Nonprofits in Wisconsin

Nonprofits in Wisconsin. Browse 46,682 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. Wildlife Horizons Inc

    EIN 391721304 · Headquarters: Racine, WI, US · Animal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  2. Wildlife in Need Center Ltd

    EIN 391773974 · Headquarters: OCONOMOWOC, WI, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Wildlife Rehabilitation and Release Inc

    EIN 273380777 · Headquarters: COLFAX, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Wildlife Restoration Association Inc

    EIN 391562513 · Headquarters: LADYSMITH, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. Wildwood Bluff Estates Association Inc

    EIN 874577251 · Headquarters: Poynette, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Wildwood Foundation Inc

    EIN 450529784 · Headquarters: BROOKFIELD, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. Wildwood Park Zoological Society Inc of Marshfield Wisconsin

    EIN 237359790 · Headquarters: MARSHFIELD, WI, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Wildwood Productions Inc

    EIN 201904185 · Headquarters: APPLETON, WI, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  9. Wilfred and Adeline Schroeder Scholarship Trust

    EIN 204812390 · Headquarters: WONEWOC, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Wilhelm Tell Community Guild

    EIN 237223762 · Headquarters: New Glarus, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  11. Wilhelmine Cemetery Association

    EIN 821810488 · Headquarters: Stoughton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Wilhelms Family Foundation Inc

    EIN 810820227 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  13. Wilken-harding Educational Foundation

    EIN 396054147 · Headquarters: ELM GROVE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. Wilkey Family Foundation Inc

    EIN 470983698 · Headquarters: Hartland, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  15. Will Family Foundation Inc

    EIN 391950401 · Headquarters: WATERTOWN, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  16. Will Ross Memorial Foundation Inc R70839007

    EIN 396044673 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  17. Willa Brown Aviation Academy Inc

    EIN 861575808 · Headquarters: Middleton, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Willard Historical Society

    EIN 392018876 · Headquarters: WILLARD, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Willett Foundation Inc

    EIN 204509139 · Headquarters: Brookfield, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  20. William & Beverly Sieg Family Foundation

    EIN 391738344 · Headquarters: BRUCE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  21. William & Evelyn Vander Galien Family Foundation Inc

    EIN 202982845 · Headquarters: FRIESLAND, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  22. William & Lorraine Meylor Family Farm Preservation

    EIN 990690722 · Headquarters: Mount Horeb, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. William & Marion Clifton Bhs Scholarship Trust Fund

    EIN 277026388 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  24. William & Marion Clifton Cchs Scholarship Trust Fund

    EIN 277026389 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  25. William & Ruth Pendleton Memorial Fund Us Bank National Association

    EIN 742475483 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. William & Sandy Heitz Family Foundation

    EIN 391799844 · Headquarters: MEQUON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  27. William & Susan Matheson Foundation Inc

    EIN 823801384 · Headquarters: DE PERE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  28. William a and Grace D Boettcher Foundation Inc

    EIN 611502743 · Headquarters: PORT WASHINGTON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  29. William a Holland Trust B R65660004

    EIN 366972029 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  30. William a Ketterer and Paul a Ketterer Foundation Inc

    EIN 391968282 · Headquarters: MUKWONAGO, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. 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

  32. William and Janita Smith Foundation

    EIN 463730108 · Headquarters: BURLINGTON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  33. William and Mae Brown Scholarship Fd

    EIN 396427719 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  34. William and Sandra Haack Family Foundation Inc

    EIN 271525501 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  35. William B Tufts Trust C

    EIN 396396758 · Headquarters: WISCONSIN RAPIDS, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  36. William Bartlett Test Tr

    EIN 396673414 · Headquarters: MILWAUKEE, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  37. William Bassett Foundation

    EIN 391989695 · Headquarters: HOLMEN, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  38. William D Connor Educational Fund

    EIN 396062183 · Headquarters: MARSHFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  39. William D'arcy Trust

    EIN 436020347 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  40. William Davis Trust

    EIN 426056780 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  41. William E Mcelroy Charitable Foundation

    EIN 376306920 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  42. William Eisner Foundation

    EIN 237054795 · Headquarters: GREENDALE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-PF

  43. William F Eisner Museum of Advertising & Design Inc

    EIN 200749769 · Headquarters: Hales Corners, WI, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  44. William F Vilas Trust Estate

    EIN 390678406 · Headquarters: OREGON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. William Friede Tr

    EIN 396705882 · Headquarters: Reedsburg, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. William G and Betty Schuett Family Foundation Inc

    EIN 391892757 · Headquarters: MEQUON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-PF

  47. William G Hatch Charitable Trust

    EIN 396404214 · Headquarters: NECEDAH, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. William G Mc Collough Trust

    EIN 346528380 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  49. William H and Elsie Natzke Foundation

    EIN 391456427 · Headquarters: Merrill, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  50. William H Phipps Foundation

    EIN 396043312 · Headquarters: HUDSON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  51. William J Cronin Foundation

    EIN 930782568 · Headquarters: JANESVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  52. William N and Janice V Godfrey Family Foundation Trust

    EIN 466173383 · Headquarters: MEQUON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  53. William N Wise Fbo Soldiers & Sailors

    EIN 166015236 · Headquarters: MILWAUKEE, WI, USA · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990

  54. William O'boy Charitable Trust

    EIN 066363700 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2009 · Primary form: IRS Form 990-PF

  55. William P Bomar Jr Testamentary Trust R77023001

    EIN 756104147 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990

  56. William P Schmeisser Memorial Fund

    EIN 571154933 · Headquarters: Lake Mills, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. William Scott Stuart Jr Family Foundation

    EIN 470772674 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  58. William Stark Jones Foundation Katherine W Lambert Co-trustee

    EIN 396786974 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  59. William T Evjue Charitable Trust

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

  60. Williams Bay Athletic Booster Club Inc

    EIN 272024531 · Headquarters: Williams Bay, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Williams Bay Cultural Art Alliance

    EIN 463523213 · Headquarters: Williams Bay, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Williams Bay Education Association

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

  63. Williams Bay Historical Society Inc

    EIN 463705485 · Headquarters: Williams Bay, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Williams Bay School Parent Teacher Organization Inc

    EIN 208184002 · Headquarters: Williams Bay, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Williams Bay Soccer Association

    EIN 391849328 · Headquarters: Williams Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  66. Williams Bay Womens Civic League Inc

    EIN 391462824 · Headquarters: Williams Bay, WI, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Williams Family Foundation Inc

    EIN 391865458 · Headquarters: JANESVILLE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  68. Williams House of Hope Incorporated

    EIN 991206182 · Headquarters: ANTIGO, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. 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

  70. Willie D Davis Scholarship Fund Inc

    EIN 391795877 · Headquarters: Menomonee Falls, WI, USA · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  71. Willis Chapel Post 306 American Legion

    EIN 396108423 · Headquarters: GREEN LAKE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Willo Housing Corporation

    EIN 391584731 · Headquarters: WEST ALLIS, WI, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Willow Aces Incorporated

    EIN 391688255 · Headquarters: Poynette, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Willow Brook Haven Inc

    EIN 814362754 · Headquarters: MEQUON, WI, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Willow Community Foundation Inc

    EIN 391706802 · Headquarters: RICHLAND CENTER, WI, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  76. Willow Creek Ranch Inc

    EIN 260607719 · Headquarters: MUKWONAGO, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Willow Hill Riding Club

    EIN 391633748 · Headquarters: FREDONIA, WI, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  78. Willow Region Sportsmens Club Inc

    EIN 396069918 · Headquarters: Tripoli, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Willow River Eagles 4-H Club

    EIN 922228066 · Headquarters: Baldwin, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Willow River Junior Golf Foundation

    EIN 208802356 · Headquarters: New Richmond, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Willow River Parents Group

    EIN 900662538 · Headquarters: Hudson, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Willow River Players Inc

    EIN 391862071 · Headquarters: New Richmond, WI, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  83. Willow River Rod & Gun Club

    EIN 391356595 · Headquarters: NEW RICHMOND, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Willowdale Auxiliary

    EIN 391453716 · Headquarters: New Holstein, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  85. Willows Christian Child Care Center Inc

    EIN 391758911 · Headquarters: Iron Ridge, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. Willpproject Brianne Massman

    EIN 863223073 · Headquarters: Alma Center, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Willy Street Park Society Incorporated

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

  88. Willys Rescue Inc

    EIN 834520551 · Headquarters: PHILLIPS, WI, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. Wilmot Band Parents Association

    EIN 391331405 · Headquarters: Wilmot, WI, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  90. Wilmot Grade School Education Foundation Inc

    EIN 810598489 · Headquarters: TREVOR, WI, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  91. Wilmot Jr Panthers Wrestling Club Inc

    EIN 991199816 · Headquarters: Burlington, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Wilmot Panther Softball Club

    EIN 393297233 · Headquarters: TWIN LAKES, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Wilmot School Employees Association

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

  94. Wilmot Shooting Team Inc

    EIN 753229791 · Headquarters: Burlington, WI, USA · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  95. Wilmot Ski Team Inc

    EIN 931344188 · Headquarters: RHINELANDER, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Wilmot Teachers Association

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

  97. Wilson and Carol Trueblood Pac Inc

    EIN 200625615 · Headquarters: WASHINGTON ISLAND, WI, USA · Crime & Legal Related · Latest available filing year: 2023 · Primary form: IRS Form 990

  98. Wilson Elementary Pto

    EIN 237162788 · Headquarters: SHEBOYGAN, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Wilson Elementary School Pto

    EIN 743176400 · Headquarters: MEQUON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Wilson Family Foundation Inc

    EIN 391656189 · Headquarters: BROOKFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

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