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 391376086 · Headquarters: Hilbert, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Knights of Columbus

    EIN 391384650 · Headquarters: Colgate, WI, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  3. Knights of Columbus

    EIN 391385964 · Headquarters: Mazomanie, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Knights of Columbus

    EIN 391387308 · Headquarters: Turtle Lake, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Knights of Columbus

    EIN 391396733 · Headquarters: Hortonville, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Knights of Columbus

    EIN 391430370 · Headquarters: Salem, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Knights of Columbus

    EIN 391458008 · Headquarters: MANITOWOC, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Knights of Columbus

    EIN 391458131 · Headquarters: Owen, WI, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  9. Knights of Columbus

    EIN 391476302 · Headquarters: Twin Lakes, WI, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  10. Knights of Columbus

    EIN 391482813 · Headquarters: Greenleaf, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Knights of Columbus

    EIN 391484894 · Headquarters: Janesville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Knights of Columbus

    EIN 391484897 · Headquarters: freedom, WI, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  13. Knights of Columbus

    EIN 391496226 · Headquarters: Merrill, WI, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  14. Knights of Columbus

    EIN 391496883 · Headquarters: coloma, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Knights of Columbus

    EIN 391497359 · Headquarters: New Richmond, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Knights of Columbus

    EIN 391502893 · Headquarters: Mayville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Knights of Columbus

    EIN 391518427 · Headquarters: Fennimore, WI, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  18. Knights of Columbus

    EIN 391518752 · Headquarters: Rhinelander, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Knights of Columbus

    EIN 391522834 · Headquarters: Marinette, WI, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  20. Knights of Columbus

    EIN 391524411 · Headquarters: RIO, WI, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  21. Knights of Columbus

    EIN 391531428 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Knights of Columbus

    EIN 391534579 · Headquarters: Hillsboro, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  23. Knights of Columbus

    EIN 391544705 · Headquarters: Janesville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Knights of Columbus

    EIN 391563703 · Headquarters: Hollandale, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Knights of Columbus

    EIN 391567558 · Headquarters: Crandon, WI, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  26. Knights of Columbus

    EIN 391568530 · Headquarters: Middleton, WI, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  27. Knights of Columbus

    EIN 391574591 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Knights of Columbus

    EIN 391575650 · Headquarters: Cazenovia, WI, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  29. Knights of Columbus

    EIN 391601871 · Headquarters: Fond Du Lac, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  30. Knights of Columbus

    EIN 391687353 · Headquarters: Rib Lake, WI, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  31. Knights of Columbus

    EIN 391690992 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Knights of Columbus

    EIN 391691713 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Knights of Columbus

    EIN 391695885 · Headquarters: MOUNT HOREB, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Knights of Columbus

    EIN 391701556 · Headquarters: Oshkosh, WI, US · Religion Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  35. Knights of Columbus

    EIN 391713432 · Headquarters: De Pere, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Knights of Columbus

    EIN 391720322 · Headquarters: Fall Creek, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Knights of Columbus

    EIN 391729782 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Knights of Columbus

    EIN 391733737 · Headquarters: LITTLE CHUTE, WI, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  39. Knights of Columbus

    EIN 391734937 · Headquarters: Holmen, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Knights of Columbus

    EIN 391735385 · Headquarters: Ridgeway, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Knights of Columbus

    EIN 391737217 · Headquarters: Evansville, WI, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  42. Knights of Columbus

    EIN 391739639 · Headquarters: Columbus, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Knights of Columbus

    EIN 391744140 · Headquarters: Menomonee Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  44. Knights of Columbus

    EIN 391752097 · Headquarters: Medford, WI, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  45. Knights of Columbus

    EIN 391764648 · Headquarters: Barneveld, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Knights of Columbus

    EIN 391768413 · Headquarters: Sheboygan Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Knights of Columbus

    EIN 391769385 · Headquarters: Belleville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Knights of Columbus

    EIN 391787748 · Headquarters: Campbellsport, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Knights of Columbus

    EIN 391793916 · Headquarters: Oshkosh, WI, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  50. Knights of Columbus

    EIN 391871747 · Headquarters: Fredonia, WI, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  51. Knights of Columbus

    EIN 391892631 · Headquarters: WINNECONNE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Knights of Columbus

    EIN 391929639 · Headquarters: Keshena, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Knights of Columbus

    EIN 391965224 · Headquarters: Eau Claire, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Knights of Columbus

    EIN 391967633 · Headquarters: Stoughton, WI, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Knights of Columbus

    EIN 391978363 · Headquarters: CUMBERLAND, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Knights of Columbus

    EIN 391989253 · Headquarters: Gays Mills, WI, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  57. Knights of Columbus

    EIN 391991378 · Headquarters: Slinger, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Knights of Columbus

    EIN 392009681 · Headquarters: Iron River, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. Knights of Columbus

    EIN 393067530 · Headquarters: Grafton, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Knights of Columbus

    EIN 395080636 · Headquarters: Pleasant Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Knights of Columbus

    EIN 396059188 · Headquarters: ELM GROVE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Knights of Columbus

    EIN 396062087 · Headquarters: wausau, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Knights of Columbus

    EIN 396066197 · Headquarters: Highland, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Knights of Columbus

    EIN 396067923 · Headquarters: Franklin, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Knights of Columbus

    EIN 396099942 · Headquarters: Racine, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Knights of Columbus

    EIN 396159575 · Headquarters: Boscobel, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Knights of Columbus

    EIN 396290589 · Headquarters: Minocqua, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Knights of Columbus

    EIN 421759224 · Headquarters: Wautoma, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. Knights of Columbus

    EIN 422509615 · Headquarters: Almond, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Knights of Columbus

    EIN 450779213 · Headquarters: CAMBRIDGE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Knights of Columbus

    EIN 451116729 · Headquarters: Beaver Dam, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Knights of Columbus

    EIN 451863741 · Headquarters: SUN PRAIRIE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Knights of Columbus

    EIN 454464529 · Headquarters: Stevens Point, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Knights of Columbus

    EIN 454967521 · Headquarters: Muskego, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Knights of Columbus

    EIN 462729954 · Headquarters: Richland Center, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Knights of Columbus

    EIN 462740867 · Headquarters: Burlington, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Knights of Columbus

    EIN 463019950 · Headquarters: Racine, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Knights of Columbus

    EIN 464003853 · Headquarters: Maiden Rock, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Knights of Columbus

    EIN 471685328 · Headquarters: Pleasant Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Knights of Columbus

    EIN 474135898 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Knights of Columbus

    EIN 474543784 · Headquarters: Greenville, WI, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  82. Knights of Columbus

    EIN 475334402 · Headquarters: Amery, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Knights of Columbus

    EIN 510135681 · Headquarters: Bloomer, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Knights of Columbus

    EIN 510135686 · Headquarters: Hayward, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Knights of Columbus

    EIN 510136268 · Headquarters: Belleville, WI, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Knights of Columbus

    EIN 510141894 · Headquarters: Milton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Knights of Columbus

    EIN 510141898 · Headquarters: Lake Geneva, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Knights of Columbus

    EIN 510141902 · Headquarters: GILMAN, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Knights of Columbus

    EIN 510141950 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  90. Knights of Columbus

    EIN 510179600 · Headquarters: Pound, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Knights of Columbus

    EIN 510179608 · Headquarters: Washburn, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  92. Knights of Columbus

    EIN 510179612 · Headquarters: Adams, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Knights of Columbus

    EIN 510179616 · Headquarters: MILWAUKEE, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Knights of Columbus

    EIN 510208519 · Headquarters: Somerset, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Knights of Columbus

    EIN 510214483 · Headquarters: GREEN BAY, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Knights of Columbus

    EIN 510229282 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Knights of Columbus

    EIN 611609316 · Headquarters: Manitowoc, WI, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  98. Knights of Columbus

    EIN 753202117 · Headquarters: Plover, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Knights of Columbus

    EIN 753265808 · Headquarters: BLACK RIVER FALLS, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Knights of Columbus

    EIN 800211801 · Headquarters: Suamico, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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