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. Knights Templar of the United States of America

    EIN 237152633 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Knights Templar of the United States of America

    EIN 237154452 · Headquarters: BROCKTON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Knights Templar of the United States of America

    EIN 237157380 · Headquarters: Gloucester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Knights Templar of the United States of America

    EIN 237164222 · Headquarters: SALEM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Knights Templar of the United States of America

    EIN 237167065 · Headquarters: MILFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Knights Templar of the United States of America

    EIN 237167330 · Headquarters: Weymouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Knights Templar of the United States of America

    EIN 237619470 · Headquarters: Gloucester, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  8. Knights Templar of the United States of America

    EIN 273121752 · Headquarters: Centerville, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Knightsandladiesofkaleva

    EIN 046148555 · Headquarters: LANCASTER, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  10. Knollmere Beach Association

    EIN 237425670 · Headquarters: Fairhaven, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Knollwood Cemetery

    EIN 042060551 · Headquarters: CANTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Knowledge Base Inc

    EIN 462614825 · Headquarters: EASTHAMPTON, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  13. Knowledge Exchange Network Manipur

    EIN 473502884 · Headquarters: Shrewsbury, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Knowlton Foundation for the Elderly Inc

    EIN 046060834 · Headquarters: GARDNER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  15. Ko Theater Works Inc

    EIN 043124727 · Headquarters: Belchertown, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Kollel of Greater Boston Inc

    EIN 042932859 · Headquarters: BRIGHTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Korean Society of Criminology in America

    EIN 852697470 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Korean War Veterans Association of Western Massachusetts Chapter 2000

    EIN 043554890 · Headquarters: Chicopee, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  19. Korean Youth Cultural Outreach ATTI

    EIN 464117371 · Headquarters: Newtonville, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  20. Kowloon Charities Inc

    EIN 262618997 · Headquarters: SAUGUS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. Kp Youth Lacrosse Inc

    EIN 834714199 · Headquarters: Norfolk, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  22. Krieger Charitable Trust Fka Cecilia L Krieger Trust

    EIN 226374448 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  23. Kripalu Center for Yoga & Health

    EIN 231718197 · Headquarters: Stockbridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Kristina Mahoney Memorial Foundation Inc

    EIN 852823506 · Headquarters: Scituate, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Kuo Min Tang of Boston Inc

    EIN 043192669 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Kurt P Shannon Memorial Scholarship Fund

    EIN 453305318 · Headquarters: Milton, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  27. Kurzman Family Charitable Foundation

    EIN 043204363 · Headquarters: NEWTON CENTRE, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  28. Kurzweil Foundation Inc

    EIN 042921512 · Headquarters: Needham Heights, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  29. Kuwait-american Friends of Islamic Art and Culture Inc

    EIN 043404069 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  30. Kwong Kow Chinese School Inc

    EIN 042720327 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. L Dexter Woodman Family Foundation Inc

    EIN 222925975 · Headquarters: ESSEX, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  32. L Donald Phillips and Dorothy G Phillips Foundation

    EIN 046650414 · Headquarters: NEWBURYPORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  33. L Street Running Club

    EIN 043140039 · Headquarters: BROCKTON, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  34. L'Arche Boston North Inc

    EIN 042774177 · Headquarters: Haverhill, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. La Leche League International Inc

    EIN 042623010 · Headquarters: Kingston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. La Leche League International Inc

    EIN 042921891 · Headquarters: Topsfield, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  37. La Leche League International Inc

    EIN 222533468 · Headquarters: Methuen, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. La Leche League International Inc

    EIN 800367945 · Headquarters: Kingston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. La Leche League of the United States of America

    EIN 834587053 · Headquarters: ANDOVER, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. La Respectable Loge Les Fils De La Veuve No 18

    EIN 271634112 · Headquarters: Randolph, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  41. La Societe Historique Franco- Americaine Ltd

    EIN 042864959 · Headquarters: Lowell, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  42. Labor Assistance Professionals of Massachusetts

    EIN 476314585 · Headquarters: MARSHFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  43. Labor for Bernie 2020

    EIN 842099030 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Laboreres International Union of North America Local 1249

    EIN 237105715 · Headquarters: Buzzards Bay, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. Laborers Employers Association

    EIN 993266784 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Laborers Internat'l Union 473

    EIN 042077198 · Headquarters: PITTSFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. Laborers International Union of 596 Hcl

    EIN 042108519 · Headquarters: HOLYOKE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Laborers International Union of N America Local 1144

    EIN 237116478 · Headquarters: EAST TAUNTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Laborers International Union of Na Local 39

    EIN 041900032 · Headquarters: FITCHBURG, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Laborers International Union of NA Local 609

    EIN 041839442 · Headquarters: Framingham, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  51. Laborers International Union of North America

    EIN 041280635 · Headquarters: Taunton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Laborers International Union of North America

    EIN 237013139 · Headquarters: Natick, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Laborers International Union of North America - Local #223

    EIN 041472465 · Headquarters: DORCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Laborers International Union of North America 1139 Local Union

    EIN 237450159 · Headquarters: BRIDGEWATER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Laborers International Union of North America 1156

    EIN 237055939 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Laborers International Union of North America Local 1060

    EIN 043298056 · Headquarters: NANTUCKET, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Laborers International Union of North America Local 151

    EIN 041692697 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Laborers International Union of North America Local 429

    EIN 041338411 · Headquarters: Hopkinton, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. Laborers International Union of North America Union Local #610

    EIN 041839446 · Headquarters: Fall River, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. Laborers Internatl Union of North America 22 Local Union 22

    EIN 041472460 · Headquarters: MALDEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Laborers Intl Union Local 380

    EIN 043520087 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Laborers' Inter'l Union - Local 243

    EIN 042114410 · Headquarters: AUBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Laborers' International Union of Ma Local 88

    EIN 041280658 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Laborers' International Union of Na 138 Hcl

    EIN 042207386 · Headquarters: NORWOOD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Laborers' International Union of Na Local 133

    EIN 041691903 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Laborers' International Union of Na Local 721

    EIN 041821912 · Headquarters: EAST BRIDGEWATER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. Laborers' International Union of North America - Local Union No560

    EIN 041472475 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Laborers' International Union of North America 381 Local Union

    EIN 043505289 · Headquarters: SOMERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. Laborers' Pension - Burlington Investment Corp

    EIN 043249480 · Headquarters: BURLINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Laboure College of Healthcare Inc

    EIN 042134818 · Headquarters: MILTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Labrador Retriever Club of the Pioneer Valley Inc

    EIN 061469450 · Headquarters: MIDDLEFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Ladies Aux Fleet Reserve Assoc South Shore Unit 66

    EIN 800638987 · Headquarters: Medford, MA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  73. Ladies Auxiliary Fleet Reserve Association Unit 31

    EIN 872765862 · Headquarters: North Easton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Ladies Auxiliary Millbury Fire Department Corp

    EIN 900186411 · Headquarters: Millbury, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Ladies Auxiliary of Fleet Reserve Assoc Quonset Davisville Unit 42

    EIN 510160537 · Headquarters: North Easton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Ladies Auxiliary Unit 315

    EIN 465040778 · Headquarters: Dracut, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  77. Ladies of Kaleva

    EIN 046064272 · Headquarters: Maynard, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Ladies Oriental Shrine of North America Inc

    EIN 043059663 · Headquarters: Feeding hills, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Ladies Oriental Shrine of North America Inc

    EIN 237589693 · Headquarters: west groton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Ladies' Garment Workers' Center Inc

    EIN 042055306 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Ladyfest Mv Inc Co Ted Gavin

    EIN 863880109 · Headquarters: CHILMARK, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Lafayette-durfee Historical Foundation Inc

    EIN 237338100 · Headquarters: FALL RIVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Lake George Association of Wales Inc

    EIN 042995541 · Headquarters: Wales, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Lake Grove Cemetery Association

    EIN 042202470 · Headquarters: Holliston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. Lake Maspenock Preservation Assoc

    EIN 043167346 · Headquarters: Hopkinton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Lake Rohunta Beach Association Inc

    EIN 043050822 · Headquarters: Athol, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Lake Talquin Community Radio Corporation

    EIN 261549218 · Headquarters: RANDOLPH, MA, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  88. Lake Wickaboag Preservation Assn

    EIN 043094727 · Headquarters: West Brookfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Lakeside Cemetery Corporation

    EIN 046111873 · Headquarters: WAKEFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Lakeview Cemetery Corp

    EIN 041519940 · Headquarters: Scituate, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Lakeview Pavilion Charitable Foundation

    EIN 043116285 · Headquarters: Foxborough, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  92. Lakeville Historical Society Inc

    EIN 237124084 · Headquarters: Lakeville, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Lakewood Homeowners Association

    EIN 042932981 · Headquarters: MASHPEE, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Lakewood Tennis Club

    EIN 042486592 · Headquarters: NEWTON HIGHLANDS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Lambda Chi Alpha Fraternity Inc

    EIN 042555294 · Headquarters: Worcester, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Lambda Chi Alpha Fraternity Inc

    EIN 043114091 · Headquarters: Canton, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  97. Lambda Zeta Associates Inc

    EIN 043238433 · Headquarters: LEXINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Lambda Zeta of Lambda Chi Alpha Inc

    EIN 042106848 · Headquarters: Lexington, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Lance Corporal Bradley J Campus Scholarship Fund

    EIN 884216286 · Headquarters: LYNN, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  100. Lander-Grinspoon Academy Solomon Schechter Day School

    EIN 043304825 · Headquarters: Northampton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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