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. Knights of Columbus

    EIN 800250181 · Headquarters: West Salem, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Knights of Columbus

    EIN 800253003 · Headquarters: Brookfield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Knights of Columbus

    EIN 800874451 · Headquarters: WEST BEND, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Knights of Columbus

    EIN 810864114 · Headquarters: Janesville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Knights of Columbus

    EIN 812249368 · Headquarters: Hubertus, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Knights of Columbus

    EIN 812453300 · Headquarters: Merrill, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Knights of Columbus

    EIN 812665883 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Knights of Columbus

    EIN 815175807 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  9. Knights of Columbus

    EIN 822195613 · Headquarters: Saint Nazianz, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Knights of Columbus

    EIN 822289729 · Headquarters: Greenleaf, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Knights of Columbus

    EIN 822934839 · Headquarters: Oak Creek, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Knights of Columbus

    EIN 823738382 · Headquarters: Monona, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Knights of Columbus

    EIN 832347985 · Headquarters: River Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Knights of Columbus

    EIN 832545425 · Headquarters: Sauk City, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. Knights of Columbus

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

  16. Knights of Columbus

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

  17. Knights of Columbus

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

  18. Knights of Columbus

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

  19. Knights of Columbus

    EIN 900393903 · Headquarters: Osseo, WI, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  20. Knights of Columbus

    EIN 900519583 · Headquarters: GILMAN, WI, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  21. Knights of Columbus

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

  22. Knights of Columbus

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

  23. Knights of Columbus

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

  24. Knights of Columbus

    EIN 912028622 · Headquarters: Appleton, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Knights of Columbus

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

  26. Knights of Columbus

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

  27. Knights of Columbus

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

  28. Knights of Columbus

    EIN 930713581 · Headquarters: Oconto Falls, WI, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  29. Knights of Columbus

    EIN 930730461 · Headquarters: Arcadia, WI, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  30. Knights of Columbus

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

  31. Knights of Columbus

    EIN 930736844 · Headquarters: NEILLSVILLE, WI, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Knights of Columbus

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

  33. Knights of Columbus

    EIN 930762588 · Headquarters: Mellen, WI, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  34. Knights of Columbus

    EIN 930765292 · Headquarters: Cameron, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Knights of Columbus

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

  36. Knights of Columbus

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

  37. Knights of Columbus

    EIN 943450993 · Headquarters: Clintonville, WI, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  38. Knights of Columbus

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

  39. Knights of Columbus

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

  40. Knights of Columbus #4735

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

  41. Knights of Columbus - Sheboygan Columbus Institute

    EIN 390946165 · Headquarters: SHEBOYGAN, WI, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. 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

  43. Knights of Columbus -4Th Degree

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

  44. Knights of Columbus 1203 Pope John Xxiii

    EIN 237547574 · Headquarters: Mondovi, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Knights of Columbus 1471

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

  46. Knights of Columbus 1654 Arcadia Council

    EIN 237216325 · Headquarters: Arcadia, WI, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  47. 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

  48. 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

  49. Knights of Columbus 2990 Bishop Rhode

    EIN 237546330 · Headquarters: Seymour, WI, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  50. 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

  51. Knights of Columbus 4948 Jean Brumet Council

    EIN 237142401 · Headquarters: Cornell, WI, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  52. 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

  53. Knights of Columbus All Saints Corporation

    EIN 237264795 · Headquarters: Menomonee Falls, WI, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Knights of Columbus Blackhawk Assembly 2464

    EIN 391890981 · Headquarters: darlington, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Knights of Columbus Building Corporation

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

  56. Knights of Columbus Campion Council No 1840

    EIN 396108659 · Headquarters: Prairie Du Chien, WI, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  57. Knights of Columbus Coucil 1922

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

  58. Knights of Columbus Council #6460

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

  59. Knights of Columbus Council 1501

    EIN 396083511 · Headquarters: Shullsburg, WI, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  60. Knights of Columbus Council 16280

    EIN 475173162 · Headquarters: Marathon, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Knights of Columbus Council 1964 Charities Inc

    EIN 862980670 · Headquarters: West Bend, WI, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Knights of Columbus Council 3450

    EIN 237546336 · Headquarters: SPRING GREEN, WI, USA · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-EZ

  63. Knights of Columbus Council 3464

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

  64. Knights of Columbus Council 607 Charitable Foundation Inc

    EIN 814452096 · Headquarters: Appleton, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Knights of Columbus Council 6585

    EIN 521561146 · Headquarters: Bloomer, WI, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  66. Knights of Columbus Council 6599

    EIN 510135706 · Headquarters: Elmwood, WI, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. 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

  68. 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

  69. Knights of Columbus Council 710

    EIN 510203504 · Headquarters: MANITOWOC, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. 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

  71. Knights of Columbus Fourth Degree 2847 Father Damien

    EIN 237547592 · Headquarters: Niagara, WI, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  72. Knights of Columbus Fourth Degree Msgr John R Mcginley

    EIN 237547586 · Headquarters: Stevens Point, WI, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  73. 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

  74. Knights of Columbus Fr Trantow Council 5415

    EIN 237108202 · Headquarters: EAGLE RIVER, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. 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

  76. Knights of Columbus Marinette Council 719

    EIN 237546262 · Headquarters: MARINETTE, WI, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Knights of Columbus Msgnc Saile Council

    EIN 237216181 · Headquarters: DEERBROOK, WI, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  78. 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

  79. 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

  80. 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

  81. Knights of Columbus Ss Edward Isidore Council 10260

    EIN 391663507 · Headquarters: greenbay, WI, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  82. Knights of Columbus St Louis Council 17149 Dyckesville

    EIN 832812171 · Headquarters: Luxemburg, WI, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Knights of Columbus St Thomas Council No 605

    EIN 390399837 · Headquarters: Beloit, WI, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Knights of Columbus-holy Mother of Consolation Council 13480

    EIN 900160266 · Headquarters: Oregon, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. 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

  86. Knights of Divine Mercy Llc

    EIN 271335099 · Headquarters: Cross Plains, WI, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  87. Knights of Peter Claver

    EIN 462059066 · Headquarters: Milwaukee, WI, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  88. Knights of Peter Claver

    EIN 462599643 · Headquarters: Brown Deer, WI, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  89. Knights of Peter Claver

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

  90. Knights of Pythias

    EIN 396081817 · Headquarters: Oconomowoc, WI, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  91. Knights of Pythias of Wisconsin

    EIN 237028088 · Headquarters: Oconomowoc, WI, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  92. Knights Templar Club Inc

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

  93. 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

  94. Knights Templar of the United States of America

    EIN 237135697 · Headquarters: Brookfield, WI, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  95. Knights Templar of the United States of America

    EIN 237136529 · Headquarters: Racine, WI, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  96. Knights Templar of the United States of America

    EIN 237136597 · Headquarters: Chippewa Falls, WI, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  97. Knights Templar of the United States of America

    EIN 237146067 · Headquarters: West Bend, WI, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  98. 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

  99. Knights Templar of the United States of America

    EIN 237619586 · Headquarters: janesville, WI, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  100. 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

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