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. Swansea Historical Society Inc

    EIN 043244771 · Headquarters: SWANSEA, MA, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  2. Swansea Independent Baseball League Inc

    EIN 043209075 · Headquarters: SWANSEA, MA, USA · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  3. Swansea Little League Inc

    EIN 042953108 · Headquarters: SWANSEA, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Swansea Police Association

    EIN 237125140 · Headquarters: SWANSEA, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  5. Swansea Police Patrolmans Assn

    EIN 042759905 · Headquarters: SWANSEA, MA, USA · Crime & Legal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  6. Swansea Sports Corp

    EIN 882335457 · Headquarters: SWANSEA, MA, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  7. Swansea Velo Club Inc

    EIN 815476708 · Headquarters: Swansea, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Swansea-somerset Youth Soccer League Inc

    EIN 042888637 · Headquarters: FALL RIVER, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. Swartz Foundation

    EIN 043255974 · Headquarters: NEWTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  10. Swartz Foundation

    EIN 311671683 · Headquarters: NEEDHAM, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  11. Swasey Fund Inc

    EIN 046051742 · Headquarters: Newburyport, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  12. Swcla

    EIN 300587280 · Headquarters: Southbridge, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  13. Sweat for Vets

    EIN 460691497 · Headquarters: Marlborough, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Swedish American Chamber of Commerce of New England Inc

    EIN 010780670 · Headquarters: Cambridge, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Swedish Ancestry Research Association Inc

    EIN 043310045 · Headquarters: Worcester, MA, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  16. Swedish Cemetery Corporation

    EIN 041887680 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. Swedish National Federation

    EIN 042765429 · Headquarters: SHREWSBURY, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Swedish School of Boston Inc

    EIN 043546493 · Headquarters: WESTON, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Swedish Ski Club Inc

    EIN 237117007 · Headquarters: Lexington, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Swedish Social Club of Gardner Mass

    EIN 046185292 · Headquarters: Westminster, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Sweet Adelines International

    EIN 042395407 · Headquarters: Saugus, MA, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  22. Sweet Adelines International

    EIN 042802503 · Headquarters: Easthampton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Sweet Adelines International

    EIN 043344370 · Headquarters: Westford, MA, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  24. Sweet Adelines International

    EIN 061585530 · Headquarters: Auburn, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Sweet Adelines International

    EIN 237032107 · Headquarters: Lanesborough, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Sweet Adelines International

    EIN 237446582 · Headquarters: Andover, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Sweet Adelines International

    EIN 510170342 · Headquarters: Canton, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Sweet Adelines International

    EIN 521438725 · Headquarters: Hyannis Port, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Sweet Adelines International

    EIN 521463680 · Headquarters: Holden, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. Sweet Adelines International

    EIN 521641139 · Headquarters: Plainville, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Sweet Inc

    EIN 462331408 · Headquarters: Sudbury, MA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  32. Sweet Inspirations Llc

    EIN 881306061 · Headquarters: Milford, MA, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Sweet Paws Rescue Inc

    EIN 274638058 · Headquarters: Groveland, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Sweet Readers Inc

    EIN 451682762 · Headquarters: BOSTON, MA, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  35. Sweet Sadies Difference Makers

    EIN 862617760 · Headquarters: Burlington, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  36. Sweetpea Friends of Rutland Animals

    EIN 043550699 · Headquarters: PAXTON, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Swift Charity

    EIN 046052150 · Headquarters: Milton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. Swift River Conservation Effort Inc

    EIN 933519029 · Headquarters: Indian Orchard, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Swift River Horizons Inc C/o Andrea Edwards

    EIN 465325512 · Headquarters: KINGSTON, MA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  40. Swift River Preservation Assoc Inc

    EIN 274362179 · Headquarters: BELCHERTOWN, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Swift River School Parent Teacher Community Association Ptca

    EIN 432101045 · Headquarters: NEW SALEM, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Swift River Sportsmans Club Inc

    EIN 046048487 · Headquarters: WARE, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Swift River Valley Historical Society Inc

    EIN 042401354 · Headquarters: New Salem, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Swifty Auto Mall Inc

    EIN 043380739 · Headquarters: Roxbury, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Swim Freedom Inc

    EIN 992519239 · Headquarters: Cambridge, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Swim Winchester Inc

    EIN 461796334 · Headquarters: Winchester, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Swim with a Special Child

    EIN 046360763 · Headquarters: Scituate, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Swing with Me Association

    EIN 320008831 · Headquarters: Nahant, MA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  49. Swings for Smiles the Clara Clements Foundation

    EIN 334970487 · Headquarters: Braintree, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Swirls Around the World Inc

    EIN 301178694 · Headquarters: DANVERS, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  51. Swiss Society of Boston

    EIN 237398486 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Swiss-american Chamber of Commerce Boston Chapter Inc

    EIN 263255825 · Headquarters: Westborough, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. Swoosh Sports Club

    EIN 811116302 · Headquarters: Peabody, MA, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  54. Sybl Inc

    EIN 264367303 · Headquarters: SUTTON, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Sycamore Canyon Plaza Inc

    EIN 943319118 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990

  56. Sycamore Hills Plaza Llc Co Aew Capital Management Lp

    EIN 832217753 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Sydney & Phyllis Wragge Foundation

    EIN 136272106 · Headquarters: SHERBORN, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  58. Sydney Craven Memorial Fund

    EIN 475240964 · Headquarters: East Bridgewater, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Sydney Darragh Foundation Inc

    EIN 471368991 · Headquarters: Upton, MA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Sydney S Mcmath Jr Charitable Foundation

    EIN 816519090 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  61. Sydney University Graduates Union North America

    EIN 931069358 · Headquarters: Arlington, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Sylvania Employees Association

    EIN 046114559 · Headquarters: PEABODY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Sylvester Memorial Fund

    EIN 046047069 · Headquarters: NORWELL, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  64. Sylvia Memorial Inc

    EIN 992247934 · Headquarters: Worcester, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Sylvia's Haven Inc

    EIN 042959252 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  66. SYM Equine Services Inc

    EIN 990990010 · Headquarters: Carlisle, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Symbas Movement

    EIN 874004701 · Headquarters: Boston, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Symbiosis New England Inc

    EIN 061717372 · Headquarters: Norwood, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Symes Family Charitable Foundation

    EIN 043494605 · Headquarters: BEVERLY, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  70. SYMI-FR Inc

    EIN 851003957 · Headquarters: Assonet, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Symmes Life Care Inc D/b/a Brookhaven at Lexington

    EIN 042853296 · Headquarters: LEXINGTON, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Symmes Memorial Fund Co Rockland Trust

    EIN 203376787 · Headquarters: HANOVER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Symphony Area Renaissance Trust

    EIN 042683565 · Headquarters: Boston, MA, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Symphony by the Sea Ltd

    EIN 042734344 · Headquarters: MARBLEHEAD, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Symphony Nova Inc

    EIN 260852508 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  76. Symphony Pro Musica Society Inc

    EIN 042922882 · Headquarters: HUDSON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Symphony Road Community Garden

    EIN 471756183 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  78. Synapse Foundation Inc

    EIN 392716609 · Headquarters: Boston, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Synapse National Inc

    EIN 842682075 · Headquarters: Lynnfield, MA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  80. Synchronizeup

    EIN 920770576 · Headquarters: Jamaica Plain, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Synthesis Center Inc

    EIN 042621726 · Headquarters: Amherst, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Synthesis Institute

    EIN 943160620 · Headquarters: Jamaica Plain, MA, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  83. Synthetic Biology Industry Association Inc

    EIN 271740985 · Headquarters: WALTHAM, MA, USA · Science & Technology · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  84. Synthisophy Inc

    EIN 884400673 · Headquarters: CHICOPEE, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Syrian American Network Inc

    EIN 393080879 · Headquarters: NEWTON HIGHLANDS, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Syrian Crafts Council

    EIN 333842030 · Headquarters: Medford, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Syrian Refugee Mission of New England Inc

    EIN 825213153 · Headquarters: BEVERLY, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. System Dynamics Society Mit Chapter

    EIN 334489113 · Headquarters: Pittsfield, MA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Systems Research Foundation

    EIN 262501753 · Headquarters: LINCOLN, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  90. Szawlowski Farms Agricultural Foundation

    EIN 272994820 · Headquarters: Hadley, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Sze Family Charitable Foundation

    EIN 476437037 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  92. T a Public Safety Com Fitchburg

    EIN 046023450 · Headquarters: WAKEFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  93. T Backer Fund Inc C/o Daniel Grunberg

    EIN 141640994 · Headquarters: LEXINGTON, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  94. T Dustin Alward Memorial Fund

    EIN 223033723 · Headquarters: RANDOLPH, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. T K & True Light Ministry

    EIN 270021763 · Headquarters: Burlington, MA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. T S K K Inc

    EIN 043239762 · Headquarters: WEBSTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. T W Josephine K Funkhouser

    EIN 616082080 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  98. T-Bird Foundation Inc

    EIN 883556365 · Headquarters: Hingham, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. T1d Action Inc

    EIN 934475323 · Headquarters: Cohasset, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. T1d Exchange Inc

    EIN 451623549 · Headquarters: BOSTON, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

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