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. Knights of Columbus

    EIN 843539063 · Headquarters: Athens, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  2. Knights of Columbus

    EIN 844838981 · Headquarters: Spring Valley, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Knights of Columbus

    EIN 882277186 · Headquarters: Fitchburg, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Knights of Columbus

    EIN 900343170 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Knights of Columbus

    EIN 900590578 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Knights of Columbus

    EIN 900677173 · Headquarters: St Croix Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Knights of Columbus

    EIN 911983158 · Headquarters: Seneca, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Knights of Columbus

    EIN 912028632 · Headquarters: Balsam Lake, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Knights of Columbus

    EIN 912071739 · Headquarters: Sullivan, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Knights of Columbus

    EIN 912091891 · Headquarters: coloma, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Knights of Columbus

    EIN 930734261 · Headquarters: BUTTERNUT, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Knights of Columbus

    EIN 930757368 · Headquarters: Kewaunee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Knights of Columbus

    EIN 930832622 · Headquarters: Elkhorn, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Knights of Columbus

    EIN 930854538 · Headquarters: Tomah, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Knights of Columbus

    EIN 991064672 · Headquarters: Mt Calvary, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Knights of Columbus

    EIN 992579502 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Knights of Columbus #4735

    EIN 396050979 · Headquarters: Green Bay, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Knights of Columbus - St John Neumann Council #973

    EIN 390399838 · Headquarters: KENOSHA, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Knights of Columbus -4Th Degree

    EIN 923306126 · Headquarters: MARSHFIELD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Knights of Columbus 1471

    EIN 237110971 · Headquarters: Monroe, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Knights of Columbus 1709 South Milwaukee Council

    EIN 237142706 · Headquarters: South Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Knights of Columbus 2210 Rt Rev Monsignor Heimann

    EIN 843299125 · Headquarters: Algoma, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Knights of Columbus 3955 Abbott Pennings Council

    EIN 237116316 · Headquarters: De Pere, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. Knights of Columbus 9371 Almena Cou

    EIN 391567532 · Headquarters: ALMENA, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  25. Knights of Columbus Building Corporation

    EIN 391147264 · Headquarters: Ladysmith, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Knights of Columbus Coucil 1922

    EIN 237142742 · Headquarters: CLINTONVILLE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Knights of Columbus Council #6460

    EIN 237383052 · Headquarters: DEFOREST, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Knights of Columbus Council 3464

    EIN 237184896 · Headquarters: ELKHORN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Knights of Columbus Council 664

    EIN 390399846 · Headquarters: FOND DU LAC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Knights of Columbus Council 664 Ladies Auxiliary

    EIN 274198544 · Headquarters: Fond du Lac, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Knights of Columbus Dr Cw Henney Council #1637

    EIN 237107910 · Headquarters: PORTAGE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Knights of Columbus Fr Maximilian Kolbe Assembly 1782

    EIN 391408050 · Headquarters: Pound, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Knights of Columbus Holy Family Council #4879

    EIN 237211118 · Headquarters: SUN PRAIRIE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Knights of Columbus Oscela Council 6567 Inc

    EIN 510141907 · Headquarters: Osceola, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Knights of Columbus Our Lady of Lourdes Council 614

    EIN 352396123 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Knights of Columbus Sacred Heart Council 14478

    EIN 261287662 · Headquarters: Horicon, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Knights of Columbus-Lakeland Council 4579

    EIN 237546359 · Headquarters: East Troy, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Knights of Peter Claver

    EIN 814867054 · Headquarters: milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  39. Knights Templar Club Inc

    EIN 390399994 · Headquarters: SUMMIT LAKE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Knights Templar Educational Foundation of the Grand Encampment

    EIN 396075723 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  41. Knights Templar of the United States of America

    EIN 237188584 · Headquarters: Eau Claire, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Knights Templar of the United States of America

    EIN 237619587 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Knights Templar of the United States of America

    EIN 237619591 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Knights Templar of the United States of America

    EIN 237619594 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Knights Templar of the United States of America

    EIN 237619597 · Headquarters: Marinette, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Knights Templar of the United States of America

    EIN 237619612 · Headquarters: Burlington, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Knights Templar of the United States of America

    EIN 390399991 · Headquarters: Brookfield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Knightwind Ensemble Ltd

    EIN 391265687 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Knowcafos Inc

    EIN 841752203 · Headquarters: GRANTSBURG, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Knowledge Systems for Sustainability Consortium

    EIN 814457732 · Headquarters: Blue Mounds, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Knowles Volunteer Fire Department

    EIN 902372795 · Headquarters: Lomira, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Kohler Education Association

    EIN 237085613 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Kohler Education Support Personnel Association

    EIN 391653656 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Kohler Foundation Inc

    EIN 390810536 · Headquarters: KOHLER, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  55. Kohlsville Kruisers Snowmobile Club Inc

    EIN 510180808 · Headquarters: Allenton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Kolaga Family Charitable Trust

    EIN 396281716 · Headquarters: Pewaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  57. Komatsu Mining Corp Foundation Inc

    EIN 391659070 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  58. Koreys Kids Inc

    EIN 874830519 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Koshkonong Prairie Historical Society Inc

    EIN 930837891 · Headquarters: CAMBRIDGE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Koss Foundation Inc

    EIN 391098935 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  61. Kraemer Brothers Inc Short Term Disability Plan Trust

    EIN 391679848 · Headquarters: Plain, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Krakow High Noon Riders Inc

    EIN 680674546 · Headquarters: Pulaski, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Krause Family Foundation Inc

    EIN 396044820 · Headquarters: MEQUON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  64. Krause Foundation Inc

    EIN 391571437 · Headquarters: IOLA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  65. Krepline Strong

    EIN 921306696 · Headquarters: VALDERS, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Kroozers of Northern Illinoiz Inc

    EIN 364258458 · Headquarters: GENOA CITY, WI, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  67. Kupfahl-meyer-scheib American Post 387

    EIN 396077844 · Headquarters: PLYMOUTH, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  68. Kwetu Fund Co

    EIN 843742314 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. Kyle Ertmer Skilled Trades Scholarship Fund Inc

    EIN 921328488 · Headquarters: Merrimac, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Kylynns Helpers

    EIN 464519836 · Headquarters: MONDOVI, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  71. L & L Tree Dodgers

    EIN 391503683 · Headquarters: MERRILL, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. L E Phillips Boy Scout Camp Trust

    EIN 396319102 · Headquarters: EAU CLAIRE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. L E Phillips Family Foundation Inc

    EIN 396046126 · Headquarters: EAU CLAIRE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  74. L O a F Inc

    EIN 861980632 · Headquarters: Pewaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. L Swain FBO Luther Valley Lutheran Church

    EIN 396783092 · Headquarters: Beloit, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  76. L-c Area Running Club Inc

    EIN 811029062 · Headquarters: Luxemburg, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. L2771wi Waupaca Co Ct Hum Svc Sheri

    EIN 391454747 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. La Baie Verte Rowing Club Inc

    EIN 391608880 · Headquarters: Denmark, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. La Casa De Esperanza

    EIN 391144446 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. La Casa Evangelica Inc

    EIN 391295663 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. La Crosse Amateur Retrievers Club

    EIN 824568508 · Headquarters: MINDORO, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. La Crosse Apartment Owners Association Inc

    EIN 391685772 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  83. La Crosse Area Astronomical Society

    EIN 391326019 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. La Crosse Area Builders Association Inc

    EIN 391669648 · Headquarters: ONALASKA, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. La Crosse Area Crime Stoppers Inc

    EIN 391480320 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. La Crosse Area Development Corp

    EIN 391168327 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. La Crosse Area Family Young Men's Christian Association Inc

    EIN 390806172 · Headquarters: La Crosse, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. La Crosse Area Rea

    EIN 271700163 · Headquarters: Holmen, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. La Crosse Area Synod - Elca

    EIN 363514260 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  90. La Crosse Boychoir Inc

    EIN 510187628 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. La Crosse Builders Exchange Inc

    EIN 390944570 · Headquarters: La Crosse, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. La Crosse Central Booster Club Inc

    EIN 391826764 · Headquarters: LA CROSSE, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. La Crosse Chamber Chorale Inc

    EIN 391727453 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. La Crosse City Vision Foundation Inc

    EIN 391794887 · Headquarters: La Crosse, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  95. La Crosse Commandry Number 9

    EIN 814610746 · Headquarters: sparta, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  96. La Crosse Country Club Inc

    EIN 390414552 · Headquarters: ONALASKA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. La Crosse County Historical Society

    EIN 391228755 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. La Crosse County Medical Society

    EIN 396067937 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. La Crosse Festivals Inc

    EIN 391050485 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. La Crosse Jail Ministry Inc

    EIN 391455213 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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