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. Marshfield Childrens Museum

    EIN 391878061 · Headquarters: Marshfield, WI, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  2. Marshfield Clinic

    EIN 382780429 · Headquarters: Marshfield, WI, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Marshfield Clinic

    EIN 390452970 · Headquarters: Marshfield, WI, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Marshfield Clinic

    EIN 390806828 · Headquarters: Marshfield, WI, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Marshfield Clinic

    EIN 390837206 · Headquarters: Marshfield, WI, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Marshfield Clinic

    EIN 390973724 · Headquarters: Marshfield, WI, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Marshfield Clinic

    EIN 391157876 · Headquarters: BEAVER DAM, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Marshfield Clinic

    EIN 461495343 · Headquarters: Marshfield, WI, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Marshfield Clinic

    EIN 810977948 · Headquarters: MARSHFIELD, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Marshfield Clinic Health System Foundation Inc

    EIN 812822823 · Headquarters: MARSHFIELD, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Marshfield Convention & Visitors Bureau Inc

    EIN 462010960 · Headquarters: MARSHFIELD, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Marshfield Curling Club Inc

    EIN 208661322 · Headquarters: MARSHFIELD, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Marshfield Curling Club Inc

    EIN 391246482 · Headquarters: Marshfield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Marshfield Medical Center Credit Union

    EIN 391081671 · Headquarters: MARSHFIELD, WI, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Marshfield Public Library Foundation Inc

    EIN 391570731 · Headquarters: MARSHFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Marshfield Rotary Foundation Inc

    EIN 391617353 · Headquarters: MARSHFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Marshfield Sandlot Baseball Inc

    EIN 473183556 · Headquarters: MARSHFIELD, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Marshfield School Building Leasing Corp

    EIN 391648229 · Headquarters: MARSHFIELD, WI, USA · Education · Latest available filing year: 2009 · Primary form: IRS Form 990

  19. Marshfield Senior Citizens Council

    EIN 391624188 · Headquarters: Marshfield, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Marshfield Skatepark

    EIN 391988250 · Headquarters: Marshfield, WI, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  21. Marshfield Softball Association Inc

    EIN 391959853 · Headquarters: MARSHFIELD, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Marshfield Teachers Association

    EIN 237098700 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Marshfield Tennis Association Inc

    EIN 391721989 · Headquarters: Marshfield, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Marshfield Tiger Booster Club Inc

    EIN 391486480 · Headquarters: MARSHFIELD, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Marshfield Tiger Hockey Blueline Club

    EIN 271721899 · Headquarters: MARSHFIELD, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Marshfield Trap and Skeet Club Inc

    EIN 391331553 · Headquarters: Marshfield, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Marshfield Youth Hockey Association Inc

    EIN 930837268 · Headquarters: MARSHFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Marshfield Youth Wrestling Club Inc

    EIN 391697039 · Headquarters: MARSHFIELD, WI, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Marshview Inc

    EIN 462630963 · Headquarters: Milwaukee, WI, USA · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990

  30. Martells Landing Education Center

    EIN 411965946 · Headquarters: Somerset, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Marth Foundation Ltd

    EIN 391410550 · Headquarters: MARATHON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  32. Martha Chapter No 10

    EIN 391367321 · Headquarters: Milwaukee, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Martha Hollowell Scholarship Fund Inc

    EIN 474609695 · Headquarters: KENOSHA, WI, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  34. Martin Club

    EIN 391482450 · Headquarters: Brookfield, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  35. Martin Club Charities Inc

    EIN 396099445 · Headquarters: GERMANTOWN, WI, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  36. Martin Drive Neighborhood Association Incorporated

    EIN 463324971 · Headquarters: Milwaukee, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  37. Martin Family Scholarship Inc

    EIN 923632486 · Headquarters: BERLIN, WI, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Martin Luther King Economic Development Corporation

    EIN 391809548 · Headquarters: MILWAUKEE, WI, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Martin Mary Elizabeth Scholarship

    EIN 486104170 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  40. Martin Selkurt Family Foundation Inc 75001100

    EIN 371661072 · Headquarters: WAUSAU, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  41. Maruf Inc

    EIN 264161530 · Headquarters: Milwaukee, WI, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  42. Marvelle Foundation

    EIN 852360820 · Headquarters: RACINE, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  43. Marvin and Debra Cherney Family Foundation Inc

    EIN 874127024 · Headquarters: KEWAUNEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  44. Marvs Bin Food Pantry

    EIN 844456230 · Headquarters: Casco, WI, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Mary a Smith Trust for Canton United

    EIN 356557774 · Headquarters: MILWAUKEE, WI, USA · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  46. Mary Alice Yakich Educational Found

    EIN 391967691 · Headquarters: WAUWATOSA, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. Mary and Martthas Oasis

    EIN 823790510 · Headquarters: Milwaukee, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Mary B Biddle Tr Uw

    EIN 616139469 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  49. Mary Bradley Corporation

    EIN 362181940 · Headquarters: GREENFIELD, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Mary Dail Test Trust for Cook Children's

    EIN 756056616 · Headquarters: MILWAUKEE, WI, USA · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990

  51. Mary E Fitz Memorial Trust

    EIN 396734720 · Headquarters: MENOMONIE, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  52. Mary E Kaley Irr Tr Ua R60776003

    EIN 356012919 · Headquarters: MILWAUKEE, WI, USA · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  53. Mary Ella Jerome Foundation

    EIN 392001356 · Headquarters: BARRON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  54. Mary Ellen Peters Charitable Fdn Inc

    EIN 391869935 · Headquarters: Madison, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  55. Mary Ellen Strong Foundation Inc

    EIN 300834678 · Headquarters: MILWAUKEE, WI, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Mary F Sorrell Charitable Foundation Tr R76596007

    EIN 746371275 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  57. Mary Geiss Memorial Always Believe in Children

    EIN 611511579 · Headquarters: MERRILL, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Mary Hendrickson Johnson Foundation Inc

    EIN 391613991 · Headquarters: COLGATE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  59. Mary House of Hospitality Inc

    EIN 391673711 · Headquarters: WISCONSIN DELLS, WI, USA · Housing & Shelter · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  60. Mary Jo Gheens Hill Fbo Broadway Baptist

    EIN 616133682 · Headquarters: MILWAUKEE, WI, USA · Religion Related · Latest available filing year: 2010 · Primary form: IRS Form 990-PF

  61. Mary Jo Gheens Hill Foundation Trust Fbo

    EIN 616133684 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2009 · Primary form: IRS Form 990-PF

  62. Mary Jo Gheens Hill Tr Fbo Am Red Cr

    EIN 616136046 · Headquarters: MILWAUKEE, WI, USA · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-PF

  63. Mary L Staudenmaier Charitable Trust

    EIN 466425917 · Headquarters: MARINETTE, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  64. Mary Lake Montessori Inc

    EIN 391579294 · Headquarters: WAUNAKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Mary Linsmeier Schools Inc

    EIN 391160348 · Headquarters: Pewaukee, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Mary Louise Osborne Tr Uw

    EIN 616220208 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  67. Mary Moorehead Charitable Tuw 4920000363

    EIN 396534099 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  68. Mary Nobile Charitable Trust

    EIN 396788022 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  69. Mary Pauly Lacy Foundation Inc

    EIN 391744801 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  70. Mary Room Inc

    EIN 391843401 · Headquarters: Delavan, WI, US · Religion Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  71. Mary Schmidt Choral Foundation Inc

    EIN 383984482 · Headquarters: Sun Prairie, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Mary Sumerlin Hippen Education Fdn

    EIN 956228286 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  73. Mary W Stremmer Educational Trust Fund

    EIN 391706432 · Headquarters: Marshall, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  74. Mary W Stremmer Educational Trust Fund

    EIN 391706433 · Headquarters: Marshall, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  75. Mary's Place Boarding House Inc

    EIN 203398037 · Headquarters: MARSHFIELD, WI, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Maryhill Manor Inc

    EIN 391501353 · Headquarters: NIAGARA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Maryland Academy of Family Physicians

    EIN 521317156 · Headquarters: THIENSVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. Maryland Academy of Family Physicians Foundation

    EIN 521591404 · Headquarters: MEQUON, WI, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Marys Mantle Inc

    EIN 465572456 · Headquarters: Wausau, WI, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  80. Marys Missions

    EIN 874746556 · Headquarters: Wrightstown, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  81. Marys Missions Inc

    EIN 921046559 · Headquarters: Wrightstown, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Marys Room of Sheboygan Inc

    EIN 391865081 · Headquarters: Sheboygan, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Marytown Athletic Club

    EIN 396075815 · Headquarters: New Holstein, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Marytown Athletic Club Community Center Inc

    EIN 352530999 · Headquarters: New Holstein, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Mascoutin Ladies Golf League

    EIN 991304052 · Headquarters: Ripon, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Mash Soccer Boosters

    EIN 463402981 · Headquarters: Medford, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Mashkisibi Boys and Girls Club Inc

    EIN 300028025 · Headquarters: ODANAH, WI, USA · Youth Development · Latest available filing year: 2021 · Primary form: IRS Form 990

  88. Mason Area Historical Society Inc

    EIN 453749504 · Headquarters: Mason, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Mason Cemetery Incorporated

    EIN 834457142 · Headquarters: Mason, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Mason Charitable Trust

    EIN 510171871 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. Mason Contractors Association of Milwaukee

    EIN 391189154 · Headquarters: WAUWATOSA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Mason J Holbrook Corp

    EIN 991580737 · Headquarters: WEST BEND, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Masonic Angel Fondation Inc

    EIN 264392930 · Headquarters: WAUWATOSA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Masonic Angel Foundation Inc

    EIN 204300727 · Headquarters: Eau Claire, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Masonic Angel Foundation Inc

    EIN 261947165 · Headquarters: Mondovi, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  96. Masonic Center for Health and Rehab Inc

    EIN 391506910 · Headquarters: DOUSMAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Masonry Technology Foundation of Wisconsin Inc

    EIN 391762041 · Headquarters: MADISON, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. Masquers Inc

    EIN 396055984 · Headquarters: Manitowoc, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Master Builders Association of Wisconsin Inc

    EIN 390455615 · Headquarters: Wauwatosa, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  100. Master Gardeners of the North

    EIN 391999268 · Headquarters: Rhinelander, WI, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

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