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 Inmate Education Association Inc

    EIN 814141938 · Headquarters: BROOKFIELD, WI, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Wisconsin Innovation Academy Inc

    EIN 853865051 · Headquarters: Wauwatosa, WI, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990

  3. Wisconsin Innovation Awards Inc

    EIN 464564367 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Wisconsin Innovation Network Foundation Inc

    EIN 391582063 · Headquarters: Madison, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  5. Wisconsin Inspire Cooperative Inc

    EIN 822241821 · Headquarters: MADISON, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Wisconsin Institute for Healthy Aging Inc

    EIN 273001041 · Headquarters: MADISON, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Wisconsin Institute for Immune and Cell Therapy Inc

    EIN 871500208 · Headquarters: MADISON, WI, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Wisconsin Institute for International Legal Programs

    EIN 391444850 · Headquarters: MIDDLETON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Wisconsin Institute for Law & Liberty

    EIN 451606079 · Headquarters: MILWAUKEE, WI, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Wisconsin Institute for Leadership Inc

    EIN 261564468 · Headquarters: Eau Claire, WI, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  11. Wisconsin Institute for Learning Disabilites Dyslexia Inc

    EIN 202362776 · Headquarters: Madison, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Wisconsin Institute for Peace and Conflict Studies Inc

    EIN 800293873 · Headquarters: Stevens Point, WI, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Wisconsin Institute of Certified Public Accountants Inc

    EIN 237108098 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Wisconsin Institute of Certified Public Accountants' Educational Foundationinc

    EIN 237109897 · Headquarters: WAUKESHA, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Wisconsin Institute of Nutrition Research Foundation Inc

    EIN 453981704 · Headquarters: GLENDALE, WI, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  16. Wisconsin Insulation Advancement Fund Inc

    EIN 391311175 · Headquarters: OCONOMOWOC, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Wisconsin Insulation Contractors Association Inc

    EIN 391311101 · Headquarters: DELAFIELD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Wisconsin Insurance Alliance

    EIN 390714210 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Wisconsin Insurance Plan

    EIN 391125929 · Headquarters: SOUTH MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Wisconsin Integration Network (WIN)

    EIN 871831363 · Headquarters: Madison, WI, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  21. Wisconsin Interfaith Committee on Latin America Inc

    EIN 391593304 · Headquarters: Madison, WI, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Wisconsin Interfaith Impact Inc

    EIN 392036680 · Headquarters: Madison, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  23. Wisconsin Interfaith Needs Response Inc

    EIN 391923713 · Headquarters: OSHKOSH, WI, USA · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  24. Wisconsin Interfaith Power and Light Inc

    EIN 201278745 · Headquarters: Madison, WI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  25. Wisconsin Intergenerational Orchestra Inc

    EIN 475585163 · Headquarters: WAUWATOSA, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Wisconsin International School Ltd

    EIN 261216406 · Headquarters: DE PERE, WI, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990

  27. Wisconsin International Youth Soccer Club Inc

    EIN 461982560 · Headquarters: SHEBOYGAN FALLS, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Wisconsin Interprofessional Committee on Divorce Inc

    EIN 391829102 · Headquarters: STURTEVANT, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Wisconsin Interscholastic Athletic Assoc

    EIN 390886387 · Headquarters: STEVENS POINT, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Wisconsin Interscholastic Athletic Association Foundation Inc

    EIN 334191200 · Headquarters: Stevens Point, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Wisconsin Interscholastic Cycling League

    EIN 880713181 · Headquarters: OAK CREEK, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Wisconsin Interscholastic Fishing Association

    EIN 475163324 · Headquarters: NEW HOLSTEIN, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Wisconsin Interscholastic Horsemanship Association

    EIN 900517150 · Headquarters: HELENVILLE, WI, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  34. Wisconsin Interstate Network Inc

    EIN 471037670 · Headquarters: Poynette, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Wisconsin Intramural Recreational Sports Association

    EIN 392016084 · Headquarters: Madison, WI, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. Wisconsin Iris Society

    EIN 396098034 · Headquarters: Mequon, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Wisconsin Jaguars Ltd

    EIN 391803403 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  38. Wisconsin Jail Association Inc

    EIN 391718503 · Headquarters: Shawano, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Wisconsin Jaycees Inc

    EIN 237013495 · Headquarters: Middleton, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  40. Wisconsin Jaycees Inc

    EIN 237265265 · Headquarters: La Crosse, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  41. Wisconsin Jaycees Inc

    EIN 391263703 · Headquarters: REEDSBURG, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Wisconsin Jaycees Inc

    EIN 391323817 · Headquarters: Madison, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  43. Wisconsin Jaycees Inc

    EIN 391348448 · Headquarters: Eau Claire, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  44. Wisconsin Jaycees Inc

    EIN 391456968 · Headquarters: Platteville, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  45. Wisconsin Jaycees Inc

    EIN 391591651 · Headquarters: Milwaukee, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  46. Wisconsin Jaycees Inc

    EIN 391593545 · Headquarters: Casco, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  47. Wisconsin Jaycees Inc

    EIN 391951720 · Headquarters: Beloit, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  48. Wisconsin Jaycees Inc

    EIN 930745095 · Headquarters: Edgar, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  49. Wisconsin Jersey Breeders Association

    EIN 391679380 · Headquarters: LODI, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Wisconsin Jets Youth Hockey Club

    EIN 471317433 · Headquarters: KENOSHA, WI, USA · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  51. Wisconsin Jigsaw Puzzle Association Inc

    EIN 333628575 · Headquarters: Fitchburg, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Wisconsin Jobs Alliance Inc

    EIN 813942620 · Headquarters: MIDDLETON, WI, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Wisconsin Jobs Now

    EIN 452043069 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990

  54. Wisconsin Jobs Partnership Inc

    EIN 472019343 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  55. Wisconsin Journalism Education Association

    EIN 845192385 · Headquarters: Fond du Lac, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. Wisconsin Judicare Inc

    EIN 391170880 · Headquarters: WAUSAU, WI, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Wisconsin Judo Inc

    EIN 371499956 · Headquarters: Fox Lake, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Wisconsin Junior Alpine Racing Association Inc

    EIN 421363537 · Headquarters: Madison, WI, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. Wisconsin Junior Angus Association

    EIN 272063515 · Headquarters: East Troy, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  60. Wisconsin Junior Classical League

    EIN 391589376 · Headquarters: MEQUON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Wisconsin Junior Polled Hereford Association

    EIN 260083180 · Headquarters: DARLINGTON, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Wisconsin Juniors Volleyball Club

    EIN 391974917 · Headquarters: Salem, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Wisconsin Justice Initiative Action Inc

    EIN 814704112 · Headquarters: MILWAUKEE, WI, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Wisconsin Justice Initiative Inc

    EIN 474844281 · Headquarters: MILWAUKEE, WI, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Wisconsin Juvenile Court Intake Association

    EIN 391391413 · Headquarters: DODGEVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Wisconsin Juvenile Detention Association Inc

    EIN 391863834 · Headquarters: Greenfield, WI, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Wisconsin Juvenile Officers Association Inc

    EIN 391239429 · Headquarters: Brillion, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Wisconsin K9 Search Specialists Inc

    EIN 332254289 · Headquarters: Menomonie, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Wisconsin K9 Sos Search and Rescue Inc

    EIN 203108258 · Headquarters: SUN PRAIRIE, WI, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Wisconsin Kennel Club

    EIN 390923478 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  71. Wisconsin Kindergarten Association

    EIN 391608994 · Headquarters: GREEN BAY, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Wisconsin Kitty Cat Racers Inc

    EIN 391901180 · Headquarters: CEDARBURG, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Wisconsin Knights of Columbus Charities Inc

    EIN 421654056 · Headquarters: MADISON, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Wisconsin Korean Education Foundation

    EIN 991415583 · Headquarters: Middleton, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Wisconsin Labor History Society Inc

    EIN 391397777 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Wisconsin Laboratory Association

    EIN 391273911 · Headquarters: DePere, WI, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  77. Wisconsin Laborers District Council Scholarship Fund Inc

    EIN 862828242 · Headquarters: DEFOREST, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. Wisconsin Laborers' Apprenticeship and Training Fund

    EIN 391161160 · Headquarters: DEFOREST, WI, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Wisconsin Laborers' District Council

    EIN 391142477 · Headquarters: DEFOREST, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Wisconsin Laborers' Health Fund

    EIN 237009055 · Headquarters: DEFOREST, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Wisconsin Lacrosse Federation Inc

    EIN 392042565 · Headquarters: Schofield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Wisconsin Lacrosse Officials Association Inc

    EIN 454650612 · Headquarters: Hartland, WI, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  83. Wisconsin Lady Shooters Basketball

    EIN 831616373 · Headquarters: Wauwatosa, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Wisconsin Lakeshore Business Association

    EIN 812821663 · Headquarters: ALGOMA, WI, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  85. Wisconsin Lakeshore Safety Council Inc

    EIN 471906724 · Headquarters: Kohler, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Wisconsin Lambda Alumni Corporate Board Inc

    EIN 810979712 · Headquarters: Chippewa Falls, WI, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  87. Wisconsin Land and Water Conservation Association Inc

    EIN 391448749 · Headquarters: MADISON, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Wisconsin Land Conservation Foundation Inc

    EIN 208125413 · Headquarters: HARTFORD, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Wisconsin Land Information Association Inc

    EIN 391636543 · Headquarters: WILD ROSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Wisconsin Land Title Association Inc

    EIN 391161099 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  91. Wisconsin Landscape Contractors Association Inc

    EIN 391623690 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Wisconsin Landscape Contractorsassn Metropolitan Milwaukee Chapter Inc

    EIN 391405939 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Wisconsin Lao Veterans of America Inc

    EIN 300206670 · Headquarters: Wisconsin Rapids, WI, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  94. Wisconsin Large Animal Emergency Response Inc

    EIN 460837072 · Headquarters: Sauk City, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Wisconsin Latin Teachers Association

    EIN 391906699 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  96. Wisconsin Latino Economic Development Center Inc

    EIN 834392114 · Headquarters: Fitchburg, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Wisconsin Latvian Credit Union

    EIN 391018560 · Headquarters: Milwaukee, WI, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Wisconsin Law Alumni Association

    EIN 396050372 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990

  99. Wisconsin Law Center Inc

    EIN 273506393 · Headquarters: Madison, WI, US · Crime & Legal Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  100. Wisconsin Law Enforcement Accreditation Group Inc

    EIN 391970354 · Headquarters: Oshkosh, WI, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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