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. Winter Walk Inc

    EIN 920734185 · Headquarters: BOSTON, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Winter Warmth Project for Kids by Kids

    EIN 550821419 · Headquarters: Andover, MA, US · Human Services · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  3. Winters Call Disaster Relief

    EIN 874403901 · Headquarters: LONGMEADOW, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  4. Winthrop Advocacy Resources Community Inc

    EIN 237335919 · Headquarters: Winthrop, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Winthrop Ames Scholarship

    EIN 046026810 · Headquarters: MARSHFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  6. Winthrop Art Association Inc

    EIN 237335918 · Headquarters: Winthrop, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Winthrop Chamber of Commerce Inc

    EIN 042807677 · Headquarters: WINTHROP, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  8. Winthrop Charities Trust

    EIN 043482791 · Headquarters: WINTHROP, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Winthrop Community Access Television Inc

    EIN 042951470 · Headquarters: WINTHROP, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Winthrop Farmers Market Inc

    EIN 473197556 · Headquarters: WINTHROP, MA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Winthrop Firefighters Local 1070 Inc

    EIN 992033658 · Headquarters: WINTHROP, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Winthrop Golf Club

    EIN 041980880 · Headquarters: WINTHROP, MA, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990

  13. Winthrop Improvement & Historical Association

    EIN 046054758 · Headquarters: Winthrop, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. Winthrop Little League Inc

    EIN 320035154 · Headquarters: WINTHROP, MA, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  15. Winthrop Lodge of Elks #1078

    EIN 041079740 · Headquarters: WINTHROP, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Winthrop Loves Trees Inc

    EIN 871617244 · Headquarters: Winthrop, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Winthrop Park School Inc C/o Steve Hinds

    EIN 823447166 · Headquarters: NEWTON, MA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  18. Winthrop Parks

    EIN 823163368 · Headquarters: Winthrop, MA, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  19. Winthrop Playmakers Inc

    EIN 237263442 · Headquarters: Winthrop, MA, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  20. Winthrop Police Department Union Local 4

    EIN 473604122 · Headquarters: WINTHROP, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Winthrop Public Library & Museum Foundation Inc

    EIN 300622290 · Headquarters: Winthrop, MA, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  22. Winthrop Rotary Club Foundation Inc

    EIN 261889089 · Headquarters: Winthrop, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Winthrop Sailing Foundation

    EIN 824791059 · Headquarters: Winthrop, MA, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. Winthrop Skating Association Inc

    EIN 043068915 · Headquarters: WINTHROP, MA, USA · Youth Development · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  25. Winthrop Viking Youth Cheer

    EIN 833433637 · Headquarters: Winthrop, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Winthrop Yacht Club Inc

    EIN 041981140 · Headquarters: Winthrop, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  27. Winthrop Youth Aau Basketball

    EIN 811477208 · Headquarters: Winthrop, MA, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  28. Winthrop Youth Hockey Association Inc

    EIN 043093620 · Headquarters: WINTHROP, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Wintman Family Charitable Trust a C/o Alison Wintman

    EIN 276664954 · Headquarters: NEWTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  30. Wintman Family Charitable Trust B C/o Bruce I Wintman

    EIN 276664980 · Headquarters: PITTSFIELD, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. Wiping Out Drug Abuse Inc

    EIN 043022191 · Headquarters: Brockton, MA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  32. Wired Differently Inc

    EIN 454783825 · Headquarters: CAMBRIDGE, MA, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  33. Wisdom Lotus Foundation Inc

    EIN 814341128 · Headquarters: LINCOLN, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Wisdom Meditation Center Inc

    EIN 883230945 · Headquarters: Brockton, MA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Wisdom of Family

    EIN 334652306 · Headquarters: HOLBROOK, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Wisdom Way Inc

    EIN 263303029 · Headquarters: Beverly, MA, US · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  37. Wisdom's Heart Inc

    EIN 261790726 · Headquarters: ROCKPORT, MA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  38. Wise Boston

    EIN 271611628 · Headquarters: Quincy, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Wise Counsel Research Inc

    EIN 263731176 · Headquarters: Milton, MA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Wise Up Foundation Inc

    EIN 883821120 · Headquarters: DEDHAM, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Wishing Well Charitiies Inc

    EIN 862575454 · Headquarters: WARE, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Wistariahurst Museum Association Inc

    EIN 042791245 · Headquarters: HOLYOKE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  43. Wisteria Montessori Inc

    EIN 831413096 · Headquarters: HAVERHILL, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Wit Police Union

    EIN 464561779 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Wit Realty Corp

    EIN 043105106 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990

  46. Witch City Community Theatre Inc

    EIN 333829895 · Headquarters: Beverly, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Witch Hill Home Owners Association

    EIN 994973798 · Headquarters: Salem, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Witch Hunt Theatre Company

    EIN 334211622 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Witches on the Water Inc

    EIN 844777909 · Headquarters: EAST ORLEANS, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. With a Little Help from My Friends Inc

    EIN 933863684 · Headquarters: Westborough, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. With Alliance for Africa Improvement Council

    EIN 883665704 · Headquarters: Brookline, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. With Women Kisoboka

    EIN 844956061 · Headquarters: CAMBRIDGE, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. With You Now Inc

    EIN 932876371 · Headquarters: Littleton, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Witherspoon Institute

    EIN 263157778 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. Within Me Inc

    EIN 842796499 · Headquarters: FALL RIVER, MA, USA · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  56. Within Reach Inc

    EIN 881422512 · Headquarters: Boston, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Within Worthington 01098 Apdas Inc

    EIN 272534993 · Headquarters: Worthington, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Withmore Hope Incorporated

    EIN 852321295 · Headquarters: Arlington, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Withstandley Family Charitable Foundation

    EIN 926473716 · Headquarters: CHATHAM, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  60. Witness Tree Institute of Ghana Inc

    EIN 842481953 · Headquarters: Maynard, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Witnessing the Grace of God Interna Tional Ministries Inc

    EIN 332187228 · Headquarters: Concord, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Wlc Housing Inc

    EIN 043260692 · Headquarters: QUINCY, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Wlc Management Company Inc

    EIN 043333863 · Headquarters: QUINCY, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Wm Cycling Events Inc

    EIN 464349867 · Headquarters: Plymouth, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Wm F Eggo Post 2597 Inc

    EIN 046126704 · Headquarters: Billerica, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. WMAPI Inc

    EIN 814074923 · Headquarters: Holyoke, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Wnr Inc

    EIN 043419920 · Headquarters: Oak Bluffs, MA, USA · Health Care · Latest available filing year: 2010 · Primary form: IRS Form 990

  68. Woburn Chamber of Commerce Inc

    EIN 042845604 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Woburn Chapt No 2101 Women of the Moose

    EIN 043398799 · Headquarters: WOBURN, MA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  70. Woburn Community Educational Foundation

    EIN 800968482 · Headquarters: Woburn, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Woburn Community Fridge

    EIN 384391883 · Headquarters: Woburn, MA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Woburn Council of Social Concern Inc

    EIN 042494773 · Headquarters: Woburn, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Woburn Diamond Baseball Club Inc

    EIN 820711108 · Headquarters: WOBURN, MA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  74. Woburn Feral Cat Coalition

    EIN 562625984 · Headquarters: Woburn, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Woburn Firefighters Local 971

    EIN 046143969 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Woburn Guild of Artists Inc

    EIN 042685922 · Headquarters: Woburn, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Woburn Historical Society Inc

    EIN 680639223 · Headquarters: WOBURN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Woburn Host Lions Charities Inc

    EIN 043323262 · Headquarters: WOBURN, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Woburn Little League

    EIN 521277710 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  80. Woburn Lodge No 1214 Loyal Order of Moose

    EIN 041559050 · Headquarters: Woburn, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Woburn Mall Merchants Assn Inc C/o Robert Sack Cooper Jewelers

    EIN 042716323 · Headquarters: WOBURN, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  82. Woburn Masonic Temple Association Inc

    EIN 237244321 · Headquarters: STONEHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Woburn Municipal Waterworks Museum Inc

    EIN 851286625 · Headquarters: Hanover, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Woburn Pee Wee Football Assoc Inc

    EIN 043096478 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Woburn Police Patrol Association

    EIN 832591240 · Headquarters: WOBURN, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Woburn Police Superior Officers Association

    EIN 463753112 · Headquarters: WOBURN, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Woburn Public Library

    EIN 046047185 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Woburn Public Library Foundation

    EIN 462946284 · Headquarters: WOBURN, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Woburn Public Media Center Inc

    EIN 203165653 · Headquarters: WOBURN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Woburn Sportsmens Association Inc

    EIN 042636548 · Headquarters: BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Woburn Tigers Incorporated

    EIN 331323107 · Headquarters: SALEM, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Woburn Wrestling Corporation

    EIN 452684630 · Headquarters: Woburn, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Woburn Xc and Track Scholarship Foundation

    EIN 823202486 · Headquarters: WOBURN, MA, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  94. Woburn Youth Field Hockey Inc

    EIN 331237252 · Headquarters: Woburn, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Woburn Youth Hockey Association Inc

    EIN 237374655 · Headquarters: Woburn, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Woburn Youth Lacrosse

    EIN 453800226 · Headquarters: Woburn, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Woburn Youth Soccer Association Inc

    EIN 042800438 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  98. Woburnstoneham Ma Lodge 908 Be Protective Order of Elks USA In

    EIN 237583777 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Wodehouse Society

    EIN 593794919 · Headquarters: Bedford, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Wolcott Street Corporation

    EIN 223311122 · Headquarters: Lexington, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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