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. L Street Running Club

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

  2. L&b 1775 Eye Street Llc C/o Aew Capital Management Lp

    EIN 752726855 · Headquarters: BOSTON, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2015 · Primary form: IRS Form 990

  3. L'Arche Boston North Inc

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

  4. L9 Soccer Center Corporation

    EIN 332609278 · Headquarters: Shrewsbury, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. La Alianza Hispana Inc

    EIN 237121158 · Headquarters: BOSTON, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. La Casa De Esthersy

    EIN 821097877 · Headquarters: LAWRENCE, MA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. La Clinica Inc

    EIN 871509037 · Headquarters: SALEM, MA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. La Colaborativa

    EIN 222906521 · Headquarters: Chelsea, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. La Comunidad Inc

    EIN 043470866 · Headquarters: EVERETT, MA, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990

  10. La Conscience Haitienne

    EIN 852653504 · Headquarters: Cambridge, MA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  11. La Donna Musicale Inc

    EIN 043198788 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. La Esperanza Housing & Development-casas De La Esperanza

    EIN 205144367 · Headquarters: Natick, MA, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. La Esperanza the Hope of the Pioneer Valley Inc

    EIN 272760538 · Headquarters: Northampton, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  14. La Leche League International

    EIN 042788207 · Headquarters: S Easton, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  15. La Leche League International

    EIN 042797717 · Headquarters: Concord, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  16. La Leche League International Inc

    EIN 030306153 · Headquarters: Dartmouth, MA, US · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  17. La Leche League International Inc

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

  18. La Leche League International Inc

    EIN 042636979 · Headquarters: Fitchburg, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  19. La Leche League International Inc

    EIN 042653000 · Headquarters: Salem, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  20. La Leche League International Inc

    EIN 042821760 · Headquarters: Medfield, MA, US · Health Care · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  21. La Leche League International Inc

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

  22. La Leche League International Inc

    EIN 042952880 · Headquarters: Roslindale, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  23. La Leche League International Inc

    EIN 042965686 · Headquarters: Lynnfield, MA, US · Health Care · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  24. La Leche League International Inc

    EIN 042984699 · Headquarters: Florence, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  25. La Leche League International Inc

    EIN 043045822 · Headquarters: Belchertown, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  26. La Leche League International Inc

    EIN 043072655 · Headquarters: Orleans, MA, US · Health Care · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  27. La Leche League International Inc

    EIN 043156468 · Headquarters: Milton, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  28. La Leche League International Inc

    EIN 043178763 · Headquarters: Pittsfield, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  29. La Leche League International Inc

    EIN 043183563 · Headquarters: N Andover, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  30. La Leche League International Inc

    EIN 043193692 · Headquarters: Acton, MA, US · Health Care · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  31. La Leche League International Inc

    EIN 043308746 · Headquarters: Hopkinton, MA, US · Health Care · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  32. La Leche League International Inc

    EIN 043318359 · Headquarters: Southborough, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  33. La Leche League International Inc

    EIN 043389284 · Headquarters: Arlington, MA, US · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  34. La Leche League International Inc

    EIN 043391962 · Headquarters: Stow, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  35. La Leche League International Inc

    EIN 043476030 · Headquarters: Haverhill, MA, US · Health Care · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  36. La Leche League International Inc

    EIN 043505713 · Headquarters: E Longmeadow, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  37. La Leche League International Inc

    EIN 043540499 · Headquarters: Dartmouth, MA, US · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  38. La Leche League International Inc

    EIN 043546990 · Headquarters: Sheffield, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  39. La Leche League International Inc

    EIN 043552606 · Headquarters: Holden, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  40. La Leche League International Inc

    EIN 043553385 · Headquarters: Sturbridge, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  41. La Leche League International Inc

    EIN 043559339 · Headquarters: Hopkinton, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  42. La Leche League International Inc

    EIN 050438566 · Headquarters: Somerset, MA, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  43. La Leche League International Inc

    EIN 050488514 · Headquarters: Somerset, MA, US · Health Care · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  44. La Leche League International Inc

    EIN 203517424 · Headquarters: Danvers, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  45. La Leche League International Inc

    EIN 222485283 · Headquarters: Carlisle, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  46. La Leche League International Inc

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

  47. La Leche League International Inc

    EIN 222544810 · Headquarters: Scituate, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  48. La Leche League International Inc

    EIN 270009474 · Headquarters: Wakefield, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  49. La Leche League International Inc

    EIN 352166539 · Headquarters: Belchertown, MA, US · Health Care · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  50. La Leche League International Inc

    EIN 510586745 · Headquarters: Newburyport, MA, US · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  51. La Leche League International Inc

    EIN 542081988 · Headquarters: W Roxbury, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  52. La Leche League International Inc

    EIN 542143068 · Headquarters: Kingston, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  53. La Leche League International Inc

    EIN 651234486 · Headquarters: Nantucket, MA, US · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  54. La Leche League International Inc

    EIN 651287522 · Headquarters: Quincy, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  55. La Leche League International Inc

    EIN 743174056 · Headquarters: Templeton, MA, US · Health Care · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  56. La Leche League International Inc

    EIN 753051986 · Headquarters: New Bedford, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  57. La Leche League International Inc

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

  58. La Leche League of Lexington Massachusetts League of Ma-ri-vt

    EIN 043680146 · Headquarters: Lexington, MA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  59. 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

  60. La Marina Wildlife Rescue Center Foundation

    EIN 271963972 · Headquarters: Marblehead, MA, USA · Animal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-PF

  61. La Oportunidad Foundation

    EIN 843165478 · Headquarters: CHESTNUT HILL, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  62. 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

  63. La Rosa De Saron Inc

    EIN 931765605 · Headquarters: HOLYOKE, MA, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. La Societe De Femmes Cabane National Inc

    EIN 042611728 · Headquarters: Dartmouth, MA, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  65. La Societe De Femmes Cabane National Inc

    EIN 310940372 · Headquarters: New Bedford, MA, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. La Societe De Femmes Cabane National Inc

    EIN 310940377 · Headquarters: Royalston, MA, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  67. La Societe De Femmes Cabane National Inc

    EIN 310940440 · Headquarters: New Bedford, MA, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. 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

  69. La Vida Inc

    EIN 043396256 · Headquarters: LYNN, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Lab-x Foundation Inc

    EIN 472201621 · Headquarters: BOSTON, MA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Labalaba Health Inc

    EIN 412292027 · Headquarters: S Weymouth, MA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. LabCentral

    EIN 461031913 · Headquarters: CAMBRIDGE, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Laberia Association of Worcester County

    EIN 020757441 · Headquarters: Worcester, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Labond Ministries

    EIN 814966815 · Headquarters: Canton, MA, US · Religion Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  75. Labor Advantage for Workers Law Inc

    EIN 043405528 · Headquarters: Westport, MA, US · Employment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  76. Labor and Employment Relations Association Boston Chapter

    EIN 273578020 · Headquarters: West Roxbury, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Labor Assistance Professionals of Massachusetts

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

  78. Labor for Bernie 2020

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

  79. Labor on the Line Inc

    EIN 992480406 · Headquarters: Cambridge, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Labor Union Networking Inc

    EIN 921146706 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Laboratory Robotics Interest Group- New England Inc

    EIN 352261629 · Headquarters: SUDBURY, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. 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

  83. Laborers Employers Association

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

  84. Laborers Internat'l Union 473

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

  85. Laborers International Local 1421

    EIN 041338627 · Headquarters: Tewksbury, MA, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. Laborers International Union 1285 of North America

    EIN 046143910 · Headquarters: Cambridge, MA, USA · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  87. Laborers International Union of 596 Hcl

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

  88. 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

  89. 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

  90. 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

  91. Laborers International Union of North America

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

  92. 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

  93. 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

  94. 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

  95. 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

  96. 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

  97. 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

  98. 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

  99. 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

  100. 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

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