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. Wisconsin Muslim Civic Foundation

    EIN 992818231 · Headquarters: FRANKLIN, WI, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. Wisconsin Myalgic Encephalomyelitis Chronic Fatigue Syndrome Assoc Inc

    EIN 391614649 · Headquarters: sun prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  3. Wisconsin Mycological Society Inc

    EIN 464724142 · Headquarters: ELM GROVE, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Wisconsin Narcotics Officers Association Inc

    EIN 830435687 · Headquarters: MANITOWOC, WI, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Wisconsin National Barrel Horse Association Inc

    EIN 455227677 · Headquarters: Larsen, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. Wisconsin National Board Network Inc

    EIN 260844792 · Headquarters: Milwaukee, WI, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  7. Wisconsin National Guard Association Inc

    EIN 391501131 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Wisconsin National Guard Enlisted Association Inc

    EIN 391394959 · Headquarters: MADISON, WI, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Wisconsin National Guard Foundation Inc

    EIN 863562606 · Headquarters: Madison, WI, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Wisconsin National Guard Memorial Library and Museum Inc

    EIN 391682462 · Headquarters: Camp Douglas, WI, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  11. Wisconsin Native Loan Fund Inc

    EIN 432116172 · Headquarters: LAC DU FLAMBEAU, WI, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Wisconsin Nature Action Collaborative for Children

    EIN 811102000 · Headquarters: Waukesha, WI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  13. Wisconsin Naturopathic Doctors Association Inc

    EIN 201810056 · Headquarters: MADISON, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Wisconsin Naval Academy Parents Association Inc

    EIN 753225966 · Headquarters: MENOMONEE FALLS, WI, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Wisconsin Naval Ship Association Inc

    EIN 392013526 · Headquarters: SHEBOYGAN, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990

  16. Wisconsin Nazarene Compassionate Center

    EIN 391825335 · Headquarters: SUSSEX, WI, US · Housing & Shelter · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  17. Wisconsin Necaibew Joint Apprenticeship and Training Trust Agreement

    EIN 391777755 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Wisconsin Network for Peace and Justice

    EIN 391722546 · Headquarters: Madison, WI, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Wisconsin Neurological Society

    EIN 391642832 · Headquarters: KIMBERLY, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Wisconsin Newfoundland Club Inc

    EIN 270056822 · Headquarters: Stoughton, WI, US · Animal Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  21. Wisconsin Newspaper Association Foundation Inc

    EIN 391356972 · Headquarters: MADISON, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Wisconsin Newspaper Association Inc

    EIN 390715140 · Headquarters: MADISON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. Wisconsin Nfa Shooters Inc

    EIN 421537368 · Headquarters: Fall River, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Wisconsin Nicaragua Partners of the Americas Inc

    EIN 396099827 · Headquarters: STEVENS POINT, WI, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Wisconsin Nonprofits Association Inc

    EIN 260167995 · Headquarters: Milwaukee, WI, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  26. Wisconsin Nordic Network Inc

    EIN 391967207 · Headquarters: Lisbon, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Wisconsin Nordic Ski League

    EIN 853190829 · Headquarters: Madison, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Wisconsin Nordic Sports Foundation Inc

    EIN 391315664 · Headquarters: Madison, WI, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  29. Wisconsin Northern Highland Ahec Inc

    EIN 473324526 · Headquarters: RHINELANDER, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Wisconsin Northern Light Via Decristo Inc

    EIN 320266998 · Headquarters: Tomahawk, WI, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Wisconsin Northern Lights Wits

    EIN 391931189 · Headquarters: Menomonie, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  32. Wisconsin Northwest Heritage Passage

    EIN 611425502 · Headquarters: SPOONER, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Wisconsin Nursery and Landscape Association Inc

    EIN 391522857 · Headquarters: Janesville, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. Wisconsin Nursery and Landscape Association South East Inc

    EIN 471056275 · Headquarters: MILWAUKEE, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  35. Wisconsin Nurses Association Incorporated

    EIN 390716168 · Headquarters: STOUGHTON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Wisconsin Nurses Honor Guard Inc

    EIN 833374568 · Headquarters: WAUKESHA, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Wisconsin Nursing Home Social Workers Association Inc

    EIN 391472146 · Headquarters: APPLETON, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  38. Wisconsin Obesity Coalition Inc

    EIN 261653956 · Headquarters: Neenah, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  39. Wisconsin Occupational Therapy Association

    EIN 237152493 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Wisconsin Odd Fellow-rebekah Museum Inc

    EIN 391649450 · Headquarters: Green Bay, WI, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  41. Wisconsin Off Highway Motorcycle Association

    EIN 263876521 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Wisconsin Off Road Bicycling Association Inc

    EIN 392026043 · Headquarters: Milwaukee, WI, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  43. Wisconsin Off-highway Vehicle Association

    EIN 421669467 · Headquarters: Fond du Lac, WI, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  44. Wisconsin Off-road Vehicle Park Inc

    EIN 454083568 · Headquarters: CRANDON, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  45. Wisconsin on Stage

    EIN 990653689 · Headquarters: Beaver Dam, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Wisconsin Onsite Water Recycling Association Inc

    EIN 391514070 · Headquarters: GERMANTOWN, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Wisconsin Operating Engineers Skill Improvement and Apprenticeship Fund

    EIN 391102559 · Headquarters: PEWAUKEE, WI, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Wisconsin Operation Lifesaver Inc

    EIN 391799364 · Headquarters: Appleton, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Wisconsin Opportunity Coalition Inc

    EIN 824943049 · Headquarters: FITCHBURG, WI, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Wisconsin Optometric Association

    EIN 390840526 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Wisconsin Orchestra Camps Foundation Inc

    EIN 993667047 · Headquarters: BROOKFIELD, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Wisconsin Orchid Society Inc

    EIN 391290835 · Headquarters: MILWAUKEE, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Wisconsin Organization of Asian Americans

    EIN 391787396 · Headquarters: MILWAUKEE, WI, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  54. Wisconsin Organization of Nurse Leaders Inc

    EIN 391540018 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Wisconsin Organized Retail Crime Association Inc

    EIN 872720788 · Headquarters: Sun Prairie, WI, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Wisconsin Orthopaedic Society Badger Bay Management

    EIN 391526850 · Headquarters: KIMBERLY, WI, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Wisconsin Outdoor Festival Inc

    EIN 473476309 · Headquarters: Oshkosh, WI, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  58. Wisconsin Outlawz Fastpitch Inc

    EIN 834015912 · Headquarters: LAKE MILLS, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Wisconsin Ovarian Cancer Alliance Inc

    EIN 392028938 · Headquarters: NEW BERLIN, WI, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Wisconsin Paint and Coatings Assoc

    EIN 391350330 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Wisconsin Paint Horse Club Inc

    EIN 882492923 · Headquarters: Fort Atkinson, WI, US · Food, Agriculture & Nutrition · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. Wisconsin Paper Council

    EIN 390823750 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Wisconsin Paraoptometric Association Inc

    EIN 391302517 · Headquarters: Lake Tomahawk, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Wisconsin Parents Association Incorporated

    EIN 391712706 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Wisconsin Parents Coalition for the Retarded Inc

    EIN 391563806 · Headquarters: Hartford, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Wisconsin Park & Recreation Assoc Foundation Inc

    EIN 391558704 · Headquarters: Milwaukee, WI, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Wisconsin Park and Recreation Association Incorporated

    EIN 237110350 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Wisconsin Parkinson Association Inc

    EIN 391492810 · Headquarters: BROOKFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Wisconsin Partners Inc

    EIN 821419578 · Headquarters: Sauk City, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Wisconsin Pay Telephone Assoc Inc

    EIN 391849923 · Headquarters: BROOKFIELD, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  71. Wisconsin Peer Alliance for Nurses

    EIN 872754414 · Headquarters: Hales Corners, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Wisconsin Peo Sisterhood Help Fund Inc

    EIN 396083741 · Headquarters: PLATTEVILLE, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. Wisconsin Peony Society Ltd

    EIN 474837148 · Headquarters: Eau Claire, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Wisconsin Perfusion Society

    EIN 391759901 · Headquarters: Big Bend, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Wisconsin Pest Control Association Incorporated

    EIN 391530326 · Headquarters: MILWAUKEE, WI, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Wisconsin Pharmacy Foundation Inc

    EIN 391817686 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Wisconsin Phenological Society Inc

    EIN 391268941 · Headquarters: Shorewood, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Wisconsin Philanthropy Network Inc

    EIN 396236498 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Wisconsin Physical Therapy Fund

    EIN 237447372 · Headquarters: MCFARLAND, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Wisconsin Pickleball Club Inc

    EIN 920803643 · Headquarters: Madison, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Wisconsin Pinto Horse Association

    EIN 823953561 · Headquarters: Lake Mills, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Wisconsin Pipe Trades Association

    EIN 391606922 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Wisconsin Pipe Trades Health Fund

    EIN 390852117 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Wisconsin Police Executive Group Incorporated

    EIN 842727209 · Headquarters: Wausau, WI, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Wisconsin Police Leadership Foundation Inc

    EIN 391807356 · Headquarters: POPLAR, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Wisconsin Policy Forum Inc

    EIN 390806182 · Headquarters: MILWAUKEE, WI, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Wisconsin Political Science Association Inc

    EIN 237110033 · Headquarters: La Crosse, WI, US · Social Science · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  88. Wisconsin Polka Boosters Inc

    EIN 391149593 · Headquarters: Wauwatosa, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. Wisconsin Pork Association Cooperative

    EIN 391095331 · Headquarters: LANCASTER, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Wisconsin Positive Youth Development

    EIN 391445840 · Headquarters: Two Rivers, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  91. Wisconsin Potato & Vegetable Growers Association Inc

    EIN 390777398 · Headquarters: ANTIGO, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Wisconsin Potato and Vegetable Research Foundation Inc

    EIN 204614234 · Headquarters: Antigo, WI, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Wisconsin Potato Growers Auxiliary Inc

    EIN 391410749 · Headquarters: ANTIGO, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Wisconsin Potato Industry Board Inc

    EIN 391652200 · Headquarters: ANTIGO, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Wisconsin Pottery Assn

    EIN 391782062 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Wisconsin Power & Light Non-Bargaining Employee Health and Welfare Benefit Trust

    EIN 391409013 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Wisconsin Ppo Association Inc

    EIN 391984157 · Headquarters: MADISON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  98. Wisconsin Precast Concrete Association Inc

    EIN 391692115 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  99. Wisconsin Precision Metalworking Council Inc

    EIN 810578439 · Headquarters: Richfield, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  100. Wisconsin Premier Baseball Organization Inc

    EIN 272762635 · Headquarters: MADISON, WI, USA · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990

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