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. Williams Sideline Quarterback Club Inc

    EIN 222509971 · Headquarters: WILLIAMSTOWN, MA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  2. Williams-wilkinson Family Charitable Foundation Inc

    EIN 472075485 · Headquarters: Brookline, MA, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  3. Williamsburg Cemetery Association

    EIN 042033929 · Headquarters: Williamsburg, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Williamsburg Firefighters Association

    EIN 042794480 · Headquarters: Williamsburg, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Williamsburg Historical Society Inc

    EIN 237423314 · Headquarters: Williamsburg, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Williamsburg Schools Parent Teacher Organization Inc

    EIN 364629441 · Headquarters: Williamsburg, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Williamsburg Visiting Nurses Association

    EIN 042170960 · Headquarters: Haydenville, MA, US · Health Care · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  8. Williamstown Art Conservation Center Inc

    EIN 042629476 · Headquarters: WILLIAMSTOWN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Williamstown Chamber of Commerce

    EIN 237042933 · Headquarters: WILLIAMSTOWN, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Williamstown Community Association

    EIN 046038623 · Headquarters: WILLIAMSTOWN, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  11. Williamstown Community Chest

    EIN 046044550 · Headquarters: WILLIAMSTOWN, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990

  12. Williamstown Community Preschool Inc

    EIN 042496082 · Headquarters: WILLIAMSTOWN, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Williamstown Cooperative Nursery Inc

    EIN 042395620 · Headquarters: WILLIAMSTOWN, MA, USA · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  14. Williamstown Elderly Housing Corporation C/o Hearthway Inc

    EIN 042649177 · Headquarters: PITTSFIELD, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Williamstown Film Festival Inc

    EIN 043439329 · Headquarters: WILLIAMSTOWN, MA, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  16. Williamstown Garden Club

    EIN 010819714 · Headquarters: WILLIAMSTOWN, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Williamstown Historical Museum

    EIN 046118588 · Headquarters: Williamstown, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. Williamstown Meetinghouse Preservation Fund Inc

    EIN 854185260 · Headquarters: WILLIAMSTOWN, MA, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. Williamstown Rural Lands Foundation

    EIN 042940686 · Headquarters: WILLIAMSTOWN, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Williamstown Soccer Club Inc

    EIN 392674181 · Headquarters: Williamstown, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Williamstown Theatre Foundationinc

    EIN 042237311 · Headquarters: WILLIAMSTOWN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Williamstown Youth Center Inc

    EIN 042105836 · Headquarters: WILLIAMSTOWN, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Willie Byers Memorial Scholarship Fund

    EIN 010657466 · Headquarters: EWKSBURY, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Willie Fund Corporation

    EIN 872359445 · Headquarters: NORTH FALMOUTH, MA, USA · Medical Research · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  25. Willie Ross School for the Deaf Inc

    EIN 042430193 · Headquarters: LONGMEADOW, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. WilliNet

    EIN 043253056 · Headquarters: Williamstown, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Willing Shepherds of Jesus Christ Incorporated

    EIN 200522081 · Headquarters: LAWRENCE, MA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Willis E Thorpe Parent Advisory Council

    EIN 882045560 · Headquarters: DANVERS, MA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  29. Willits Hallowell Center Inc

    EIN 042565823 · Headquarters: South Hadley, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Willmington High School Cross Country Track & Field Booster

    EIN 851923479 · Headquarters: Wilmington, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Willow Blossom Learning Center Inc

    EIN 042560554 · Headquarters: NORTH AMHERST, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Willow Creek Charitable Foundation U/a/d 01/11/2002

    EIN 100003568 · Headquarters: MARION, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  33. Willow Hill School Inc

    EIN 042469268 · Headquarters: SUDBURY, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Willow Street Foundation Inc

    EIN 455316417 · Headquarters: Raynham, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Willowood Extended Care Services Inc

    EIN 043480600 · Headquarters: Pittsfield, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Willowood of Great Barrington Inc

    EIN 042854118 · Headquarters: Pittsfield, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Willowood of North Adams Inc

    EIN 042893906 · Headquarters: Pittsfield, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Willowood of Williamstown Inc

    EIN 042893911 · Headquarters: Pittsfield, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Willpower Foundation Inc

    EIN 263076136 · Headquarters: Northampton, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Willsam Books A Charity For Kids By Kids Inc

    EIN 331540025 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Willys Kitty Angels Rescue Inc

    EIN 263359404 · Headquarters: NORTHBRIDGE, MA, USA · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  42. Wilmington Boys Travel Basketball Inc

    EIN 593790839 · Headquarters: Wilmington, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  43. Wilmington Community Fund Inc

    EIN 237162629 · Headquarters: WILMINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Wilmington Community Television Inc

    EIN 042969948 · Headquarters: WILMINGTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Wilmington Cricket Club Inc

    EIN 844454585 · Headquarters: Wilmington, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Wilmington Educational Foundation Inc

    EIN 043237574 · Headquarters: Wilmington, MA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. Wilmington Environmental Restorartion Committee

    EIN 261079077 · Headquarters: Wilmington, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Wilmington Family Counseling Service Inc

    EIN 042545712 · Headquarters: Wilmington, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Wilmington Farmers Market Association

    EIN 272854904 · Headquarters: Wilmington, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Wilmington Fourth of July Celebration Inc

    EIN 042722218 · Headquarters: WILMINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. Wilmington High Basketball Club

    EIN 822537568 · Headquarters: Wilmington, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Wilmington High School Face-off Club

    EIN 822858934 · Headquarters: Wilmington, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Wilmington High School Friends of Cheerleading

    EIN 823104797 · Headquarters: WILMINGTON, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Wilmington High School Friends of Field Hockey Inc

    EIN 820888908 · Headquarters: Wilmington, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Wilmington High School Lacrosse Booster Club

    EIN 473426127 · Headquarters: Wilmington, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Wilmington High School Pac Inc

    EIN 920704507 · Headquarters: WILMINGTON, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Wilmington High School Parent Advisory Committee Inc

    EIN 462664752 · Headquarters: Wilmington, MA, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  58. Wilmington High School Swim Team Boosters Inc

    EIN 392603239 · Headquarters: Wilmington, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Wilmington Hs Friends of Volleyball

    EIN 822840639 · Headquarters: Wilmington, MA, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  60. Wilmington Junior Camp Inc

    EIN 300168175 · Headquarters: Wilmington, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Wilmington Little League Inc

    EIN 046382721 · Headquarters: WILMINGTON, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Wilmington Middle School Parent Advisory Council Inc

    EIN 043359197 · Headquarters: WILMINGTON, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Wilmington Police Association Inc

    EIN 043298305 · Headquarters: WILMINGTON, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Wilmington Police Patrol Officers Union NEPBA

    EIN 043207443 · Headquarters: Wilmington, MA, USA · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  65. Wilmington School Business Partnership

    EIN 208489646 · Headquarters: Wilmington, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  66. Wilmington Tewksbury Chamber of Commerce Inc

    EIN 042776543 · Headquarters: WILMINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. Wilmington Youth Field Hockey

    EIN 934708941 · Headquarters: Wilmington, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Wilmington Youth Hockey Association Inc

    EIN 753196922 · Headquarters: WILMINGTON, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Wilmington Youth Lacrosse Association Inc

    EIN 383711143 · Headquarters: WILMINGTON, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Wilmington Youth Soccer Association Inc

    EIN 042761583 · Headquarters: Wilmington, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Wilshire Athletic Association

    EIN 237122076 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. Wilson Caruso Charitable Foundation

    EIN 046861522 · Headquarters: WESTWOOD, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  73. Wilson Family Foundation C/o Plante & Moran Pllc

    EIN 046773530 · Headquarters: WAKEFIELD, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  74. Wilson Middle School Pto Inc

    EIN 383841450 · Headquarters: Natick, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Wilson Tisdale Co & Oil Chemical Atomic Wkrs Internat'l Union

    EIN 042775726 · Headquarters: BOSTON, MA, USA · Employment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  76. Wilson-kindelan School Incorporated

    EIN 300859709 · Headquarters: Milton, MA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  77. Wilton Housing Inc C/o Weston Associates

    EIN 010357303 · Headquarters: BOSTON, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. Wilton Jewish Center-nefesh Yehudi

    EIN 020561811 · Headquarters: Vineyard Haven, MA, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  79. Win N Wish Inc

    EIN 413942450 · Headquarters: WALPOLE, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Win Place Show Live Another Life

    EIN 824848287 · Headquarters: Pittsfield, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Win the Day Foundation

    EIN 990705072 · Headquarters: PITTSFIELD, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Winch Homestead Association Inc

    EIN 222809819 · Headquarters: Framingham, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Winchendon Center for History and Culture Inc

    EIN 042400783 · Headquarters: WINCHENDON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Winchendon Community Action Committee

    EIN 042543492 · Headquarters: WINCHENDON, MA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  85. Winchendon Emt Ambulance Fund

    EIN 042738717 · Headquarters: Winchendon, MA, US · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  86. Winchendon Firefighters Relief Association Inc

    EIN 046001374 · Headquarters: Winchendon, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  87. Winchendon Health Foundation Inc

    EIN 042113276 · Headquarters: WINCHENDON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  88. Winchendon Little League

    EIN 043094960 · Headquarters: Winchendon, MA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  89. Winchendon Music Festival Inc

    EIN 830547929 · Headquarters: NEWTON HIGHLANDS, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. Winchendon Pop Warner

    EIN 352400237 · Headquarters: WINCHENDON, MA, USA · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  91. Winchendon Rod and Gun Club Inc

    EIN 042499116 · Headquarters: WINCHENDON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Winchendon Springs Lake Association Inc

    EIN 222544747 · Headquarters: Winchendon, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Winchendon Support Personnel Association Inc

    EIN 371604538 · Headquarters: WINCHENDON, MA, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Winchendon Winds Inc

    EIN 812349302 · Headquarters: Winchendon, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Winchendon Youth Baseball & Softball

    EIN 933381260 · Headquarters: Winchendon, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Winchester After School Program

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

  97. Winchester Alumni Association Inc

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

  98. Winchester Arms Collectors Association

    EIN 810370621 · Headquarters: Lakeville, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Winchester Basketball Association Inc

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

  100. Winchester Boat Club Inc

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

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