Unknown & Unclassified nonprofits in Wisconsin

Unknown & Unclassified nonprofits in Wisconsin. Browse 13,737 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. Alliance of Concerned Tennesseans

    EIN 871611770 · Headquarters: Hudson, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  2. Alliance of Divine Love Inc

    EIN 882770308 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Alliance of Dunn County Conservation and Sports Clubs Inc

    EIN 391677124 · Headquarters: MENOMONIE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Alliance on Mental Illness of Racine County Inc

    EIN 391341452 · Headquarters: Racine, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Alliant Energy Foundation Inc

    EIN 391444065 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  6. Allied Construction Employers Association

    EIN 390189310 · Headquarters: WAUWATOSA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Allied Horsemanship

    EIN 820800245 · Headquarters: Prairie du Chien, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  8. Alliss Educational Foundation-equity

    EIN 416011054 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  9. Allouez Beautification Committee

    EIN 391843814 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Allouez Girls Softball Inc

    EIN 391570019 · Headquarters: De Pere, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Alma Area Chamber of Commerce Incorporated

    EIN 843193814 · Headquarters: Alma, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Alma Education Association

    EIN 237079202 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Alma Historical Society Inc

    EIN 391324442 · Headquarters: Alma, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Almena Arland Clinton Fire District Inc

    EIN 391945151 · Headquarters: ALMENA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Almena Housing Authority

    EIN 391497832 · Headquarters: ALMENA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. Almond Area Education Association

    EIN 930764881 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Alois a & Nina M Fix Scholarship C/o Jay Carmichael

    EIN 396257879 · Headquarters: TOMAH, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  18. Alpha Chapter Building Corp

    EIN 396060464 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Alpha Chi Omega Fraternity Inc

    EIN 043244129 · Headquarters: Pleasant Prairie, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Alpha Chi Sigma Fraterntiy Collegiate Chapter

    EIN 471834280 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Alpha Delta Kappa Sorority Inc

    EIN 396120668 · Headquarters: Monroe, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Alpha Delta Kappa Sorority Inc

    EIN 510172891 · Headquarters: Franksville, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Alpha Gamma Delta Fraternity

    EIN 396081035 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Alpha Gamma Delta Fraternity

    EIN 596173147 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Alpha Gamma Delta Fraternity

    EIN 901184071 · Headquarters: WHITEWATER, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Alpha Gamma Rho

    EIN 391156773 · Headquarters: Platteville, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  27. Alpha Gamma Rho Education Foundatio

    EIN 237013492 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Alpha Gamma Rho Fraternity

    EIN 391091844 · Headquarters: RIVER FALLS, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  29. Alpha Gamma Rho Fraternity Iota Ch

    EIN 390818604 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Alpha Lambda Chapter of Sigma Chi Inc

    EIN 333775787 · Headquarters: WAUNAKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Alpha of Wisconsin of Sigma Phi

    EIN 396107913 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Alpha Omega Epsilon Inc

    EIN 391795229 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Alpha Omicron Pi Fraternity Inc

    EIN 391711427 · Headquarters: River Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  34. Alpha Omicron Pi Fraternity Inc

    EIN 521830878 · Headquarters: River Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  35. Alpha Phi Omega

    EIN 396077342 · Headquarters: EAU CLAIRE, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  36. Alpha Phi Omega

    EIN 815166438 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  37. Alpha Pi Mu Association

    EIN 521712157 · Headquarters: Platteville, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. Alpha Pi Mu Association Co Swaminathan Balachandran - Treasurer

    EIN 386071295 · Headquarters: VERONA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. Alpha Sigma Alpha Sorority

    EIN 396106156 · Headquarters: Franklin, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Alpha Sigma Alumnae Incorported

    EIN 391706813 · Headquarters: Cudahy, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  41. Alpha Sigma Phi Fraternity at University of Wisconsin-Madison

    EIN 461455834 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  42. Alpha Xi Delta Building Corporation

    EIN 391435679 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Alpha Xi Delta Fraternity

    EIN 825228962 · Headquarters: LAKE GENEVA, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  44. Altoona Education Associaion

    EIN 262727447 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Altrusa International Foundation Inc

    EIN 391630854 · Headquarters: APPLETON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Altrusa International Foundation of Green Bay Wisconsin Inc

    EIN 391593989 · Headquarters: DE PERE, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  47. Altrusa International Inc

    EIN 391430136 · Headquarters: Marshfield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Altrusa International Inc

    EIN 391453855 · Headquarters: Sheboygan, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  49. Altrusa International Inc

    EIN 391973955 · Headquarters: Sturgeon Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Altrusa International Inc

    EIN 396043819 · Headquarters: APPLETON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Altrusa International Inc

    EIN 396055543 · Headquarters: DePere, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  52. Altrusa International Inc

    EIN 396062220 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  53. Altrusa International Inc

    EIN 396075467 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Altrusa International Inc

    EIN 810765910 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Altrusa International Inc

    EIN 810920526 · Headquarters: FOND DU LAC, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Alumni Association of the Wisconsin School for the Blind and Visually

    EIN 872448145 · Headquarters: MADSON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Alvin a Marion Birnschein Foundation Inc

    EIN 396126798 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  58. Alvin and Maxine Junghans Charitable Fund

    EIN 886428611 · Headquarters: APPLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  59. Alvin Ott Scholarship Fund

    EIN 396351070 · Headquarters: NEW GLARUS, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  60. Alzheimer's & Dementia Alliance of Wi Inc

    EIN 391679333 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  61. Alzheimers Day Respite Program

    EIN 391851022 · Headquarters: SPOONER, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Amalgamated Transit Union

    EIN 237119383 · Headquarters: Onalaska, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Amalgamated Transit Union

    EIN 390776969 · Headquarters: EAU CLAIRE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Amalgamated Transit Union Local 998

    EIN 390127040 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Amateur Athletic Union of the United Sta

    EIN 411806315 · Headquarters: HUDSON, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  66. Amateur Athletic Union of the United States

    EIN 134306641 · Headquarters: Menomonie, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Amateur Athletic Union of the United States

    EIN 811062998 · Headquarters: BOYCEVILLE, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  68. Amateur Athletic Union of the United States Inc

    EIN 843201410 · Headquarters: Fredonia, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. Amercian Legion

    EIN 260079795 · Headquarters: OMRO, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Amercian Legion

    EIN 390860522 · Headquarters: Westby, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Amercian Legion

    EIN 391224444 · Headquarters: Cashton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Amercian Legion

    EIN 391459025 · Headquarters: Elmwood, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Amercian Legion

    EIN 391578833 · Headquarters: New Berlin, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Amercian Legion

    EIN 392017667 · Headquarters: St Cloud, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Amercian Legion

    EIN 396075430 · Headquarters: Chippewa Falls, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Amercian Legion

    EIN 396108530 · Headquarters: Osseo, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. America Legion

    EIN 396177195 · Headquarters: Wrightstown, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. American Academy of Cosmetic Dentistry Inc

    EIN 391544025 · Headquarters: MONONA, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  79. American Academy of Family Physicians- Wisconsin Academy

    EIN 390867817 · Headquarters: THIENSVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. American Academy of Matrimonial Lawyers

    EIN 391382297 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. American Alliance of Public Safety and Defense

    EIN 412558320 · Headquarters: DELAFIELD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. American Asociation of Physicians from India Wisconsin Inc

    EIN 391454936 · Headquarters: brookfield, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. American Assn of University Women-milw Branch

    EIN 390985290 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. American Assoc of Veterinary Anatomists Univ of Missouri Columb

    EIN 431088729 · Headquarters: Sun Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. American Association of Candy Technologists

    EIN 396159579 · Headquarters: Ripon, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. American Association of Candy Technologists National Chapter

    EIN 136161971 · Headquarters: PRINCETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. American Association of Family and Consumer Sciences

    EIN 396108553 · Headquarters: Custer, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. American Association of Healthcare Administrative Management

    EIN 272233092 · Headquarters: Fort Atkinson, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. American Association of Medical Audit Specialists

    EIN 650573775 · Headquarters: WALES, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  90. American Association of University Women

    EIN 237077121 · Headquarters: Eau Claire, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. American Association of University Women

    EIN 237182633 · Headquarters: Hartland, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  92. American Association of University Women

    EIN 237196633 · Headquarters: Tomah, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Association of University Women

    EIN 396046099 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. American Association of University Women

    EIN 396061768 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. American Association of University Women

    EIN 396061998 · Headquarters: Brookfield, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. American Association of University Women

    EIN 396063815 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. American Association of University Women

    EIN 396064735 · Headquarters: Caledonia, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. American Association of University Women

    EIN 396074103 · Headquarters: OShkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Association of University Women

    EIN 396075273 · Headquarters: Chippewa Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. American Association of University Women

    EIN 396075332 · Headquarters: Oakfield, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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