Headquarters: CAMBRIDGE, MA, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. Society of Chinese Bioscientists in America

    EIN 760378472 · Headquarters: Boston, MA, USA · Science & Technology · Latest available filing year: 2020 · Primary form: IRS Form 990

  98. Society of Colonial Wars in the Commonwealth of Ma

    EIN 046049519 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  99. Society of Commercial Arboriculture

    EIN 371403949 · Headquarters: SPENCER, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Society of Concurrent Product

    EIN 450471313 · Headquarters: DEDHAM, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

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