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. International Union UAW 578

    EIN 390975236 · Headquarters: Oshkosh, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. International Union UAW Local 1102

    EIN 390990612 · Headquarters: Green Bay, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. International Union UAW Local 1472

    EIN 391086745 · Headquarters: CLEVELAND, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. International Union UAW Local 72

    EIN 390669900 · Headquarters: Kenosha, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. International Union UAW Local 722

    EIN 416033743 · Headquarters: Hudson, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. International Union Uaw Local 9

    EIN 432081368 · Headquarters: WEST ALLIS, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  7. International Union United Auto Aerospace & Ag Wrkrs of Amer

    EIN 391359712 · Headquarters: OSHKOSH, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. International Union United Auto Aerospace & Agri Workers of Amer

    EIN 390918572 · Headquarters: Madison, WI, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  9. International Union United Auto Aerospace & Agricultural Workers

    EIN 237058474 · Headquarters: SaukVille, WI, US · Employment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  10. International Union United Auto Aerospace & Agricultural Workers

    EIN 237283604 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. International Union United Auto Aerospace & Agricultural Workers

    EIN 237288342 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. International Union United Auto Aerospace & Agricultural Workers

    EIN 237288343 · Headquarters: Janesville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. International Union United Auto Aerospace & Agricultural Workers

    EIN 237305136 · Headquarters: SHEBOYGAN, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. International Union United Auto Aerospace & Agricultural Workers

    EIN 390368026 · Headquarters: WEST ALLIS, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. International Union United Auto Aerospace & Agricultural Workers

    EIN 390368047 · Headquarters: MT PLEASANT, WI, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. International Union United Auto Aerospace & Agricultural Workers

    EIN 390797420 · Headquarters: Kenosha, WI, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  17. International Union United Auto Aerospace & Agricultural Workers

    EIN 390917604 · Headquarters: OOSTBURG, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. International Union United Auto Aerospace & Agricultural Workers

    EIN 390971937 · Headquarters: West Allis, WI, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  19. International Union United Auto Aerospace & Agricultural Workers

    EIN 390988574 · Headquarters: FOND DU LAC, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. International Union United Auto Aerospace & Agricultural Workers

    EIN 391713904 · Headquarters: Racine, WI, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  21. International Union United Auto Aerospace & Agricultural Workers O

    EIN 390965304 · Headquarters: EVANSVILLE, WI, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  22. International Union United Auto Aerospace & Agricultural Workers O

    EIN 396078600 · Headquarters: SHEBOYGAN FLS, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. International Union United Auto Workers Local 291 AFL-CIO

    EIN 390730789 · Headquarters: Oshkosh, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. International Union UNITED AUTO WORKERS UNION LOCAL 95

    EIN 390669903 · Headquarters: JANESVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. International Veterinary Assistance Inc

    EIN 392030617 · Headquarters: Wausau, WI, US · Animal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  26. International Vision Inc

    EIN 813622054 · Headquarters: KIEL, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. International Wauwatosa Prof Fire Fighters Assn

    EIN 396092977 · Headquarters: Wauwatosa, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. International Wheat Genome Sequencing Consortium Inc

    EIN 464258762 · Headquarters: EAU CLAIRE, WI, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. International Womens Insolvency & Restructuring Confederation Inc

    EIN 823359789 · Headquarters: madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. International Youth Initiative Inc

    EIN 872685271 · Headquarters: Milwaukee, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. International Youth Sailing of Oshkosh Ltd

    EIN 460595701 · Headquarters: OSHKOSH, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. International Zebrafish Society Inc

    EIN 472772592 · Headquarters: MILWAUKEE, WI, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Internationalassociationoflionsclubs

    EIN 391730283 · Headquarters: LACROSSE, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  34. Internatonal Society of Automation

    EIN 237439822 · Headquarters: Mukwonago, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Interstate Power & Light Employees Bargaining & Welfare Trust

    EIN 421418526 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. InterVarsity Christian Fellowship/USA

    EIN 362171714 · Headquarters: Madison, WI, USA · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-T

  37. Intl Assn of Machinists & Aerospace Workers

    EIN 396055823 · Headquarters: Waterford, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Intl Assoc of Heat & Frost Insulators and Allied Workers Local 19

    EIN 390137350 · Headquarters: PEWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Intl Assoc of Lions - Greenville

    EIN 237390483 · Headquarters: GREENVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Intl Assoc of Lions-merrill Lions

    EIN 396095343 · Headquarters: MERRILL, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Intl Association of Firefighters Local 1440

    EIN 391810040 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. Intl Brhd Boilrmkrs Et Al Local 449

    EIN 390287153 · Headquarters: Sturgeon Bay, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Intl Brotherhd of Boilermakers L487

    EIN 396078003 · Headquarters: Luxemburg, WI, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  44. Intl College of Dentists-Wisconsin Section

    EIN 208460977 · Headquarters: Sheboygan Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  45. Intl Lions Menomonie Lions Club

    EIN 396095340 · Headquarters: Menomonie, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Intl Union of Operating Engin Local 139

    EIN 390368025 · Headquarters: PEWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. Into the Wild Inc

    EIN 391943842 · Headquarters: TREGO, WI, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  48. Intra-city Parishes of Manitowoc Inc

    EIN 391302052 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Intrepid Charitable Partners

    EIN 810866277 · Headquarters: Madison, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  50. Invasive Plants Association of Wisconsin Incorporated

    EIN 392020468 · Headquarters: Madison, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Invent Your World Inc

    EIN 815168917 · Headquarters: Milwaukee, WI, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  52. Inventors and Entrepreneurs Club Inc

    EIN 571211760 · Headquarters: CAMP DOUGLAS, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Invest in Americas Future Inc

    EIN 932400386 · Headquarters: Hudson, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Invest in Her Foundation Inc

    EIN 832046948 · Headquarters: APPLETON, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  55. Invest in Ohio

    EIN 823731223 · Headquarters: Hudson, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Invest of Pleasant Prarie Inc

    EIN 202811298 · Headquarters: Pleasant Prairie, WI, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  57. Invisible Connections Inc

    EIN 993714630 · Headquarters: WISCONSIN RAPIDS, WI, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Invitational Conference of Investigative Immunohematologists

    EIN 382189177 · Headquarters: MENOMONEE FALLS, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Iojd World Youth Foundation

    EIN 911847442 · Headquarters: Mukwonago, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Ioka Heights Foundation Inc

    EIN 394673225 · Headquarters: VERONA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Iola and Rural Fire Department &

    EIN 391733627 · Headquarters: IOLA, WI, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Iola Community Golf Club Inc

    EIN 391081147 · Headquarters: IOLA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Iola Community Improvement Fund Inc

    EIN 391637084 · Headquarters: Iola, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  64. Iola Community Nursery Center

    EIN 391374374 · Headquarters: Iola, WI, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  65. Iola Community Preschool Inc

    EIN 264077055 · Headquarters: IOLA, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  66. Iola Conservation Club Inc

    EIN 391674746 · Headquarters: IOLA, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Iola Historical Society

    EIN 391367891 · Headquarters: IOLA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Iola Hospital Foundation Inc

    EIN 391590577 · Headquarters: Iola, WI, US · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  69. Iola Living Assistance Inc

    EIN 390754474 · Headquarters: IOLA, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  70. Iola Norsemen Snowmobile Club Inc

    EIN 391948726 · Headquarters: IOLA, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Iola Old Car Show Inc

    EIN 391504819 · Headquarters: IOLA, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Iola Scandinavia Education Association

    EIN 237086941 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Iola Winter Sports Club Inc

    EIN 391710244 · Headquarters: IOLA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Iola-scandinavia Auxiliary Association

    EIN 800152137 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Iola-scandinavia Booster Club

    EIN 391924099 · Headquarters: scandinavia, WI, US · Youth Development · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  76. Iola-scandinavia Chamber of Commerce Inc

    EIN 391710779 · Headquarters: IOLA, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Iola-scandinavia Community Orchestra Inc

    EIN 861084844 · Headquarters: SCANDINAVIA, WI, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  78. Iota Court Preservation Association Inc

    EIN 363548648 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Iota of Alpha Gamma Rho

    EIN 396088381 · Headquarters: SUN PRAIRIE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Iota Psi Sigma

    EIN 203921813 · Headquarters: Brown Deer, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Iota Sigma Chi

    EIN 900897644 · Headquarters: Menomonie, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  82. Iota Sigma House Corp

    EIN 862359477 · Headquarters: Fox Point, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Iou Foundation

    EIN 823020452 · Headquarters: Kenosha, WI, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  84. Iowa Co Farm Bureau Co-operative

    EIN 390824313 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Iowa County Area Economic Developmt

    EIN 262448980 · Headquarters: DODGEVILLE, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  86. Iowa County Area Rea

    EIN 271701265 · Headquarters: Dodgeville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Iowa County Cancer Coalition Inc

    EIN 814867653 · Headquarters: COBB, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Iowa County Cattlemens Association Inc

    EIN 391250287 · Headquarters: Cobb, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Iowa County Fair Society Inc

    EIN 390831455 · Headquarters: MINERAL POINT, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Iowa County Hce

    EIN 391279338 · Headquarters: Hollandale, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Iowa County Historical Society Inc

    EIN 391258937 · Headquarters: Dodgeville, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Iowa County Humane Society Inc

    EIN 391976679 · Headquarters: DODGEVILLE, WI, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. Iowa County Literacy Council

    EIN 020745541 · Headquarters: Dodgeville, WI, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  94. Iowa County Recreation and Prairie Restoration Ltd

    EIN 391935988 · Headquarters: MINERAL POINT, WI, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Iowa County Technical Rescue Team Inc

    EIN 811300349 · Headquarters: DODGEVILLE, WI, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Iowa County Wisconsin High School Regional Rodeo Association Inc

    EIN 830410221 · Headquarters: Mineral Point, WI, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  97. Iowa Grant Education Association & Education Support Professionals

    EIN 391503558 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Iowa Grant Elem Middle School Parent Teacher Club

    EIN 391831552 · Headquarters: Livingston, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  99. Iowa Grants Sportsmans Club Inc

    EIN 881363750 · Headquarters: Livingston, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Ip Ministries Inc

    EIN 834454551 · Headquarters: Madison, WI, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

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