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. Wild Rose Educational Support Personnel Association

    EIN 391744402 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Wildcats Gridiron Club

    EIN 272690774 · Headquarters: Madison, WI, US · Youth Development · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  3. Wildlife Exotic and Zoo Animal Medicine Club

    EIN 391868564 · Headquarters: Madison, WI, US · Animal Related · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  4. William a Linton Charitable Foundation

    EIN 352602257 · Headquarters: MADISON, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. William T Evjue Charitable Trust

    EIN 237129606 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  6. Williams Bay Education Association

    EIN 237101972 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Williamson Marquette Business Alliance Inc

    EIN 393272053 · Headquarters: Madison, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Willy Street Park Society Incorporated

    EIN 391617437 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Wilmot School Employees Association

    EIN 611478661 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Wilmot Teachers Association

    EIN 237090914 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Wingra Rowing Regetta Inc

    EIN 391924556 · Headquarters: MADISON, WI, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  12. Wingra School Inc

    EIN 237206931 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Winnebago County Farm Bureau Cooperative

    EIN 390744628 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Winnebagoland Uniserv

    EIN 391199892 · Headquarters: MADISON, WI, USA · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990

  15. Winneconne Community Education Association

    EIN 237102804 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Winners Circle Lions Club

    EIN 812035668 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  17. Winners Way Inc

    EIN 830351438 · Headquarters: MADISON, WI, US · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  18. Winrs for Christ Ministry Inc

    EIN 391814893 · Headquarters: Madison, WI, US · Religion Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  19. Winstep Forward Inc

    EIN 463858327 · Headquarters: Madison, WI, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Wisarp - Madison Area Chapter

    EIN 391708554 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Wiscnet

    EIN 391705442 · Headquarters: MADISON, WI, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Wisconsin - Upper Michigan Bridge Association Inc

    EIN 260290138 · Headquarters: MADISON, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Wisconsin 1752 Club

    EIN 471250668 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  24. Wisconsin 4-H Foundation Inc

    EIN 390914868 · Headquarters: MADISON, WI, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Wisconsin Academy for Graduate Service Dogs Inc

    EIN 391626569 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Wisconsin Academy Foundation Incorporated

    EIN 391681809 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Wisconsin Academy of Sciences Arts and Letters

    EIN 391054856 · Headquarters: MADISON, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Wisconsin Access to Justice Commission

    EIN 272910321 · Headquarters: MADISON, WI, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Wisconsin Advertising Publishers Association Inc

    EIN 391330101 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Wisconsin Agri-business Association Inc

    EIN 396075604 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Wisconsin Agri-business Council In

    EIN 391143408 · Headquarters: MADISON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  32. Wisconsin Agri-business Foundation

    EIN 391639599 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  33. Wisconsin Agricultural & Life Sciences Alumni Association Inc

    EIN 237346450 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. Wisconsin Agro-security Resource Network Inc

    EIN 263416338 · Headquarters: Madison, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  35. Wisconsin Ahead

    EIN 412247707 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Wisconsin Ai Safety Initiative Ltd

    EIN 333551921 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Wisconsin Alliance for Arts Education Incorporated

    EIN 510178238 · Headquarters: Madison, WI, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  38. Wisconsin Alliance for Excellent Schools Inc

    EIN 061824467 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Wisconsin Alliance for Fire Safety Inc

    EIN 391703736 · Headquarters: MADISON, WI, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2014 · Primary form: IRS Form 990

  40. Wisconsin Alliance of Financial Service Centers Inc

    EIN 391940807 · Headquarters: MADISON, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  41. Wisconsin Alumni Association Inc

    EIN 237125279 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2013 · Primary form: IRS Form 990

  42. Wisconsin Alumni Research Foundation

    EIN 390833612 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Wisconsin Amusement & Music Operators Inc

    EIN 391385729 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Wisconsin Aquatics Association Inc

    EIN 392008651 · Headquarters: Madison, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Wisconsin Archaeological Survey Inc

    EIN 237401838 · Headquarters: Madison, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Wisconsin Architects Foundationinc

    EIN 396044700 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Wisconsin Asbestos Victims Network Inc

    EIN 462937404 · Headquarters: MADISON, WI, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  48. Wisconsin Asphalt Pavement Association

    EIN 390917131 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. Wisconsin Assisted Living Association Inc

    EIN 391822247 · Headquarters: MADISON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Wisconsin Assoc

    EIN 237128800 · Headquarters: Madison, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  51. Wisconsin Assoc for Marriage Family

    EIN 391456163 · Headquarters: MADISON, WI, USA · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  52. Wisconsin Assoc of School District Admin Veba Trust

    EIN 464069950 · Headquarters: MADISON, WI, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Wisconsin Association for Justice Inc

    EIN 391258229 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Wisconsin Association for the Treatment of Sexual Abusers Inc

    EIN 542115324 · Headquarters: Madison, WI, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Wisconsin Association of Chi Psi

    EIN 390736833 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Wisconsin Association of Criminal Defense Lawyers - Student Chapter

    EIN 453803224 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  57. Wisconsin Association of Disability Examiners Inc

    EIN 473669529 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  58. Wisconsin Association of Dv Interve Ntion Professionals Inc

    EIN 395136074 · Headquarters: MADISON, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Wisconsin Association of Family and Children's Agencies Inc

    EIN 391359709 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Wisconsin Association of Family Career and Community Leaders of America Inc

    EIN 396076431 · Headquarters: MADISON, WI, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Wisconsin Association of Ffa Incorporated

    EIN 396096332 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Wisconsin Association of Health Plans Inc

    EIN 391499957 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Wisconsin Association of Health Underwriters Foundation Inc

    EIN 800061707 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  64. Wisconsin Association of Homes and Services for the Aging Inc

    EIN 391174667 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Wisconsin Association of Homes for Aging & Education Corp

    EIN 237448555 · Headquarters: MADISON, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Wisconsin Association of Independent Colleges and Universities Inc

    EIN 391039417 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Wisconsin Association of International Educators Inc

    EIN 474573465 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Wisconsin Association of Lakes Inc

    EIN 391926001 · Headquarters: MADISON, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Wisconsin Association of School Business Officials Foundation Inc

    EIN 391874804 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Wisconsin Association of School Business Officials Inc

    EIN 391761773 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Wisconsin Association of School District Administrators Inc

    EIN 391501805 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Wisconsin Association of Self-help

    EIN 391280521 · Headquarters: MADISON, WI, USA · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  73. Wisconsin Association on Alcohol And

    EIN 237030190 · Headquarters: MADISON, WI, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2010 · Primary form: IRS Form 990

  74. Wisconsin Association USA Track & Field Inc

    EIN 391774579 · Headquarters: MADISON, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Wisconsin Automobile & Truck Dealers Association

    EIN 391099259 · Headquarters: Madison, WI, United States · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  76. Wisconsin Automobile and Truck Dealers Association Inc

    EIN 390711650 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. Wisconsin Automotive Care Association

    EIN 390566262 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  78. Wisconsin Automotive Parts Association Inc

    EIN 390986706 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  79. Wisconsin Back Society Inc

    EIN 391769183 · Headquarters: Madison, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  80. Wisconsin Bankers Association

    EIN 390711690 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Wisconsin Bankers Foundation Inc

    EIN 463791061 · Headquarters: MADISON, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Wisconsin Baroque Ensemble Inc

    EIN 464295252 · Headquarters: Madison, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Wisconsin Beer Distributors Association C/o the Kammer Group

    EIN 390717538 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Wisconsin Beta Sigma Phi Epsilon Corporation

    EIN 271541742 · Headquarters: MADISON, WI, USA · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990

  85. Wisconsin Beverage Association

    EIN 396077446 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. Wisconsin Biofuels Association Inc

    EIN 473681908 · Headquarters: Madison, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. Wisconsin Biomass Energy Coalition Inc

    EIN 834066514 · Headquarters: MADISON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Wisconsin Bisexual Pansexual Speakers Bureau

    EIN 471923368 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  89. Wisconsin Broadcasters Association Inc

    EIN 396123891 · Headquarters: MADISON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Wisconsin Broadcasters Foundation

    EIN 391651812 · Headquarters: Madison, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Wisconsin Builders Foundation Inc

    EIN 391967443 · Headquarters: MADISON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Wisconsin Builders' Association

    EIN 391043234 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Wisconsin Building Trades Council

    EIN 824933413 · Headquarters: MADISON, WI, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Wisconsin Business Alliance Inc

    EIN 460752987 · Headquarters: MADISON, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  95. Wisconsin Business Foundation Inc

    EIN 462002289 · Headquarters: MADISON, WI, US · Food, Agriculture & Nutrition · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  96. Wisconsin Cable Communications Association Inc

    EIN 391323678 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  97. Wisconsin Care Collective

    EIN 393133683 · Headquarters: MADISON, WI, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Wisconsin Center for Education Products and Services Inc

    EIN 273813061 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Wisconsin Center for Employee Ownership

    EIN 880787886 · Headquarters: Madison, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Wisconsin Center for Manufacturing & Productivity

    EIN 391786653 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

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