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. Maheshwara School of Yoga

    EIN 921633080 · Headquarters: Waukesha, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  2. Mahogany Black Arts and Cultural Center

    EIN 863592224 · Headquarters: Racine, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Mahogany CARES Foundation INC

    EIN 813447185 · Headquarters: Milwaukee, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Mahs Soccer

    EIN 832132651 · Headquarters: Stoughton, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  5. Mahs Volleyball

    EIN 844733462 · Headquarters: Waunakee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Maida F Niemann Trust Uw

    EIN 426198729 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. Maiden Lake Club Association Inc

    EIN 611595501 · Headquarters: LAKEWOOD, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Maiden Rock Area Community Association Inc

    EIN 391762489 · Headquarters: Maiden Rock, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Maihaugen Foundation Inc Agency Xxxxxx2262

    EIN 391857836 · Headquarters: LA CROSSE, WI, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  10. Main Project Community Inc

    EIN 854181121 · Headquarters: RACINE, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Main Street Foundation

    EIN 810925320 · Headquarters: AMHERST, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  12. Main Street Marshfield Inc

    EIN 391682585 · Headquarters: MARSHFIELD, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Main Street Mayville Inc

    EIN 391917644 · Headquarters: MAYVILLE, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Main Street Menomonie

    EIN 391688980 · Headquarters: MENOMONIE, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Main Street Monroe Inc

    EIN 452302582 · Headquarters: MONROE, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Main Street Revue Inc

    EIN 391937566 · Headquarters: GILLETT, WI, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  17. Main Street Song & Dance Troupe Inc

    EIN 262623246 · Headquarters: MENOMONEE FALLS, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Main Track Limited

    EIN 391492479 · Headquarters: Wauwatosa, WI, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  19. Maine Mallards Inc

    EIN 391097020 · Headquarters: Appleton, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Maine Pub Serv-tax Ex Ebt Veba

    EIN 043502901 · Headquarters: MILWAUKEE, WI, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Mainly Manitowoc Inc

    EIN 263060958 · Headquarters: MANITOWOC, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  22. Maintaining Mountain Values Inc

    EIN 870851539 · Headquarters: HUDSON, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  23. Maiv Passion Foundation Ltd

    EIN 331265920 · Headquarters: Green Bay, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Maize Genetics Cooperation Inc

    EIN 843179295 · Headquarters: MADISON, WI, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Majerus Family Foundation Inc

    EIN 462384558 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. Major Christopher Splinter Memorial Auxiliary 5274

    EIN 391353476 · Headquarters: Platteville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Major League Baseball Umpires Association

    EIN 912036368 · Headquarters: NEENAH, WI, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Makah Foundation Inc

    EIN 813625557 · Headquarters: Plover, WI, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Make a Diff Inc

    EIN 994553222 · Headquarters: Hudson, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Make a Differnce America Ltd

    EIN 352542943 · Headquarters: Milwaukee, WI, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  31. Make Miracles Grow Foundation

    EIN 800604027 · Headquarters: Waukesha, WI, USA · Religion Related · Latest available filing year: 2013 · Primary form: IRS Form 990

  32. Make Music Madison Inc

    EIN 462276454 · Headquarters: Madison, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Make Our Own Music Gathering Inc

    EIN 461310343 · Headquarters: FRANKLIN, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Make-a-wish Foundation of Wisconsin Inc

    EIN 391543541 · Headquarters: WAUWATOSA, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Makers Meadow

    EIN 853828188 · Headquarters: Greendale, WI, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Makers Together

    EIN 863012869 · Headquarters: Appleton, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Makerspace of Milwaukee Inc

    EIN 461965092 · Headquarters: Milwaukee, WI, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. Making a Mark Foundation Inc

    EIN 873571176 · Headquarters: Oconomowoc, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Making Connections Inc

    EIN 833206349 · Headquarters: Appleton, WI, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Making It Cool to Ride Safe

    EIN 992072483 · Headquarters: MONONA, WI, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Making Justice Great Again

    EIN 933083823 · Headquarters: Hudson, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Making Spirits Bright Inc

    EIN 462268962 · Headquarters: SHEBOYGAN, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Making Waves Milwaukee

    EIN 842553126 · Headquarters: Milwaukee, WI, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  44. Makor Ha Lev Foundation Inc Co Patricia a Knight

    EIN 271437733 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  45. Malaika Early Learning Center

    EIN 392021628 · Headquarters: MILWAUKEE, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Malawi Womens Health Inc

    EIN 455450679 · Headquarters: Waunakee, WI, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  47. Malaysia Faith Mission

    EIN 416040645 · Headquarters: Viroqua, WI, US · Religion Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  48. Malcolm Stack Foundation Inc

    EIN 392018087 · Headquarters: RIDGEWAY, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  49. Malcolm X Unified Development Group Inc

    EIN 884163883 · Headquarters: Racine, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Male Contraception Alliance Inc

    EIN 465242581 · Headquarters: Delafield, WI, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Malesearlham College Tuw

    EIN 356060719 · Headquarters: MILWAUKEE, WI, USA · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  52. Mallard Lake Association Inc

    EIN 391934505 · Headquarters: New Richmond, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Mallinger Family Foundation

    EIN 456127492 · Headquarters: BROOKFIELD, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  54. Malone Area Heritage Museum

    EIN 260150116 · Headquarters: MALONE, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Malone Foundation Inc

    EIN 873836695 · Headquarters: Milwaukee, WI, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Malone Memorial Charities Inc

    EIN 391578019 · Headquarters: NEW BERLIN, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  57. Malu Ltd

    EIN 237050162 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  58. Mama Bond and Son Women S Center Inc

    EIN 831085142 · Headquarters: Milwaukee, WI, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Mama Goose Memorial Run Walk Cooperative

    EIN 240544564 · Headquarters: Verona, WI, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  60. Mama Queens Safe House

    EIN 333479742 · Headquarters: Green bay, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Mamadee Konneh Charity Foundation Incorporated

    EIN 872396398 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Mamba Volleyball Academy

    EIN 931862626 · Headquarters: WAUKESHA, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Mamie Holden Scholarship Fund

    EIN 431138294 · Headquarters: MILWAUKEE, WI, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  64. Mammographers of Southeastern Wisconsin Ltd

    EIN 391939070 · Headquarters: Milwaukee, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  65. Mammoth Messaging Mke Llc

    EIN 934801664 · Headquarters: WHITEFISH BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Man-of-honor Society of Marathon County

    EIN 204947292 · Headquarters: WAUSAU, WI, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. Mana Oasis Inc

    EIN 873209029 · Headquarters: Juneau, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. Management of Walden Inc

    EIN 391519844 · Headquarters: MADISON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990

  69. Management Women Inc

    EIN 391522408 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Managing Directors Association of Northwestern Mutual Life Inc

    EIN 391262602 · Headquarters: RACINE, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Managing Partners Association of Northwestern Mutual Inc

    EIN 256084058 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Manasseh Ministries Inc

    EIN 455197888 · Headquarters: Neenah, WI, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Manawa Area Communities Food Pantry

    EIN 391806627 · Headquarters: Manawa, WI, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Manawa Area Veterans Freedom Park Inc

    EIN 475067604 · Headquarters: Manawa, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Manawa Athletic Booster Club Inc

    EIN 455527032 · Headquarters: Manawa, WI, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Manawa Education Association

    EIN 237083189 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Manawa Revitalization Committee Inc

    EIN 814826880 · Headquarters: Manawa, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Manawa Wolves Band Boosters Ltd

    EIN 814476896 · Headquarters: Manawa, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. Manawa Youth Baseball Softball Association

    EIN 391894554 · Headquarters: Manawa, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Manchester Activity Center Inc

    EIN 043708312 · Headquarters: Manchester, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Manchester Rod & Gun Club Inc

    EIN 930756058 · Headquarters: MARKESAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Mandaamin Institute Inc

    EIN 453343654 · Headquarters: ELKHORN, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Mandir of Madison and Community Center Inc

    EIN 261110097 · Headquarters: SUN PRAIRIE, WI, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Mandolin Center for Health & Wellness Education Inc

    EIN 833442424 · Headquarters: NEKOOSA, WI, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  85. Mandolin Foundation Limited

    EIN 844482661 · Headquarters: Green Bay, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. Mandt Community Centerinc

    EIN 391755287 · Headquarters: STOUGHTON, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. Mandt Lodge Incorporated

    EIN 262533067 · Headquarters: Stoughton, WI, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Mane Events 4-H Club

    EIN 830505544 · Headquarters: MARINETTE, WI, US · Youth Development · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  89. Mangold Family Conservation Foundation Inc

    EIN 812533884 · Headquarters: BURLINGTON, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  90. Maniac Retreats

    EIN 934131390 · Headquarters: Cross Plains, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Manito Art League

    EIN 366197046 · Headquarters: Manitowish Waters, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Manitou Council Inc D/b/a Girl Scouts of Manitou Council

    EIN 390920672 · Headquarters: SHEBOYGAN, WI, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. MANITOWISH WATER ALLIANCE FOUNDATION LTD Dba 545 Foundation

    EIN 262014728 · Headquarters: Manitowish Waters, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Manitowish Waters Alliance Ltd

    EIN 237192686 · Headquarters: Manitowish Waters, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  95. Manitowish Waters Bike Trail Inc

    EIN 454242114 · Headquarters: MANITOWISH WATERS, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. Manitowish Waters Chamber of Commerce Corp

    EIN 390447589 · Headquarters: MANITOWISH WATERS, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  97. Manitowish Waters Fire Company

    EIN 396050298 · Headquarters: Manitowish Waters, WI, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Manitowish Waters Historical Society

    EIN 811112866 · Headquarters: Manitowish Waters, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Manitowish Waters Lakes Association Inc

    EIN 391728369 · Headquarters: MANITOWISH WATERS, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Manitowish Waters Lions Club

    EIN 141940525 · Headquarters: MANITOWISH WATERS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

First page and all pages