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. National Institute and Association for Minorities

    EIN 832813502 · Headquarters: MILWAUKEE, WI, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990

  2. National Institute for Medical Informatics Inc

    EIN 201382050 · Headquarters: MILWAUKEE, WI, USA · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990

  3. National Institute of Governmental Purchasing Inc

    EIN 711041808 · Headquarters: Elkhorn, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. National Italian Charitable Trust

    EIN 392027786 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. National Kale Day Inc

    EIN 472709473 · Headquarters: Hubertus, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  6. National Kidney Foundation of Wisconsin Inc

    EIN 391133761 · Headquarters: West Allis, WI, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. National Kitchen & Bath Assoc

    EIN 391674732 · Headquarters: Lomira, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. National Landowners Federation Assoc

    EIN 880870181 · Headquarters: Hudson, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  9. National Latino Law Enforcement Organization Milwaukee Chapter Inc

    EIN 473724748 · Headquarters: Milwaukee, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. National League of Postmasters Wisconsin

    EIN 390756664 · Headquarters: ARENA, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  11. National Lumbering Hall of Fame Foundation Inc

    EIN 391534062 · Headquarters: Rice Lake, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. National Mastitis Research Foundation Ltd

    EIN 391731185 · Headquarters: Verona, WI, US · Science & Technology · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  13. National Motorists Association Inc

    EIN 391951971 · Headquarters: WAUNAKEE, WI, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. National Multiple Sclerosis Society Wisconsin Chapter

    EIN 391139220 · Headquarters: HARTLAND, WI, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  15. National Museum of Republican Presidents Inc

    EIN 274674879 · Headquarters: Milwaukee, WI, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  16. National Mustard Museum Inc

    EIN 274810858 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. National Mutual Benefit

    EIN 237429780 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  18. National Mutual Benefit

    EIN 237530452 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  19. National Mutual Benefit

    EIN 237530459 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  20. National Mutual Benefit

    EIN 237530474 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  21. National Mutual Benefit

    EIN 237530482 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  22. National Mutual Benefit

    EIN 237563598 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  23. National Mutual Benefit

    EIN 237563600 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  24. National Mutual Benefit

    EIN 237563617 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  25. National Mutual Benefit

    EIN 237563638 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  26. National Mutual Benefit

    EIN 237563647 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. National Mutual Benefit

    EIN 237563656 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  28. National Mutual Benefit

    EIN 237563663 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  29. National Mutual Benefit

    EIN 237563667 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  30. National Mutual Benefit

    EIN 237563668 · Headquarters: Madison, WI, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  31. National Mutual Benefit

    EIN 237563676 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  32. National Mutual Benefit

    EIN 237563687 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  33. National Mutual Benefit

    EIN 237563689 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  34. National Mutual Benefit

    EIN 237563691 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  35. National Mutual Benefit

    EIN 237563694 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  36. National Mutual Benefit

    EIN 237563734 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  37. National Mutual Benefit

    EIN 237563737 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  38. National Mutual Benefit

    EIN 237563750 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  39. National Mutual Benefit

    EIN 237563761 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  40. National Mutual Benefit

    EIN 237563766 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  41. National Mutual Benefit

    EIN 263693269 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  42. National Mutual Benefit

    EIN 273646348 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  43. National Mutual Benefit

    EIN 363208362 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  44. National Mutual Benefit

    EIN 363555509 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  45. National Mutual Benefit

    EIN 363749041 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  46. National Mutual Benefit

    EIN 364112870 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  47. National Mutual Benefit

    EIN 411933049 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  48. National Mutual Benefit

    EIN 411940362 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  49. National Mutual Benefit

    EIN 450354599 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  50. National Mutual Benefit

    EIN 450379273 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  51. National Mutual Benefit

    EIN 463432367 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  52. National Mutual Benefit

    EIN 743062141 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  53. National Mutual Benefit

    EIN 911998825 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  54. National Mutual Benefit

    EIN 912066747 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  55. National Mutual Benefit

    EIN 912066749 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  56. National Mutual Benefit

    EIN 930732474 · Headquarters: Madison, WI, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  57. National Network of Abortion Funds

    EIN 391874477 · Headquarters: MARSHFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. National Niemann-pick Disease Foundation Inc

    EIN 351844264 · Headquarters: FORT ATKINSON, WI, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. National Ohv Insurance & Services Group Inc

    EIN 392010542 · Headquarters: SHEBOYGAN, WI, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2023 · Primary form: IRS Form 990

  60. National One Church One Child

    EIN 201070397 · Headquarters: Two Rivers, WI, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. National Oraganization of Black Law Enforcement Executives-noble

    EIN 920305797 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. National Organization for Women Inc

    EIN 391654879 · Headquarters: Sparta, WI, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  63. National Organization for Women Inc

    EIN 510241981 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  64. National Organization for Women Inc

    EIN 510241983 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  65. National Organization for Women Inc

    EIN 521210185 · Headquarters: Wauwatosa, WI, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  66. National Organization for Women Inc

    EIN 521240604 · Headquarters: Appleton, WI, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  67. National Organization for Women-appleton Area

    EIN 991961997 · Headquarters: Menasha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. National Organization of Clovia

    EIN 486127602 · Headquarters: Eleva, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. National Organization of Mothers of Twins Clubs Inc

    EIN 260782553 · Headquarters: Appleton, WI, US · Human Services · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  70. National Organization of Mothers of Twins Clubs Inc

    EIN 391459152 · Headquarters: MILWAUKEE, WI, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  71. National Personhood Alliance Educational Trust Fund

    EIN 471116919 · Headquarters: Brookfield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. National Professional Basketball Association Inc

    EIN 850501963 · Headquarters: Milwaukee, WI, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  73. National Railroad Museum Inc

    EIN 396031429 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. National Republican History Museum Foundation Inc

    EIN 473362144 · Headquarters: RIPON, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. National Rural Letter Carriers Association

    EIN 237234691 · Headquarters: SHELDON, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  76. National Rural Letter Carriers Association

    EIN 237234692 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. National Rural Letter Carriers Association

    EIN 237234693 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. National Rural Letter Carriers Association

    EIN 237234696 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. National Rural Letter Carriers Association

    EIN 237234697 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. National Rural Letter Carriers Association

    EIN 237234700 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. National Rural Letter Carriers Association

    EIN 237234702 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. National Rural Letter Carriers Association

    EIN 237234704 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. National Rural Letter Carriers Association

    EIN 237234707 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. National Rural Letter Carriers Association

    EIN 237234708 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. National Rural Letter Carriers Association

    EIN 237234709 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. National Rural Letter Carriers Association

    EIN 237234710 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. National Rural Letter Carriers Association

    EIN 237234712 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. National Rural Letter Carriers Association

    EIN 237234713 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. National Rural Letter Carriers Association

    EIN 237234715 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. National Rural Letter Carriers Association

    EIN 237234716 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. National Rural Letter Carriers Association

    EIN 237234717 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. National Rural Letter Carriers Association

    EIN 237234718 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. National Rural Letter Carriers Association

    EIN 237234719 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. National Rural Letter Carriers Association

    EIN 237234720 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. National Rural Letter Carriers Association

    EIN 237234721 · Headquarters: MONROE, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  96. National Rural Letter Carriers Association

    EIN 237234723 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. National Rural Letter Carriers Association

    EIN 237234725 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. National Rural Letter Carriers Association

    EIN 237234726 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. National Rural Letter Carriers Association

    EIN 237234727 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. National Rural Letter Carriers Association

    EIN 237234728 · Headquarters: BALDWIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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