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. Inter-organization Council of Bay View Inc

    EIN 611590772 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Interamerican Workshop Inc

    EIN 391198584 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Interfaith Housing Foundation of Wisconsin & Upper Michigan Inc

    EIN 391718522 · Headquarters: POYNETTE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Interlochen Woods Inc

    EIN 391463046 · Headquarters: HAZELHURST, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Intermission Theatre

    EIN 460990922 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  6. International Aerobatic Club Inc

    EIN 237067946 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. International Alliance of Theatrical Sta Local 18 Welfare Fund

    EIN 396076039 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. International Alliance of Theatrical Stage Employees - Local 18

    EIN 390478315 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. International Alliance Theatrical

    EIN 391027585 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. International Alliance Theatrical Stage Employees & Moving Picture M

    EIN 396105264 · Headquarters: TOMAHAWK, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. International Assc of Lions-Ettrick

    EIN 396093831 · Headquarters: Ettrick, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. International Assn of Fire Fighters

    EIN 396077785 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. International Assn of Lion Clubs

    EIN 237260189 · Headquarters: BEAR CREEK, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. International Assn of Lions Clubs

    EIN 391311501 · Headquarters: EDEN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. International Assoc Machinists & Aerospace Workers Lodge 1862

    EIN 390740032 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. International Assoc of Fire Fighters Loc 580

    EIN 396077995 · Headquarters: JANESVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. International Assoc of Firefighters #487 Eau Claire

    EIN 396058664 · Headquarters: EAU CLAIRE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. INTERNATIONAL ASSOC OF LIONS CLUBS Iron River Lions Club

    EIN 237159369 · Headquarters: Iron River, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  19. International Assoc of Lions Clubs-webster Wi

    EIN 396104940 · Headquarters: WEBSTER, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. International Assoc of Lions- Pittsville Wi Chapter

    EIN 900414319 · Headquarters: PITTSVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. International Assocation of Fire Fighters Local 4854 Germantown

    EIN 275378142 · Headquarters: Germantown, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  22. International Associaiton of Lions Clubs

    EIN 237052637 · Headquarters: SHERWOOD, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. International Associaiton of Lions Clubs

    EIN 237238560 · Headquarters: RICHLAND CENTER, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. International Association for Clear Thinking Inc

    EIN 616966394 · Headquarters: APPLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  25. International Association for Human Resource Information Management Inc

    EIN 942725931 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. International Association for Orthodontic

    EIN 952143862 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. International Association of 621

    EIN 396008186 · Headquarters: Ashland, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. International Association of Administrative Professionals

    EIN 300765611 · Headquarters: Tomahawk, WI, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  29. International Association of Electrical Inspectors

    EIN 237142082 · Headquarters: New Berlin, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. International Association of Fire Fighters

    EIN 237062855 · Headquarters: Rice Lake, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. International Association of Fire Fighters

    EIN 237110819 · Headquarters: Greenfield, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. International Association of Fire Fighters

    EIN 237297404 · Headquarters: Greendale, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. International Association of Fire Fighters

    EIN 352395652 · Headquarters: Somers, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. International Association of Fire Fighters

    EIN 391383400 · Headquarters: Sturgeon Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. International Association of Fire Fighters

    EIN 391515640 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. International Association of Fire Fighters

    EIN 391908053 · Headquarters: Pleasant Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. International Association of Fire Fighters

    EIN 392743109 · Headquarters: MARSHFIELD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. International Association of Fire Fighters

    EIN 396075496 · Headquarters: Ashland, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. International Association of Fire Fighters

    EIN 396075737 · Headquarters: MANITOWOC, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. International Association of Fire Fighters

    EIN 396075978 · Headquarters: Merrill, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. International Association of Fire Fighters

    EIN 396075982 · Headquarters: Stevens Point, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. International Association of Fire Fighters

    EIN 396075983 · Headquarters: Wisconsin Rapids, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. International Association of Fire Fighters

    EIN 396075999 · Headquarters: TWO RIVERS, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  44. International Association of Fire Fighters

    EIN 396076334 · Headquarters: Marinette, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  45. International Association of Fire Fighters

    EIN 396078002 · Headquarters: FOND DU LAC, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. International Association of Fire Fighters

    EIN 396096872 · Headquarters: South Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. International Association of Fire Fighters

    EIN 450505085 · Headquarters: Bristol, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. International Association of Fire Fighters

    EIN 464917764 · Headquarters: STURGEON BAY, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  49. International Association of Fire Fighters

    EIN 473844294 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  50. International Association of Fire Fighters

    EIN 510250997 · Headquarters: Caledonia, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. International Association of Fire Fighters

    EIN 900776944 · Headquarters: New Berlin, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. International Association of Fire Fighters

    EIN 912004469 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. International Association of Fire Fighters

    EIN 930761106 · Headquarters: Saint Francis, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. International Association of Fire Fighters

    EIN 930787382 · Headquarters: Portage, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. International Association of Fire Fighters A0047

    EIN 391744492 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. International Association of Fire Fighters L342 West Allis

    EIN 396075997 · Headquarters: HARTLAND, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. International Association of Fire Fighters Local 407

    EIN 396052858 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. International Association of Fire Fighters Oshkosh L0316

    EIN 396076460 · Headquarters: Oshkosh, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. International Association of Fire Fighters South Shore Local 2939

    EIN 391545443 · Headquarters: MT PLEASANT, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. International Association of Firefighters 414

    EIN 396077809 · Headquarters: KENOSHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. International Association of Firefighters Brookfield Local 2051

    EIN 237180272 · Headquarters: BROOKFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. International Association of Firefighters L3879

    EIN 391953472 · Headquarters: Menomonee Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. International Association of Firefighters Local 321

    EIN 396075981 · Headquarters: RACINE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. International Association of Firefighters Local 74

    EIN 396076015 · Headquarters: Superior, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. International Association of Lions

    EIN 237158495 · Headquarters: Okauchee, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. International Association of Lions

    EIN 237196427 · Headquarters: ELKHART LAKE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. International Association of Lions

    EIN 391457073 · Headquarters: Whitewater, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. International Association of Lions

    EIN 391556715 · Headquarters: SHAWANO, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. International Association of Lions

    EIN 396083836 · Headquarters: FORT ATKINSON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. International Association of Lions - Woodville Wi

    EIN 237152605 · Headquarters: WOODVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. International Association of Lions 10363 Wind Lake

    EIN 391297793 · Headquarters: WATERFORD, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. International Association of Lions 10532 Grand Rapids

    EIN 237287927 · Headquarters: WISCONSIN RAPIDS, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. International Association of Lions 10678 Augusta

    EIN 396083868 · Headquarters: AUGUSTA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. International Association of Lions Casco Lions Club

    EIN 237439073 · Headquarters: NEW FRANKEN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. International Association of Lions Club

    EIN 391280337 · Headquarters: STURGEON BAY, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. International Association of Lions Club

    EIN 391615610 · Headquarters: Wabeno, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. International Association of Lions Club

    EIN 392012393 · Headquarters: Lancaster, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. International Association of Lions Club

    EIN 396093813 · Headquarters: CUBA CITY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. International Association of Lions Club

    EIN 854021043 · Headquarters: Sayner, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. International Association of Lions Club Racine Wis

    EIN 396078401 · Headquarters: Racine, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. International Association of Lions Clubs

    EIN 237024241 · Headquarters: Fairchild, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. International Association of Lions Clubs

    EIN 237024692 · Headquarters: DEPERE, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. International Association of Lions Clubs

    EIN 237025364 · Headquarters: Rosendale, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. International Association of Lions Clubs

    EIN 237025365 · Headquarters: Melrose, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  85. International Association of Lions Clubs

    EIN 237052197 · Headquarters: Alma, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. International Association of Lions Clubs

    EIN 237052634 · Headquarters: LOYAL, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. International Association of Lions Clubs

    EIN 237054695 · Headquarters: Osseo, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  88. International Association of Lions Clubs

    EIN 237059621 · Headquarters: Lomira, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. International Association of Lions Clubs

    EIN 237061536 · Headquarters: Stone Lake, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. International Association of Lions Clubs

    EIN 237064509 · Headquarters: Saint Francis, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. International Association of Lions Clubs

    EIN 237065788 · Headquarters: Rudolph, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. International Association of Lions Clubs

    EIN 237067948 · Headquarters: Kewaskum, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. International Association of Lions Clubs

    EIN 237089225 · Headquarters: Lake Tomahawk, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. International Association of Lions Clubs

    EIN 237104526 · Headquarters: HIGHLAND, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. International Association of Lions Clubs

    EIN 237115533 · Headquarters: LUXEMBURG, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. International Association of Lions Clubs

    EIN 237115534 · Headquarters: Lake Mills, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. International Association of Lions Clubs

    EIN 237115539 · Headquarters: Stevens Point, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  98. International Association of Lions Clubs

    EIN 237128058 · Headquarters: Winchester, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. International Association of Lions Clubs

    EIN 237137703 · Headquarters: BERLIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. International Association of Lions Clubs

    EIN 237152601 · Headquarters: JANESVILLE, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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