Nonprofits in Winchester, Massachusetts

Nonprofits in Winchester, Massachusetts. Browse 235 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. Mastery Transcript Consortium

    EIN 814974458 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. McCall Middle School Parents Assoc

    EIN 061689575 · Headquarters: Winchester, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Middlesex County Beekeepers Association

    EIN 472324870 · Headquarters: Winchester, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Midwest Biopharmaceutical Statistics Workshop

    EIN 610231823 · Headquarters: Winchester, MA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Muraco Elementary School Parents Association

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

  6. Muslim Campus Life Corporation

    EIN 994828190 · Headquarters: Winchester, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Mustang Hall of Fame

    EIN 900058463 · Headquarters: WINCHESTER, MA, USA · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  8. National Fellowship of Housing Ministries

    EIN 043573335 · Headquarters: Winchester, MA, US · Housing & Shelter · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  9. Neighborhood Cooperative Nursery School Inc C/o First Congregational Church

    EIN 042520715 · Headquarters: WINCHESTER, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Neighbors for Rational Growth Inc

    EIN 475490893 · Headquarters: Winchester, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Net Zero Institute Inc

    EIN 933185746 · Headquarters: Winchester, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. NeuLuce

    EIN 813413881 · Headquarters: Winchester, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. New England College of Occupational and Environmental Medicine

    EIN 042477227 · Headquarters: WINCHESTER, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. New England Cycling Coalition for Diversity

    EIN 884081650 · Headquarters: Winchester, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. New England Epic-user Collaborative

    EIN 990478451 · Headquarters: WINCHESTER, MA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. New Opportunities for Wounded Widowed and Orphans of War

    EIN 453574608 · Headquarters: WINCHESTER, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Nextdoor Theater Group Company

    EIN 262988421 · Headquarters: Winchester, MA, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  18. Nteu Chapter 288

    EIN 042871104 · Headquarters: Winchester, MA, US · Employment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  19. Padakshep

    EIN 264412556 · Headquarters: Winchester, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Parent to Parent Inc

    EIN 043386907 · Headquarters: Winchester, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Parker Hill Orthopedic Research Foundation Inc

    EIN 208706632 · Headquarters: WINCHESTER, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Pdf Association Inc

    EIN 833933060 · Headquarters: WINCHESTER, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. Peter French Memorial Foundation

    EIN 200902950 · Headquarters: WINCHESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. Peter G Colton Memorial Fund

    EIN 881842779 · Headquarters: Winchester, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Philharmonic Society of Arlington Inc

    EIN 042440831 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Pitirim a Sorokin Foundation Inc

    EIN 451555726 · Headquarters: WINCHESTER, MA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. Pli Inc

    EIN 812949215 · Headquarters: WINCHESTER, MA, US · Youth Development · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  28. Pop Warner Little Scholars Inc

    EIN 800563501 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Popponesset Bay Yacht Club

    EIN 141841639 · Headquarters: Winchester, MA, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  30. Protect Global Children Corp

    EIN 932312807 · Headquarters: WINCHESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Psmc5 Foundation Inc

    EIN 871890681 · Headquarters: WINCHESTER, MA, US · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Public Square Media Inc

    EIN 474274689 · Headquarters: WINCHESTER, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  33. Reboot Rx Inc

    EIN 844384737 · Headquarters: Winchester, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Resilient Roses Respite Corp

    EIN 845149001 · Headquarters: WINCHESTER, MA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  35. Resources for Rehabilitation Inc

    EIN 042975007 · Headquarters: Winchester, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Robert C Carco 31 Charitable Foundation

    EIN 043060962 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  37. Robsham Family Foundation

    EIN 822640955 · Headquarters: WINCHESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. Rotary International Winchester Rotary Club

    EIN 046113292 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Savery Pond Conservancy

    EIN 834404017 · Headquarters: Winchester, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Schools for Children Inc

    EIN 042730069 · Headquarters: WINCHESTER, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Science and Education Institute International Inc

    EIN 474218243 · Headquarters: Winchester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Science to People

    EIN 993577247 · Headquarters: WINCHESTER, MA, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Scuola Piccoli Italiani Di Boston Inc

    EIN 823353626 · Headquarters: Winchester, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Snave Foundation

    EIN 236928009 · Headquarters: Winchester, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. 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

  46. Society of Miniature Ship Collectors

    EIN 263886175 · Headquarters: Winchester, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Society of Nurses Scientist Innov Entrepreneurs and Leaders Inc

    EIN 841876347 · Headquarters: WINCHESTER, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Society of Physician Quality Officers Inc

    EIN 272960723 · Headquarters: WINCHESTER, MA, US · Crime & Legal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  49. Sons of Italy in America

    EIN 042499593 · Headquarters: WINCHESTER, MA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Sons of Italy in America

    EIN 042808242 · Headquarters: Winchester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Soul Glow Incorporated

    EIN 332242242 · Headquarters: Winchester, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. St Peters Anglican Church

    EIN 208740146 · Headquarters: Winchester, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Stephen R Baum Foundation

    EIN 710881160 · Headquarters: Winchester, MA, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Sunita and Brian Pereira Family Foundation

    EIN 832884106 · Headquarters: WINCHESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  55. Sustainable Winchester Inc

    EIN 261692774 · Headquarters: Winchester, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Swim Winchester Inc

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

  57. Sylvia's Haven Inc

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

  58. Taste of Heaven Ministry Inc

    EIN 274442816 · Headquarters: WINCHESTER, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. The Boston Pledge Inc

    EIN 010615117 · Headquarters: WINCHESTER, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. The Bridget Brigade Foundation Incorporated

    EIN 273585096 · Headquarters: WINCHESTER, MA, USA · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  61. The Creative Soul of Children Inc

    EIN 142005911 · Headquarters: Winchester, MA, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  62. The Doe Family Foundation

    EIN 266126856 · Headquarters: WINCHESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  63. The Griffin Museum of Photography Inc

    EIN 043517288 · Headquarters: WINCHESTER, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. The Harry & Phyllis Manko Family Foundation

    EIN 113463208 · Headquarters: WINCHESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  65. The Heath Family Foundation Inc

    EIN 043248841 · Headquarters: Winchester, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  66. The James & Veronica Chesterton Family Foundation

    EIN 412163663 · Headquarters: WINCHESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  67. The Mary E Murphy & John F Murphy Jr Charitable Trust

    EIN 046772198 · Headquarters: Winchester, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  68. The Mccall Family Charitable Foundation C/o William Mccall

    EIN 046931843 · Headquarters: WINCHESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  69. The Michael Dunleavy Foundation Inc

    EIN 550809582 · Headquarters: WINCHESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. The Network for Social Justice Inc

    EIN 043118712 · Headquarters: WINCHESTER, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. The Pierce Family Fragile X Foundation

    EIN 811175765 · Headquarters: WINCHESTER, MA, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. The Reading Circuit Inc

    EIN 881983201 · Headquarters: Winchester, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. The Rich Keshian Memorial Fundinc

    EIN 043567436 · Headquarters: WINCHESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. The Robert and Michelle Cooke Atchinson Foundation

    EIN 046875099 · Headquarters: WINCHESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  75. The Winton Club

    EIN 042156187 · Headquarters: WINCHESTER, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Toastmasters International

    EIN 993182019 · Headquarters: Winchester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Town Common Task Force

    EIN 872254269 · Headquarters: Winchester, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Twenty-first Century Initiative Inc

    EIN 043402877 · Headquarters: Winchester, MA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  79. US India Security Council Inc

    EIN 260648782 · Headquarters: Winchester, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Vemireddy Charitable Foundation Rekha Vemireddy

    EIN 431773856 · Headquarters: WINCHESTER, MA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  81. Vinson-owen Parents Association

    EIN 200033895 · Headquarters: Winchester, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Whs Ultimate Frisbee

    EIN 461175835 · Headquarters: Winchester, MA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  83. Winchester After School Program

    EIN 042749765 · Headquarters: WINCHESTER, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Winchester Alumni Association Inc

    EIN 832312300 · Headquarters: Winchester, MA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  85. Winchester Basketball Association Inc

    EIN 205548905 · Headquarters: Winchester, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Winchester Boat Club Inc

    EIN 041978020 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Winchester Chamber of Commerce Inc

    EIN 042663114 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Winchester Committee for A Better Chance

    EIN 237121159 · Headquarters: Winchester, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Winchester Community Access & Media Inc Wincam

    EIN 043537739 · Headquarters: WINCHESTER, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Winchester Community Center Foundation Inc

    EIN 260119435 · Headquarters: Winchester, MA, US · Human Services · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  91. Winchester Community Music School Trust

    EIN 046510295 · Headquarters: WINCHESTER, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Winchester Community Service Foundation Inc

    EIN 300223789 · Headquarters: WINCHESTER, MA, USA · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  93. Winchester Cooperative Nursery School Inc

    EIN 042534124 · Headquarters: Winchester, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Winchester Country Club

    EIN 041978080 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Winchester Estates Garden Club C/o Janet Morehouse

    EIN 222562875 · Headquarters: WINCHESTER, MA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  96. Winchester Farmers Market Community Hub Inc

    EIN 813545993 · Headquarters: WINCHESTER, MA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. Winchester Fields Development Council

    EIN 263876603 · Headquarters: WINCHESTER, MA, USA · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990

  98. Winchester Firemans Relief Association

    EIN 046057339 · Headquarters: Winchester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Winchester First Responders Fund

    EIN 922082834 · Headquarters: WINCHESTER, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Winchester Foundation for Educational Excellence Inc

    EIN 043138413 · Headquarters: WINCHESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

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