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. Mebnomonie Sunrise Rotary Club

    EIN 391815798 · Headquarters: MENOMONIE, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Meca Wisconsin Police Canine Vest Foundation Inc Aka the Meca Foundation

    EIN 455074228 · Headquarters: MEQUON, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  3. Meccas Pit Bull Rescue Inc

    EIN 274528168 · Headquarters: Sheboygan, WI, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Mechanical Conctractors Se Inc

    EIN 391542117 · Headquarters: KENOSHA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Mechanical Contractors Association Northwest Wisconsin Industry Fund

    EIN 391404317 · Headquarters: APPLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. Mechanical Contractors Association of North Central Wisconsin Inc

    EIN 391021834 · Headquarters: APPLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Mechanical Contractors Association of North Central Wisconsin Industry Fund

    EIN 391606450 · Headquarters: APPLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Mechanical Contractors Association of Northwest Wisconsin Eau Claire

    EIN 562350945 · Headquarters: Appleton, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Mechanical Contractors Association of Northwest Wisconsin Sheet Metal

    EIN 391752834 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Mechanical Contractors Association of Wisconsin Inc

    EIN 396062015 · Headquarters: APPLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Mechanical Contractors Development Fund Inc

    EIN 391029703 · Headquarters: WAUWATOSA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Mecikalski Stovewood Building Found

    EIN 391627359 · Headquarters: Pelican Lake, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. Meded Inc

    EIN 874380060 · Headquarters: Milwaukee, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  14. Medford All Sports Booster Club

    EIN 391938094 · Headquarters: Medford, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Medford Aqua Fins Swim Club Inc

    EIN 383941246 · Headquarters: Medford, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Medford Archery Club

    EIN 832168919 · Headquarters: MEDFORD, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Medford Area Community Theater

    EIN 391991689 · Headquarters: Medford, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Medford Area for Tomorrow Inc

    EIN 391764756 · Headquarters: Medford, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Medford Area Housing Inc

    EIN 237329408 · Headquarters: Superior, WI, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Medford Area Youth Football

    EIN 201016180 · Headquarters: Medford, WI, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  21. Medford Area Youth Hockey Association Inc

    EIN 391496089 · Headquarters: Medford, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Medford Basketball Booster Club Inc

    EIN 203755565 · Headquarters: Medford, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Medford Choir Booster Club Inc

    EIN 453953544 · Headquarters: MEDFORD, WI, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  24. Medford City Baseball Inc

    EIN 813998643 · Headquarters: Medford, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Medford Curling Club Inc

    EIN 391154626 · Headquarters: MEDFORD, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Medford Education Association

    EIN 237086951 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Medford Educational Foundation Inc

    EIN 392046558 · Headquarters: Medford, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Medford Library Foundation Inc

    EIN 391983202 · Headquarters: MEDFORD, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Medford Morning Rotary International

    EIN 392037202 · Headquarters: MEDFORD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Medford Swimming Boosters

    EIN 463728784 · Headquarters: Medford, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Medford Volleyball Booster Club

    EIN 272049862 · Headquarters: Medford, WI, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  32. Medford Wrestling Club Inc

    EIN 273777018 · Headquarters: Medford, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Medford Youth Soccer Association

    EIN 392025092 · Headquarters: MEDFORD, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Media Communications Association- International

    EIN 237099731 · Headquarters: MADISON, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  35. Mediation Center of Greater Gb Inc

    EIN 391931511 · Headquarters: GREEN BAY, WI, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Medical Aid East Timor

    EIN 823711370 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Medical Center Foundation of Hartford

    EIN 391375380 · Headquarters: Hartford, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Medical College of Wisconsin

    EIN 390806261 · Headquarters: Milwaukee, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Medical College of Wisconsin

    EIN 391341366 · Headquarters: Milwaukee, WI, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Medical College of Wisconsin- MARQUETTE MEDICAL ALUMNI ASSOC

    EIN 391391593 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Medical Education Institute Inc

    EIN 391739731 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Medical Employees Credit Union

    EIN 397056292 · Headquarters: Sheboygan, WI, USA · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990

  43. Medical Organization for Latino Advancement - Wisconsin Inc

    EIN 861505143 · Headquarters: Madison, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Medical Physics Publishing Corporation

    EIN 391531295 · Headquarters: MADISON, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Medical Services Inc

    EIN 391536207 · Headquarters: HAYWARD, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Medical Society of Milwaukee County

    EIN 390462783 · Headquarters: Kimberly, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Medical Society of Milwaukee Foundation Inc

    EIN 204483516 · Headquarters: KIMBERLY, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  48. Medical Staff of St Josephs Community Hospital

    EIN 391634826 · Headquarters: West Bend, WI, USA · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  49. Medicine Fish Corp

    EIN 932804217 · Headquarters: Gresham, WI, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Medics of Mercy to the Nations Inc

    EIN 471285820 · Headquarters: Waupaca, WI, US · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  51. Medieval Jewish Manuscript Rediscovery Company

    EIN 873073520 · Headquarters: Milwaukee, WI, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Medmeetings Etc Ltd

    EIN 264040565 · Headquarters: MILWAUKEE, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Meehan Family Foundation C/o Schumacher Sama Llp

    EIN 391445333 · Headquarters: WAUWATOSA, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  54. Meeme Leads Elementary Charter School

    EIN 463392822 · Headquarters: Newton, WI, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  55. Meeting House Nursery School INC

    EIN 237448560 · Headquarters: Madison, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Meeting Professionals International- Wisconsin Chapter Inc

    EIN 311011262 · Headquarters: COTTAGE GROVE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Mega Charities Foundation Inc

    EIN 200465977 · Headquarters: Eau Claire, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Megan Kelley Foundation Raising Awareness About Addiction and Brin

    EIN 611805803 · Headquarters: Kimberly, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Megans Mission

    EIN 881681175 · Headquarters: Lodi, WI, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Megaregion Autonomous Vehicle Research Coalition Incorporated

    EIN 831434032 · Headquarters: Fitchburg, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Meghans Mission Inc

    EIN 863727908 · Headquarters: Oconomowoc, WI, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. Mehara Shrine Club Holding Corporation

    EIN 391761222 · Headquarters: Eau Claire, WI, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  63. Meier Family Foundation

    EIN 208762273 · Headquarters: WAUKESHA, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  64. Mel-min Youth Ball

    EIN 873539132 · Headquarters: Melrose, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Melanin Minded Foundation

    EIN 923731784 · Headquarters: MILWAUKEE, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. Melharmony Foundation

    EIN 474251277 · Headquarters: Middleton, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Meliora Company

    EIN 473837377 · Headquarters: West Allis, WI, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  68. Meliorism Foundation Inc

    EIN 812645413 · Headquarters: Fredonia, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Melitta S and Joan M Pick Charitable Trust C/o George a Dionisopoulos

    EIN 237243490 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  70. Mellen Area Historical Society Inc

    EIN 391255459 · Headquarters: Mellen, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Mellen Brownstone Center Inc

    EIN 862354925 · Headquarters: MELLEN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Mellen Community Foundation Inc

    EIN 391920965 · Headquarters: Mellen, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  73. Mellen Education Association

    EIN 237086530 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Mellen Jr Golf Inc

    EIN 432066107 · Headquarters: Mellen, WI, USA · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  75. Mellen Save Our School Inc

    EIN 391722192 · Headquarters: Mellen, WI, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  76. Mellen Technology Charter School Inc

    EIN 331215568 · Headquarters: Mellen, WI, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  77. Mellowhood Foundation Inc C/o Good Sherpherd

    EIN 471796358 · Headquarters: MADISON, WI, USA · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  78. Melody Lodge No 2 Free and Accepted Masons

    EIN 237532396 · Headquarters: Dousman, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Melody of Life Foundation

    EIN 263478568 · Headquarters: MILWAUKEE, WI, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  80. Melrose First Responders Inc

    EIN 391743215 · Headquarters: Melrose, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Melrose Food Pantry Company

    EIN 392016984 · Headquarters: Melrose, WI, US · Food, Agriculture & Nutrition · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  82. Melrose Mindoro Area Education Association

    EIN 237421632 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Melrose Mindoro Football Booster

    EIN 743116033 · Headquarters: MELROSE, WI, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  84. Melrose Mindoro Youth Volleyball

    EIN 874267467 · Headquarters: Holmen, WI, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Melrose-mindoro Anglers

    EIN 932153723 · Headquarters: mindoro, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Melrose-mindoro Pto

    EIN 472341329 · Headquarters: Melrose, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Melrose-mindoro Youth Basketball Inc

    EIN 453976946 · Headquarters: Mindoro, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Mels Charities Inc

    EIN 352357385 · Headquarters: Cedarburg, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Mels on the Move Inc

    EIN 993485768 · Headquarters: CEDARBURG, WI, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. Melvin & Caroline Kugel Family Foundation

    EIN 461806988 · Headquarters: EAGLE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. Melvin R Lane Trust Fbo Var Charities R51250000

    EIN 136049509 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  92. Melvin S Cohen Foundation Inc

    EIN 396075009 · Headquarters: EAU CLAIRE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  93. Melvin S Cohen Trust for the Minneapolis

    EIN 391369230 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Mema Solidarity Community Center

    EIN 994415254 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Members Advantage Credit Union

    EIN 396062826 · Headquarters: WISCONSIN RAPIDS, WI, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. Members First Credit Union

    EIN 391019822 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  97. Members Serving Members Credit Union

    EIN 396051984 · Headquarters: Beaver Dam, WI, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  98. Memmen Family Foundation Inc

    EIN 391995802 · Headquarters: GREEN BAY, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  99. Memorial Community Hospital Auxiliary

    EIN 030386418 · Headquarters: EDGERTON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Memorial Day Association Inc

    EIN 263640093 · Headquarters: La Crosse, WI, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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