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. Winnebagoland Uniserv Building Corp

    EIN 391588498 · Headquarters: BARABOO, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  2. Winneconne Area Assistance Center

    EIN 392016888 · Headquarters: WINNECONNE, WI, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Winneconne Area Education Foundation Inc

    EIN 411918303 · Headquarters: Winneconne, WI, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  4. Winneconne Area United Fund Inc

    EIN 396104889 · Headquarters: WINNECONNE, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  5. Winneconne Booster Club

    EIN 391830761 · Headquarters: Winneconne, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  6. Winneconne Chamber of Commerce

    EIN 390922147 · Headquarters: WINNECONNE, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Winneconne Combined Fire Department Auxiliary

    EIN 391709530 · Headquarters: Winneconne, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  8. Winneconne Community Development Authority

    EIN 391995816 · Headquarters: WINNECONNE, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. Winneconne Community Education Association

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

  10. Winneconne Fastbreak Club Inc

    EIN 932348043 · Headquarters: Winneconne, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  11. Winneconne Historical Society Inc

    EIN 237435537 · Headquarters: Winneconne, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Winneconne Hoops Club

    EIN 464157258 · Headquarters: Winneconne, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  13. Winneconne Nursery School Inc

    EIN 391167468 · Headquarters: OSHKOSH, WI, USA · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  14. Winneconne Pta

    EIN 391727530 · Headquarters: Winneconne, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Winneconne Road Runners

    EIN 814808220 · Headquarters: OSHKOSH, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Winneconne Robotics Club Inc

    EIN 850882914 · Headquarters: WINNECONNE, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Winneconne Soccer Booster Club

    EIN 842233337 · Headquarters: Winneconne, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Winneconne Thrift & Gift Inc

    EIN 461761576 · Headquarters: WINNECONNE, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. Winneconne Youth Archery Inc

    EIN 881108077 · Headquarters: Winneconne, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Winneconne Youth Diamond Club Inc

    EIN 271886125 · Headquarters: WINNECONNE, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Winneconne Youth Rugby Inc

    EIN 861935572 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Winneconne Youth Wrestling Inc

    EIN 831249497 · Headquarters: LARSEN, WI, US · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. Winnegamie Dog Club Inc

    EIN 396054692 · Headquarters: APPLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Winnegamie Home Builders Association Inc

    EIN 391670906 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Winnequah Gun Club

    EIN 391141273 · Headquarters: LODI, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Winners Chapel International Madison

    EIN 334078579 · Headquarters: Waunakee, WI, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Winners Circle Lions Club

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

  28. Winners Edge Skating Academy Inc

    EIN 261668951 · Headquarters: spooner, WI, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  29. Winners Way Inc

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

  30. Winnifred P Clark Trust Uw

    EIN 426352800 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  31. Winona Archers Inc

    EIN 461680171 · Headquarters: FOUNTAIN CITY, WI, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. Winrs for Christ Ministry Inc

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

  33. Winstep Forward Inc

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

  34. Winstons Wishes

    EIN 815449036 · Headquarters: Janesville, WI, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Winter Area Business Development Commission Inc

    EIN 261647554 · Headquarters: WINTER, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Winter Area Tourist Information Center Inc

    EIN 391510827 · Headquarters: Winter, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Winter Field Day Association

    EIN 882829647 · Headquarters: Pepin, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Winter Fun Inc

    EIN 391506369 · Headquarters: Shorewood, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  39. Winter Huskies Snowmobile Club Inc

    EIN 843014688 · Headquarters: WINTER, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Winter Lakes Alliance Inc

    EIN 030461944 · Headquarters: Winter, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Winter Miracle Splash Corp

    EIN 823354372 · Headquarters: Whitelaw, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Winter Park Recreation Association Inc

    EIN 391567392 · Headquarters: Kewaunee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Winter Pathways Charter School Inc

    EIN 270797468 · Headquarters: Winter, WI, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  44. Winter Wheat Fdn Mgmt Agcy

    EIN 061762880 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. Winterhaven Apartments Inc

    EIN 043757307 · Headquarters: Superior, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Wintersweet Foundation Inc

    EIN 202406262 · Headquarters: BRISTOL, WI, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  47. Winther Earl a Tw R79692001 0482053500

    EIN 866113044 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  48. Wipfli Foundation Inc

    EIN 202901635 · Headquarters: WAUSAU, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  49. Wirehaired Pointing Griffon Club of the Midwest Inc

    EIN 991860584 · Headquarters: Pulaski, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Wis Assoc of Workers Compensation A

    EIN 392024001 · Headquarters: SPARTA, WI, US · Crime & Legal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  51. Wis Chapter Internatl Assoc Arson Investigators Inc

    EIN 391676808 · Headquarters: South Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Wis Midrange Computer Prof Assn Inc C/o Peter Langhammer

    EIN 391612489 · Headquarters: MUSKEGO, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Wis Valley Sno Jets Inc

    EIN 391513444 · Headquarters: Wausau, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Wisarp - Madison Area Chapter

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

  55. Wisarp - Milwaukee Area Chapter

    EIN 900070539 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Wisc Assoc of Home Inspectors Inc

    EIN 391970882 · Headquarters: PORT WASHINGTON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Wisc Laborers-employers Co-op & Ed Trust

    EIN 391705116 · Headquarters: DEFOREST, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Wisc Volleyball Coaches Assoc

    EIN 934222760 · Headquarters: Wrightstown, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Wisc Warriors Inc

    EIN 464784688 · Headquarters: Bay City, WI, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  60. Wiscnet

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

  61. Wisco Chaarg

    EIN 862035953 · Headquarters: Verona, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  62. Wisco Project Inc

    EIN 991060522 · Headquarters: SHOREWOOD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Wisconcin Society of the Sons of the American Revolution Inc

    EIN 396084230 · Headquarters: waunakee, WI, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  64. Wisconisn Law Enforcement Education Advocates Association Inc

    EIN 460888224 · Headquarters: Kenosha, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Wisconn Valley Revitalization Corporation

    EIN 844825271 · Headquarters: RACINE, WI, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Wisconservation Trail Riders

    EIN 260219679 · Headquarters: De Pere, WI, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  67. Wisconsibs Inc

    EIN 391942794 · Headquarters: APPLETON, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. 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

  69. Wisconsin 1752 Club

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

  70. Wisconsin 2 Per Cent Residential Property Tax Solution Inc

    EIN 391670660 · Headquarters: Milwaukee, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  71. Wisconsin 4-H Foundation Inc

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

  72. Wisconsin 4-H Horse Assn Inc

    EIN 391735489 · Headquarters: FOX LAKE, WI, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Wisconsin Abstinence Coalition Inc

    EIN 391905022 · Headquarters: Mequon, WI, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  74. Wisconsin Academic Advising Association

    EIN 391935481 · Headquarters: Wauwatosa, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Wisconsin Academic Decathlon Foundation Inc

    EIN 391860126 · Headquarters: GREEN BAY, WI, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990

  76. Wisconsin Academic Visions for Education Inc

    EIN 871891632 · Headquarters: Amery, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. 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

  78. Wisconsin Academy Foundation Incorporated

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

  79. Wisconsin Academy of Anesthesiologist Assistants Inc

    EIN 061800594 · Headquarters: Wauwatosa, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Wisconsin Academy of Audiology Inc

    EIN 934555639 · Headquarters: Fitchburg, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Wisconsin Academy of Family Physicians Foundation Inc C/o Premier Choice

    EIN 930831288 · Headquarters: THIENSVILLE, WI, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Wisconsin Academy of Global Education and Training

    EIN 462575578 · Headquarters: MILWAUKEE, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. Wisconsin Academy of Nutrition and Dietetics Inc

    EIN 237032400 · Headquarters: KIMBERLY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Wisconsin Academy of Ophthalmology

    EIN 391482016 · Headquarters: KIMBERLY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Wisconsin Academy of Physician Assistants Foundation

    EIN 391682563 · Headquarters: GREENFIELD, WI, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  86. 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

  87. 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

  88. Wisconsin Active Threat Training Association Inc

    EIN 332389234 · Headquarters: Slinger, WI, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. Wisconsin Adaptive Sports Associati

    EIN 391881287 · Headquarters: BROOKFIELD, WI, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Wisconsin Adopt a Golden Retriever Inc

    EIN 562480842 · Headquarters: BROOKFIELD, WI, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Wisconsin Adult Day Care Association Inc

    EIN 391456506 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Wisconsin Adventures on Wheels Inc

    EIN 811591581 · Headquarters: Chippewa Falls, WI, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  93. Wisconsin Advertising Publishers Association Inc

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

  94. Wisconsin Affirmative Action and Equal Opportunity Professionals In

    EIN 391378023 · Headquarters: Milwaukee, WI, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  95. Wisconsin African Community Advocate Inc

    EIN 832191702 · Headquarters: WAUWATOSA, WI, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  96. Wisconsin Afterschool Association Inc

    EIN 311703467 · Headquarters: milwaukee, WI, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  97. Wisconsin Agri-business Association Inc

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

  98. 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

  99. Wisconsin Agri-business Foundation

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

  100. 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

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