Unknown & Unclassified nonprofits in Massachusetts

Unknown & Unclassified nonprofits in Massachusetts. Browse 12,299 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. Western Mass Fsc

    EIN 273018927 · Headquarters: West Springfield, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  2. Western Mass Homeschoolers

    EIN 461372956 · Headquarters: Westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  3. Western Mass Intergroup

    EIN 042587506 · Headquarters: HOLYOKE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Western Mass Youth Soccer Assoc Inc

    EIN 260765642 · Headquarters: BELCHERTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990

  5. Western Massachusetts a T V Association Inc

    EIN 043248251 · Headquarters: Dalton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Western Massachusetts Area Labor Federation

    EIN 832217686 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. Western Massachusetts Association of the Deaf/hearing Impaired Inc

    EIN 042811136 · Headquarters: Chicopee, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Western Massachusetts Avaition Association Inc

    EIN 043222700 · Headquarters: East Longmeadow, MA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  9. Western Massachusetts Bridge Association Inc

    EIN 237110096 · Headquarters: EASTHAMPTON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Western Massachusetts Catholic Homeschoolers

    EIN 262935928 · Headquarters: Chicopee, MA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  11. Western Massachusetts Chiefs of Police Association Inc

    EIN 237353860 · Headquarters: FEEDING HILLS, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Western Massachusetts Counselors Association

    EIN 300707489 · Headquarters: LONGMEADOW, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  13. Western Massachusetts Directors of Special Education Inc

    EIN 475656384 · Headquarters: Sheffield, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  14. Western Massachusetts Emergency Medical Services Committee Inc

    EIN 042658109 · Headquarters: NORTHAMPTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Western Massachusetts Genealogical Society

    EIN 272863507 · Headquarters: West Springfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Western Massachusetts Health Information Consortia

    EIN 260098089 · Headquarters: Pittsfield, MA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  17. Western Massachusetts Library Advocates Incorporated

    EIN 611459688 · Headquarters: Easthampton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Western Massachusetts Model a Ford Restorers Club

    EIN 222900370 · Headquarters: Ware, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Western Massachusetts Public Utilities Council

    EIN 043132751 · Headquarters: Westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Western Massachusetts Safety and Fire Education Association Inc

    EIN 451557087 · Headquarters: Northampton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Western Massachusetts Waterworks Association

    EIN 902106389 · Headquarters: Westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Western New England Law Review Asso Inc Western New England College

    EIN 042656631 · Headquarters: SPRINGFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  23. Western Norfolk County Bar Association

    EIN 043508927 · Headquarters: Wrentham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Western Soup Society C/o James Stevens

    EIN 237398475 · Headquarters: WALPOLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  25. Westfield 100 Lions Club Inc

    EIN 853899321 · Headquarters: LONGMEADOW, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  26. Westfield Chamber of Commerce Inc

    EIN 042266528 · Headquarters: WESTFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Westfield Pickleball Inc

    EIN 863486391 · Headquarters: Westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Westfield Police Union Local 574

    EIN 043538379 · Headquarters: westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  29. Westfield Post 124 the American Legion Inc

    EIN 042081163 · Headquarters: WESTFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Westfield River Watershed Association

    EIN 042196466 · Headquarters: Westfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Westfield Sons of Erin Inc

    EIN 042673003 · Headquarters: WESTFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Westfield Taxpayers Association Inc

    EIN 851794597 · Headquarters: Westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. Westfield Wrestling Booster Club

    EIN 263927631 · Headquarters: Westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  34. Westford Ambulance Fund Inc

    EIN 042622649 · Headquarters: WESTFORD, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Westford Business Association

    EIN 471481108 · Headquarters: Westford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Westford Conservation Trust Inc

    EIN 222582947 · Headquarters: Westford, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Westford Firefighters House Fund

    EIN 990898727 · Headquarters: Westford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Westford Garden Club

    EIN 042749806 · Headquarters: WESTFORD, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Westford Historical Society Inc

    EIN 510172216 · Headquarters: WESTFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Westford Police Association

    EIN 222999444 · Headquarters: Westford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Westford Police Superior Officers Association

    EIN 043483147 · Headquarters: WESTFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Westford Slow Pitch Softball

    EIN 412240331 · Headquarters: Westford, MA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  43. Westford Sportmen's Club Inc

    EIN 042443981 · Headquarters: WESTFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Westgate Church

    EIN 042583018 · Headquarters: WESTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T

  45. Westmass Area Development Corporation

    EIN 046057343 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Westminster Historical Society Inc

    EIN 042740271 · Headquarters: WESTMINSTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Westminster Police Association

    EIN 222578363 · Headquarters: Westminster, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Weston Community Children's Association Inc

    EIN 046464953 · Headquarters: WESTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Weston Dog Training Club Inc

    EIN 043215359 · Headquarters: Watertown, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  50. Weston Historical Society Inc

    EIN 046074640 · Headquarters: Weston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Weston Interfaith Action Group Tr

    EIN 226499244 · Headquarters: Weston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Weston Parent Teachers Organization Inc

    EIN 042658459 · Headquarters: WESTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Weston Scouts Inc C/o Timothy Gavin

    EIN 046064943 · Headquarters: WESTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Weston Youth Field Hockey Inc

    EIN 394798038 · Headquarters: Weston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Weston-wayland Open Spring Horse Show Inc

    EIN 043190116 · Headquarters: FRAMINGHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  56. Westover Metropolitan Development Corp

    EIN 042553520 · Headquarters: Chicopee, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Westport Art Group Inc

    EIN 237282020 · Headquarters: Westport Point, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Westport Historical Society Inc

    EIN 237270158 · Headquarters: WESTPORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  59. Westport Yacht Club Inc

    EIN 042262143 · Headquarters: WESTPORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. Westwood Community Chest

    EIN 200542258 · Headquarters: Westwood, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Westwood Community in Action Inc

    EIN 043028451 · Headquarters: WESTWOOD, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Westwood Gun Club Inc

    EIN 046126171 · Headquarters: MEDFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Westwood Historical Society Inc

    EIN 046138357 · Headquarters: WESTWOOD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Westwood Little League

    EIN 042635272 · Headquarters: WESTWOOD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Westwood Masonic Building Association Inc

    EIN 237389970 · Headquarters: Westwood, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Westwood Nursery School Inc

    EIN 042374499 · Headquarters: WESTWOOD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Westwood Performing Arts Inc

    EIN 462447609 · Headquarters: Westwood, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Westwood Police Association

    EIN 510175740 · Headquarters: Westwood, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. Weymouth Council for the Hungry Inc

    EIN 043099272 · Headquarters: EAST WEYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Weymouth Heights Club Inc

    EIN 046149577 · Headquarters: EAST WEYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Weymouth Historical Society

    EIN 237041846 · Headquarters: WEYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Weymouth Junior Basketball League

    EIN 042795241 · Headquarters: South Weymouth, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Weymouth Music Boosters Association Inc

    EIN 510171471 · Headquarters: SOUTH WEYMOUTH, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Weymouth Teachers Association Inc

    EIN 046193962 · Headquarters: SOUTH WEYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Weymouth Youth Hockey Inc

    EIN 042637667 · Headquarters: EAST WEYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Weymouth Youth Soccer Inc

    EIN 042906015 · Headquarters: WEYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Weymouth-braintree Lodge of Elks No 2232 Inc

    EIN 042380948 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Wgam Junior Scholarship Fund Inc C/o Jeanne-marie Boylan

    EIN 042899822 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  79. Whaling City Little Baseball League

    EIN 046193035 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Wharton Club of Boston

    EIN 042688820 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. What Matters-most Women & Childrens Ministries

    EIN 270919296 · Headquarters: Avon, MA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  82. Wheaton College Class of 2009

    EIN 464455814 · Headquarters: Norton, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  83. Wheeler Recreation Area Inc

    EIN 042309168 · Headquarters: ACTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Wheels of Time of Massachusetts

    EIN 043300904 · Headquarters: WEST BRIDGEWATER, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Wheelwright Scientific School

    EIN 046004390 · Headquarters: Newburyport, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. Whelden Memorial Library

    EIN 042545204 · Headquarters: WEST BARNSTABLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Whip City Memorial

    EIN 046111522 · Headquarters: Westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  88. White Eagle Association of Worcester

    EIN 041966305 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. White Island Pond Conservation Alli Ance Inc

    EIN 422997654 · Headquarters: E Wareham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. White Oak Land Conservation Society Inc

    EIN 042647259 · Headquarters: HOLDEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. White Plains Ski Club Inc

    EIN 136219871 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. White Pond Associates of Athol

    EIN 043024153 · Headquarters: Athol, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Whitinsville Christian School

    EIN 046004402 · Headquarters: Whitinsville, MA, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Whitinsville Fish & Game Club Inc

    EIN 042887800 · Headquarters: DOUGLAS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Whitinsville Golf Club

    EIN 041969540 · Headquarters: WHITINSVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  96. Whitinsville Retirement Society Inc

    EIN 042573978 · Headquarters: WHITINSVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Whitinsville Social Library

    EIN 046059729 · Headquarters: WHITINSVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Whitman Baseball-softball Assoc

    EIN 426617740 · Headquarters: WHITMAN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Whitman Heat Baseball Team

    EIN 822176495 · Headquarters: WHITMAN, MA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  100. Whittemore Improvement Association

    EIN 270959511 · Headquarters: Saugus, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

First page and all pages