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. Menomonie Training Center Inc

    EIN 844201530 · Headquarters: MENOMONIE, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Menomonie Womens Club

    EIN 237391962 · Headquarters: Menomonie, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  3. Menomonie Wrestling Club Inc

    EIN 474030870 · Headquarters: Menomonie, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Menomonie Youth Sports

    EIN 391392551 · Headquarters: Menomonie, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Mens Adult Baseball League of Southern Wisconsin- Incorporated

    EIN 820598632 · Headquarters: Verona, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Mens Resource Center of Green County

    EIN 815088588 · Headquarters: Monroe, WI, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Mens Shed Midwest Inc

    EIN 863082495 · Headquarters: Sullivan, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Mensa of Wisconsin Foundation Inc

    EIN 391578568 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Mensa of Wisconsin Inc

    EIN 396284973 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Ment O R S Inc

    EIN 825482304 · Headquarters: Germantown, WI, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Mental Health America Lakeshore Inc

    EIN 391018013 · Headquarters: Plymouth, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Mental Health America of Wisconsin Inc

    EIN 390827843 · Headquarters: Milwaukee, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Mental Health Association in Brown County Inc

    EIN 396097824 · Headquarters: Green Bay, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  14. Mental Health Association in Wisconsin Calumet County

    EIN 396125512 · Headquarters: Chilton, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  15. Mental Health Coalition of the Greater La Crosse Area

    EIN 203796272 · Headquarters: La Crosse, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Mental Health Collaborative

    EIN 990423596 · Headquarters: Wausau, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Mental Health Emergency Center Inc

    EIN 870838415 · Headquarters: MILWAUKEE, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Mental Health Matters

    EIN 832722414 · Headquarters: Darlington, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Mental Health Task Force of Polk County

    EIN 271566890 · Headquarters: SAINT CROIX FALLS, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Mental Mountains Project Inc

    EIN 932182403 · Headquarters: Madison, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Mentor Chippewa Inc

    EIN 843286047 · Headquarters: CHIPPEWA FALLS, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Mentor Greater Milwaukee Inc

    EIN 831107326 · Headquarters: MILWAUKEE, WI, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Mentoring Positives Inc

    EIN 272347080 · Headquarters: Madison, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Mephibosheth Ministries Inc

    EIN 260657782 · Headquarters: BLOOMER, WI, USA · Religion Related · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  25. Mequon Eruv Inc

    EIN 391827082 · Headquarters: Mequon, WI, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Mequon Fire & Ems Association

    EIN 204492122 · Headquarters: Mequon, WI, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Mequon Fire and Ems Association Charities

    EIN 271524915 · Headquarters: Mequon, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  28. Mequon Historical Society Inc

    EIN 391585856 · Headquarters: Thiensville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Mequon Jewish Campus Inc

    EIN 481269083 · Headquarters: Milwaukee, WI, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990

  30. Mequon Jewish Preschool Inc

    EIN 391966107 · Headquarters: MEQUON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Mequon Junior Kindergarten Inc

    EIN 390942886 · Headquarters: Mequon, WI, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  32. Mequon Nature Preserve Inc

    EIN 451562527 · Headquarters: Mequon, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Mequon Park Corporation

    EIN 391922523 · Headquarters: Milwaukee, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  34. Mequon Police Association Inc

    EIN 391847359 · Headquarters: Thiensville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Mequon Softball Academy Inc

    EIN 933579888 · Headquarters: MEQUON, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. Mequon Thiensville Area Council Parent Teacher Organization Inc

    EIN 870773714 · Headquarters: MEQUON, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Mequon Thiensville Basketball Association Inc

    EIN 392031748 · Headquarters: Thiensville, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Mequon Thiensville Sunrise Rotary Club

    EIN 391677343 · Headquarters: THIENSVILLE, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Mequon Womans Club Inc

    EIN 396056482 · Headquarters: Mequon, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Mequon-theinsville Area Council Parent Teacher Organization

    EIN 204843608 · Headquarters: Mequon, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Mequon-theinsville Area Council Parent Teacher Organization

    EIN 510580040 · Headquarters: Mequon, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Mequon-Thiensville Area Chamber of Commerce And Industry Inc

    EIN 391380802 · Headquarters: Mequon, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Mequon-Thiensville Community Foundation

    EIN 391961314 · Headquarters: Mequon, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Mequon-thiensville Education Association

    EIN 237447943 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Mequon-thiensville Education Foundation Inc

    EIN 311625167 · Headquarters: Mequon, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Mera Response Team

    EIN 862200744 · Headquarters: Milwaukee, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Meraki Church Inc

    EIN 922538730 · Headquarters: Deforest, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Meraki Guardianship Services Inc

    EIN 830688251 · Headquarters: Chippewa Falls, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Meraki Tent Incorporated

    EIN 831260282 · Headquarters: Milwaukee, WI, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. Mercedes Benz Club of America

    EIN 453935608 · Headquarters: Janesville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Mercer Area Chamber of Commerce

    EIN 391950931 · Headquarters: MERCER, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Mercer Area Food Pantry Inc

    EIN 392037783 · Headquarters: mercer, WI, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Mercer Area Historical Society

    EIN 391501731 · Headquarters: MERCER, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Mercer Area Snogoers Inc

    EIN 453081593 · Headquarters: MERCER, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Mercer Athletic Booster Club Inc

    EIN 412401465 · Headquarters: Mercer, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Mercer Cross Country Ski Club Inc

    EIN 391487861 · Headquarters: Mercer, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Mercer Dusty Loons Atv Club Inc

    EIN 451955075 · Headquarters: MERCER, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Mercer Education Association

    EIN 262770776 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Mercer Education Foundation Inc

    EIN 205945501 · Headquarters: MERCER, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Mercer Health and Wellness

    EIN 832826960 · Headquarters: MERCER, WI, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Mercer Lake Association of Iron County Wisconsin Inc

    EIN 392038394 · Headquarters: Mercer, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Mercer Loons Inc

    EIN 200105860 · Headquarters: Mercer, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Mercer Senior Center Friends Inc

    EIN 852689566 · Headquarters: Mercer, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Mercer Senior Center Inc

    EIN 810680047 · Headquarters: Mercer, WI, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Mercury Players Inc

    EIN 391864005 · Headquarters: MADISON, WI, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Mercy Academy Inc

    EIN 391823478 · Headquarters: MILWAUKEE, WI, USA · Education · Latest available filing year: 2010 · Primary form: IRS Form 990

  67. Mercy Alliance Inc

    EIN 391679859 · Headquarters: Janesville, WI, USA · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990

  68. Mercy Assisted Care Inc

    EIN 391035110 · Headquarters: JANESVILLE, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Mercy Dental Missions Inc

    EIN 271995048 · Headquarters: Madison, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Mercy Dental Missions Inc

    EIN 991360781 · Headquarters: middleon, WI, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Mercy Farm

    EIN 320832275 · Headquarters: Chippewa Falls, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Mercy Foundation Inc

    EIN 237275336 · Headquarters: JANESVILLE, WI, USA · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990

  73. Mercy Health System Association of Volunteers Inc

    EIN 390912682 · Headquarters: JANESVILLE, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Mercy Health System Corporation

    EIN 390816848 · Headquarters: JANESVILLE, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Mercy House Inc

    EIN 473784898 · Headquarters: Beloit, WI, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Mercy in Deed Inc

    EIN 842537851 · Headquarters: NEENAH, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Mercy Medical Center of Oshkosh Inc

    EIN 390806268 · Headquarters: Oshkosh, WI, USA · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990

  78. Mercy Works Foundation

    EIN 431954871 · Headquarters: GERMANTOWN, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  79. Mercy12 Recovery Community Project Inc

    EIN 874395625 · Headquarters: Racine, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Mercyhealth

    EIN 311551871 · Headquarters: Janesville, WI, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Mercyhealth

    EIN 362181997 · Headquarters: Janesville, Wisconsin, United States · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Mercyhealth

    EIN 472158680 · Headquarters: Janesville, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Merganser Fund Inc

    EIN 391868940 · Headquarters: HARTLAND, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  84. Meridian Arts Ensemble Ptrs

    EIN 133573998 · Headquarters: MADISON, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. Meriter Foundation Inc

    EIN 237098688 · Headquarters: MADISON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Meriter Health Services Inc

    EIN 391412318 · Headquarters: MADISON, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Meriter Medical Group Inc

    EIN 050545222 · Headquarters: MADISON, WI, USA · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990

  88. Merkel Foundation Inc

    EIN 391582624 · Headquarters: BROOKFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  89. Merl Hood Memorial Tuw

    EIN 421180466 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  90. Merlin and Carol Johnson Charitable

    EIN 396751550 · Headquarters: GRANTSBURG, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  91. Merril Golf Booster Club Inc

    EIN 202937446 · Headquarters: Merrill, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Merrill Amateur Radio Group

    EIN 205552313 · Headquarters: Merrill, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Merrill Aqua Jays Swim Team Inc

    EIN 831328101 · Headquarters: Merrill, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Merrill Area Chamber of Commerce

    EIN 390738828 · Headquarters: MERRILL, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Merrill Area Chamber of Commerce Foundation Inc

    EIN 201891431 · Headquarters: MERRILL, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Merrill Area Concert Association Ltd

    EIN 391354028 · Headquarters: Merrill, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Merrill Area Development Corporation

    EIN 396081116 · Headquarters: merrill, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Merrill Area Farmers Market

    EIN 465300048 · Headquarters: Merrill, WI, US · Food, Agriculture & Nutrition · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  99. Merrill Area United Way Inc

    EIN 391286800 · Headquarters: MERRILL, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Merrill Area Youth Hockey Association Inc

    EIN 391734407 · Headquarters: MERRILL, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

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