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. American Foundation of School Pictures and Yearbooks

    EIN 881885431 · Headquarters: CEDARBURG, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. American Foundry Society - Ne Wisconsin Chapter

    EIN 396127483 · Headquarters: BERLIN, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  3. American Foundry Society Wi Chapter

    EIN 396076523 · Headquarters: GERMANTOWN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. American Friends of Journey House Actions Rwanda Inc

    EIN 863150779 · Headquarters: OCONOMOWOC, WI, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. American Friends of Orr Shalom Inc

    EIN 133502817 · Headquarters: JANESVILLE, WI, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. American Gold Star Mothers Inc - Department of Wisconsin

    EIN 921943501 · Headquarters: Marshfield, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. American Guild of Organists

    EIN 396075368 · Headquarters: Viroqua, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. American Guild of Organists

    EIN 396081135 · Headquarters: Hilbert, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. American Guild of Organists 647 Wisconsin River Chapter

    EIN 391375366 · Headquarters: Wausau, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. American Guild of Organists Ago

    EIN 396075381 · Headquarters: Milwaukee, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. American Guild of Organists Ago

    EIN 411284087 · Headquarters: Superior, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. American Harp Society

    EIN 270226212 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. American Heritage Productions

    EIN 412008846 · Headquarters: Washburn, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. American Hindu Association

    EIN 391945997 · Headquarters: MIDDLETON, WI, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. American Humanist Association

    EIN 992106405 · Headquarters: Eau Claire, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. American Idea Foundation Inc

    EIN 833365782 · Headquarters: JANESVILLE, WI, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. American Immigration Lawyers Association

    EIN 391508164 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. American Indian Center of Milwaukee Inc

    EIN 391572029 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  19. American Indian Chamber of Commerce of W

    EIN 391703752 · Headquarters: HALES CORNERS, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. American Indian Council on Alcoholism Inc

    EIN 237299512 · Headquarters: GREENFIELD, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. American Indian Resource Center of Marathon County Inc

    EIN 274214597 · Headquarters: Wausau, WI, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  22. American Indian Task Force on Dv-sa & Vulnerable Populations Inc

    EIN 208950045 · Headquarters: Milwaukee, WI, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  23. American Industrial Hygiene Association

    EIN 391383980 · Headquarters: Johnson Creek, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. American Innovation the Ai Project

    EIN 834688901 · Headquarters: HUDSON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. American Inns of Court Foundation

    EIN 263605957 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. American Inns of Court Foundation

    EIN 273028958 · Headquarters: Milwaukee, WI, US · Crime & Legal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  27. American Inns of Court Foundation

    EIN 391729912 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. American Inns of Court Foundation

    EIN 421763860 · Headquarters: Green Bay, WI, US · Crime & Legal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  29. American Institute for Innovation Excellence Inc

    EIN 274216671 · Headquarters: De Pere, WI, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  30. American Institute of Aeronautics and Astronautics

    EIN 391704564 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. American Institute of Aeronautics and Astronautics

    EIN 391724072 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. American Institute of Graphic Arts

    EIN 900409091 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. American Institute of Industrial Engineers Inc

    EIN 510153744 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. American Institute of Industrial Engineers Inc

    EIN 510225508 · Headquarters: Platteville, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. American Institute of Pakistan Studies

    EIN 710762618 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  36. American Institute of the History of Pharmacy

    EIN 390128183 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. American Intrnational Center for Public Education Association Inc

    EIN 852685789 · Headquarters: FITCHBURG, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. American Iris Society

    EIN 061815901 · Headquarters: Brooklyn, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. American Junior Investigator Association

    EIN 991813938 · Headquarters: JANESVILLE, WI, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. American Kinlein Association

    EIN 300183913 · Headquarters: WAUSAU, WI, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. American Kubb Association Inc

    EIN 995022656 · Headquarters: Campbellsport, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. American Lamancha Breeders Association

    EIN 823480172 · Headquarters: Hawkins, WI, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. American Legion

    EIN 020722524 · Headquarters: Menomonee Falls, WI, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  44. American Legion

    EIN 043841023 · Headquarters: BLOOMINGTON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. American Legion

    EIN 200006221 · Headquarters: campbellsport, WI, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  46. American Legion

    EIN 201986115 · Headquarters: CRANDON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. American Legion

    EIN 237006111 · Headquarters: Kimberly, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. American Legion

    EIN 237058533 · Headquarters: Ridgeway, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. American Legion

    EIN 237064002 · Headquarters: Soldiers Grove, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. American Legion

    EIN 237064657 · Headquarters: Denmark, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  51. American Legion

    EIN 237065307 · Headquarters: MUSCODA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. American Legion

    EIN 237084567 · Headquarters: SPRING VALLEY, WI, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  53. American Legion

    EIN 237084568 · Headquarters: Fennimore, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. American Legion

    EIN 237084579 · Headquarters: Kaukauna, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. American Legion

    EIN 237084584 · Headquarters: CLEAR LAKE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. American Legion

    EIN 237084830 · Headquarters: Gilmanton, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. American Legion

    EIN 237085884 · Headquarters: LUBLIN, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. American Legion

    EIN 237098299 · Headquarters: La Valle, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Legion

    EIN 237098301 · Headquarters: Hartford, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Legion

    EIN 237104850 · Headquarters: St Croix Falls, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. American Legion

    EIN 237108897 · Headquarters: Milwaukee, WI, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  62. American Legion

    EIN 237136723 · Headquarters: Caroline, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Legion

    EIN 237136725 · Headquarters: Franksville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. American Legion

    EIN 237136735 · Headquarters: Prescott, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. American Legion

    EIN 237144708 · Headquarters: De Pere, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. American Legion

    EIN 237188994 · Headquarters: POTOSI, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Legion

    EIN 237188995 · Headquarters: South Range WI, WI, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  68. American Legion

    EIN 237204661 · Headquarters: Random Lake, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. American Legion

    EIN 237228570 · Headquarters: Eagle, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. American Legion

    EIN 237283578 · Headquarters: HAYWARD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. American Legion

    EIN 237433596 · Headquarters: Clintonville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. American Legion

    EIN 237439919 · Headquarters: Wautoma, WI, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  73. American Legion

    EIN 261994240 · Headquarters: Hurley, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. American Legion

    EIN 262106269 · Headquarters: Beloit, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. American Legion

    EIN 262152495 · Headquarters: Rib Lake, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. American Legion

    EIN 262170521 · Headquarters: PITTSVILLE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. American Legion

    EIN 262347806 · Headquarters: Shiocton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. American Legion

    EIN 262473857 · Headquarters: FENNIMORE, WI, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  79. American Legion

    EIN 262486881 · Headquarters: Brodhead, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. American Legion

    EIN 262511597 · Headquarters: Odanah, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. American Legion

    EIN 263003949 · Headquarters: Augusta, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. American Legion

    EIN 263082724 · Headquarters: Steuben, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. American Legion

    EIN 271176395 · Headquarters: Oconomowoc, WI, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  84. American Legion

    EIN 364631077 · Headquarters: SOUTH RANGE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. American Legion

    EIN 364784039 · Headquarters: Muscoda, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. American Legion

    EIN 371661154 · Headquarters: CUSHING, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American Legion

    EIN 372094773 · Headquarters: Plymouth, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. American Legion

    EIN 383899916 · Headquarters: Casco, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. American Legion

    EIN 390128224 · Headquarters: RIPON, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. American Legion

    EIN 390128260 · Headquarters: Glendale, WI, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  91. American Legion

    EIN 390128278 · Headquarters: Rhinelander, WI, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. American Legion

    EIN 390128330 · Headquarters: Ashland, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Legion

    EIN 390407795 · Headquarters: Lake Geneva, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  94. American Legion

    EIN 390425790 · Headquarters: CECIL, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. American Legion

    EIN 390730844 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. American Legion

    EIN 390781390 · Headquarters: Reeseville, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  97. American Legion

    EIN 390792255 · Headquarters: Chetek, WI, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  98. American Legion

    EIN 390793133 · Headquarters: Wisconsin Dells, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. American Legion

    EIN 390795081 · Headquarters: PRAIRIE DU CHIEN, WI, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. American Legion

    EIN 390804399 · Headquarters: Milwaukee, WI, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

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