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. National Society of the Sons of the American Revolution

    EIN 800678344 · Headquarters: AVON, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  2. National Society of Tole & Decorative Painters

    EIN 043206345 · Headquarters: Southhampton, MA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  3. National Society of Tole & Decorative Painters

    EIN 043296587 · Headquarters: WEST BARNSTABLE, MA, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  4. National Society of Tole & Decorative Painters

    EIN 050384882 · Headquarters: MILLVILLE, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  5. National Society Sons of the American Revolution

    EIN 680662970 · Headquarters: Scituate, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. National Society United States Daughters of 1812

    EIN 237400263 · Headquarters: Lynn, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. National South Asian Medical Student Association

    EIN 871128348 · Headquarters: Acton, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. National Space Society

    EIN 454051575 · Headquarters: Reading, MA, US · Science & Technology · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  9. National Staff Organization

    EIN 900115166 · Headquarters: Danvers, MA, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  10. National Tay-sachs & Allied Diseases Ass

    EIN 131912877 · Headquarters: BRIGHTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. National Telecommuting Institute Inc

    EIN 043277044 · Headquarters: BOSTON, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. National Treasury Employees Union

    EIN 042709476 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. National Treasury Employees Union

    EIN 042987028 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. National Treasury Employees Union

    EIN 043146957 · Headquarters: Lexington, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. National Treasury Employees Union

    EIN 043259899 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. National Treasury Employees Union

    EIN 046111663 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. National Treasury Employees Union

    EIN 222554291 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  18. National Tunis Sheep Registry Inc

    EIN 141758838 · Headquarters: Harvard, MA, US · Food, Agriculture & Nutrition · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  19. National Union Senior Citizens Housing Ii Inc

    EIN 223043563 · Headquarters: QUINCY, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. National Union Sr Citizens Housing Corp C/o Peabody Properties Inc

    EIN 222536031 · Headquarters: QUINCY, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. National Widowers Organization Inc

    EIN 270797752 · Headquarters: East Sandwich, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. National Wind Watch Inc

    EIN 203175773 · Headquarters: Pittsfield, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. National Youth Sports Safety Foundation

    EIN 043014030 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  24. Nationary Treasury Employees Union Chapter 133

    EIN 510192083 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Native American Alumni of Harvard University and Friends Inc

    EIN 853986882 · Headquarters: Medford, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Native American Heritage at Pequoig Inc

    EIN 822998067 · Headquarters: Winchendon, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Native American Lifelines of Boston Inc

    EIN 834634923 · Headquarters: SOUTH BOSTON, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Native and Tribal Human Rights in Action

    EIN 822860862 · Headquarters: Vineyard Haven, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Native Land Conservancy

    EIN 463944868 · Headquarters: Mashpee, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Native Plant Trust Inc

    EIN 042104768 · Headquarters: WAYLAND, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Native Pulse Inc

    EIN 271218730 · Headquarters: Quincy, MA, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  32. Nativity Preparatory School New Bedford Inc

    EIN 043501206 · Headquarters: NEW BEDFORD, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Nativity School of Worcester Inc

    EIN 030385377 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Nativity-boston Inc

    EIN 043063140 · Headquarters: JAMAICA PLAIN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Natl Alliance of Concerned Americans

    EIN 562678445 · Headquarters: Greenfield, MA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  36. Natl Assoc of Letter Carriers Branch 46

    EIN 046188849 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Natl Society Women Descendants of the Ancient & Honorable Artillery

    EIN 237348929 · Headquarters: Arlington, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Nato Research Workshop

    EIN 042772418 · Headquarters: N DARTMOUTH, MA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Natree Inc

    EIN 811802245 · Headquarters: Andover, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Natural Healing Pathways Inc

    EIN 522416392 · Headquarters: Walpole, MA, US · Health Care · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  41. Natural Horsemanship Equine Rescue Inc

    EIN 352404667 · Headquarters: PLYMOUTH, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. Natural Resources Trust of Bridgewater

    EIN 043399534 · Headquarters: BRIDGEWATER, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Natural Resources Trust of Easton

    EIN 046171476 · Headquarters: NORTH EASTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Natural Resources Trust of Mansfield Inc

    EIN 237209423 · Headquarters: MANSFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Natural Resources Trust of Plainville Inc

    EIN 042626445 · Headquarters: Plainville, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Naturalists Club

    EIN 222595904 · Headquarters: Springfield, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Naturally New England Inc

    EIN 934772857 · Headquarters: BECKET, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Nature Matters Inc

    EIN 822512456 · Headquarters: Lee, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Nature Preserve Inc

    EIN 042664512 · Headquarters: PEMBROKE, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. Nature Printing Society

    EIN 273845641 · Headquarters: NANTUCKET, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Nature's Classroom Inc

    EIN 042621656 · Headquarters: CHARLTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Nature-Knowledge-Health

    EIN 841972862 · Headquarters: N ATTLEBORO, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. Natures Nurse Wildlife Rehabilitation

    EIN 843682649 · Headquarters: Franklin, MA, US · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  54. Naturestage Inc

    EIN 203323110 · Headquarters: Watertown, MA, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  55. Naturopath Sanctuary Inc

    EIN 821979871 · Headquarters: Lexington, MA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Nau-sets Square Dance Club Inc

    EIN 043201485 · Headquarters: Orleans, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  57. Naukeag Lake Club Inc

    EIN 042685800 · Headquarters: ASHBURNHAM, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. Nauset Beach Lifeguard Alumni Association Inc

    EIN 990973817 · Headquarters: Brewster, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Nauset Business & Professional Womens Club

    EIN 046074038 · Headquarters: Chatham, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  60. Nauset Education Associationinc Att Rosemary Johnson (Treasurer)

    EIN 043166388 · Headquarters: ORLEANS, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  61. Nauset Endowment Foundation Inc

    EIN 475306658 · Headquarters: Orleans, MA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  62. Nauset Garden Club of Cape Cod Ma

    EIN 043481897 · Headquarters: ORLEANS, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Nauset Heights Association Inc

    EIN 222507887 · Headquarters: East Orleans, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Nauset Heritage Foundation Corp

    EIN 334598308 · Headquarters: wellfleet, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Nauset Interfaith Association

    EIN 800502326 · Headquarters: Wellfleet, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Nauset Light Preservation Society Inc

    EIN 043236687 · Headquarters: EASTHAM, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Nauset Model Railroad Club Inc

    EIN 043359306 · Headquarters: Orleans, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Nauset Music Booster Club Inc

    EIN 471058908 · Headquarters: Orleans, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Nauset Neighbors Inc

    EIN 272543207 · Headquarters: Orleans, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Nauset Newcomers Inc

    EIN 042625210 · Headquarters: ORLEANS, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  71. Nauset Regional Middle School Parent Teacher Organization

    EIN 882044692 · Headquarters: ORLEANS, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Nauset Together We Can Prevention Council Inc

    EIN 043281724 · Headquarters: Orleans, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Nauset Warriors Booster Club Inc

    EIN 460544379 · Headquarters: ORLEANS, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Nauset Youth Alliance

    EIN 043101427 · Headquarters: BREWSTER, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Nauset Youth Hockey Association

    EIN 043026416 · Headquarters: EAST ORLEANS, MA, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  76. Nausetfan Inc

    EIN 270988555 · Headquarters: South Dennis, MA, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  77. Nautical Whalers Parrot Head Club Inc

    EIN 043509834 · Headquarters: Dartmouth, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  78. Naval Reserve Association Inc

    EIN 237427703 · Headquarters: Sutton, MA, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  79. Navegacion De Pacientes Internacional Inc

    EIN 844684358 · Headquarters: LOWELL, MA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Naveo Credit Union

    EIN 041144988 · Headquarters: SOMERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Navigating the Nest Inc

    EIN 332111889 · Headquarters: Duxbury, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Navigation Games Inc

    EIN 473952861 · Headquarters: Cambridge, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Navigational Electronic Charts System Association

    EIN 521927962 · Headquarters: Mashpee, MA, US · Science & Technology · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  84. Navigator Foundation Inc

    EIN 222477941 · Headquarters: Beverly Farms, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  85. Navigator Homes of Marthas Vineyard

    EIN 845182763 · Headquarters: Vineyard Haven, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Navy Seabee Veterans of America

    EIN 201691786 · Headquarters: Saugus, MA, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  87. Navy Seabee Veterans of America

    EIN 363382097 · Headquarters: Southwick, MA, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  88. Navy Seabee Veterans of America

    EIN 911778425 · Headquarters: SAUGUS, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. Navy Seabee Veterans of America

    EIN 912114578 · Headquarters: SAUGUS, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  90. Navy Seabee Veterans of America

    EIN 912114581 · Headquarters: PLYMOUTH, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Navy Seal Foundation New England Inc

    EIN 461075628 · Headquarters: DUXBURY, MA, USA · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990

  92. Navy Yard Garden & Art Inc

    EIN 820704863 · Headquarters: Charlestown, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Naz Foundation Inc

    EIN 263875512 · Headquarters: Milton, MA, US · Science & Technology · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  94. Nazda Alam Foundation

    EIN 825138198 · Headquarters: Weston, Massachusetts, United States · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Nb Nation Inc

    EIN 992886107 · Headquarters: NEEDHAM, MA, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  96. Nba Rescue Inc

    EIN 830927422 · Headquarters: BROCKTON, MA, US · Animal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  97. Nbea Health and Welfare Fund

    EIN 046744659 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Nbm Highway Association Inc

    EIN 042880104 · Headquarters: NORTH EASTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Nbpt Cornhole

    EIN 881130643 · Headquarters: Amesbury, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Nbt Charitable Trust

    EIN 046677641 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

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