Nonprofits in Madison, Wisconsin

Nonprofits in Madison, Wisconsin. Browse 4,170 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. L0518wi Barron Co Wi Public Emps

    EIN 396075301 · Headquarters: Madison, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  2. L0864wi Racine Cnty Township Emps

    EIN 391937611 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  3. L0980wi Outagamie Co Inst Emp

    EIN 391820703 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  4. L1269wi Menasha Utilities Emp Union

    EIN 396075743 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  5. L1740wi Marquette Co Hwy Dept Em

    EIN 331208446 · Headquarters: MADISON, WI, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  6. L1749wi Sheboygan Co Wi Co Empls

    EIN 396107765 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. L1903wi Winnebago Co Hwy Dept Empl

    EIN 396126190 · Headquarters: MADISON, WI, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  8. L1972wi Prairie Du Chien City Empls

    EIN 391843263 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. L2003wi Rusk Co Public Empls

    EIN 396159371 · Headquarters: Madison, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  10. L2771wi Waupaca Co Ct Hum Svc Sheri

    EIN 391454747 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. La Farge Education Association

    EIN 237086022 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. La Leche League International Inc

    EIN 010564263 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  13. La Leche League International Inc

    EIN 202181656 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  14. La Leche League International Inc

    EIN 208803527 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  15. La Leche League International Inc

    EIN 391859281 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  16. La Leche League International Inc

    EIN 391983929 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  17. La Leche League International Inc

    EIN 391983935 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  18. La Leche League International Inc

    EIN 391983937 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  19. La Leche League International Inc

    EIN 391983959 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  20. La Leche League International Inc

    EIN 391983965 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  21. La Leche League International Inc

    EIN 391997202 · Headquarters: MADISON, WI, US · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  22. La Leche League International Inc

    EIN 392012523 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  23. La Leche League International Inc

    EIN 392020010 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  24. La Leche League of the United States of America

    EIN 364735918 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  25. La Leche League of the United States of America

    EIN 391317796 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  26. La Leche League of the United States of America

    EIN 450495105 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. La Societe De Femmes Cabane National Inc

    EIN 310940428 · Headquarters: Madison, WI, US · Public & Societal Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  28. Labor Management Cooperation Trust of Painters' & Allied Trades Dis Counc #7

    EIN 476723874 · Headquarters: MADISON, WI, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Laborers International Union of North America

    EIN 396076290 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. Lac Du Flambeau Education Association

    EIN 020637948 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Lacrosse Education Association

    EIN 391141780 · Headquarters: MADISON, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Lafarge Education Support Personnel

    EIN 262711017 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Lafayette County Farm Bureau

    EIN 390807964 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. Lafollette Booster Club Inc

    EIN 452647244 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Lafollette Hs Class of 1982

    EIN 883204856 · Headquarters: MADISON, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Laird Foundation for Historic Preservation Inc

    EIN 311610615 · Headquarters: MADISON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Lake Geneva Education Association

    EIN 237078918 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Lake Geneva Elementary Custodians

    EIN 263519698 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Lake Mills Education Association

    EIN 262691474 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Lake Mills Education Support Personnel Association

    EIN 460501463 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Lake Monona Sailing Club Inc

    EIN 237329346 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Lakeland Education Association

    EIN 412011740 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Lakeland Union High School Education Association

    EIN 371568535 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Lakeshore Education Association

    EIN 391675764 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Lakeview American Lutheran Church Cemetary

    EIN 396063391 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  46. Lancaster Education Association

    EIN 262710748 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Lancaster Education Support Personnel

    EIN 371568533 · Headquarters: MADISON, WI, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  48. Land Conservation Association Inc

    EIN 333899896 · Headquarters: MADISON, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Landing Strip

    EIN 391093538 · Headquarters: Madison, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Langlade County Farm Bureau Coop

    EIN 390824308 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Laona Education Association

    EIN 391492455 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Laona Education Support Personnel Association

    EIN 262771557 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Latino Academy of Workforce Development Inc

    EIN 872679293 · Headquarters: MADISON, WI, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Latino Chamber of Commerce of Dane County Inc

    EIN 261771853 · Headquarters: Madison, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Latinos Organizing for Understanding and Development Inc

    EIN 922733278 · Headquarters: MADISON, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Latinos United for College Education Scholarships

    EIN 452699928 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  57. Latinx Talk Inc

    EIN 334185823 · Headquarters: Madison, WI, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Lau & Bea Christensen Charitable Foundat

    EIN 208837127 · Headquarters: MADISON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  59. Lauterbach Scholarship Fund Tr 111123008300

    EIN 426470008 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  60. Law Alliance

    EIN 824223984 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  61. Law Forward Inc

    EIN 842803392 · Headquarters: MADISON, WI, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Law Librarians Association of Wisconsin Inc

    EIN 391652246 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Laxergirl Foundation Inc

    EIN 814359460 · Headquarters: MADISON, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Lazarus Liberation Inc

    EIN 473068910 · Headquarters: Madison, WI, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  65. Leading Change Inc

    EIN 471727677 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. League of Women Voters of Dane County Inc

    EIN 390892881 · Headquarters: Madison, WI, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. League of Women Voters of Wisconsin Advocacy Network Inc

    EIN 390713765 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. League of Women Voters of Wisconsin Inc

    EIN 237016104 · Headquarters: Madison, WI, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. League of Women Voters of Wisconsin Inc

    EIN 391609121 · Headquarters: MADISON, WI, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Learning Is Fun International Inc

    EIN 320026867 · Headquarters: Madison, WI, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Legacy Softball

    EIN 934473141 · Headquarters: Madison, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Legal Association for Women

    EIN 391666111 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Legal Mentor Network

    EIN 872270924 · Headquarters: MADISON, WI, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Lemonspark Incorporated

    EIN 262131915 · Headquarters: Madison, WI, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  75. Lena Education Association

    EIN 262690612 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Leo Program Inc

    EIN 874653141 · Headquarters: Madison, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Leonardo Academy Inc

    EIN 391881853 · Headquarters: Madison, WI, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  78. Lewis Family Foundation Inc

    EIN 810906170 · Headquarters: MADISON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  79. Lewiston Outing Club

    EIN 396076177 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Lgbt Books to Prisoners

    EIN 473843527 · Headquarters: Madison, WI, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Liberian Assistance Program Inc

    EIN 320264545 · Headquarters: Madison, WI, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Liberty Tree Foundation for the Democratic Revolut

    EIN 201813170 · Headquarters: MADISON, WI, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2016 · Primary form: IRS Form 990

  83. Life World Reconnect Inc

    EIN 471908980 · Headquarters: Madison, WI, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Lighthouse Church Madison Inc

    EIN 391603836 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  85. Lighthouse Education Foundation Inc

    EIN 993992385 · Headquarters: MADISON, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Lilys Fund for Epilepsy Research Inc

    EIN 474537130 · Headquarters: Madison, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Lincoln County Farm Bureau Cooperative

    EIN 390875264 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Linga Foundation Inc

    EIN 474009439 · Headquarters: MADISON, WI, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Link Friendship House Ltd

    EIN 391618483 · Headquarters: MADISON, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Links Inc

    EIN 521556385 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Lions Eyebank of Wisconsin Inc

    EIN 391929709 · Headquarters: MADISON, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Literacy Network

    EIN 510180488 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Little Chute Education Association

    EIN 237093758 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Little Feet Foundation Inc C/o John Suby

    EIN 811020355 · Headquarters: MADISON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  95. Living in Community Inc

    EIN 412172808 · Headquarters: MADISON, WI, USA · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  96. Living Our Visions Inc Dba Lov Inc

    EIN 273289163 · Headquarters: MADISON, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Local 311 Charities Inc

    EIN 391933376 · Headquarters: MADISON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Local Sounds

    EIN 510609595 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  99. Local Union 159 of the International Brotherhood of Electrical Workers

    EIN 390367818 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Lodi Educational Support Association

    EIN 391955578 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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