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. Interfaith Food Pantry of Portage County Inc

    EIN 300588685 · Headquarters: PLOVER, WI, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. 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

  3. Interfaith Older Adult Programs Inc

    EIN 391217963 · Headquarters: MILWAUKEE, WI, USA · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990

  4. Interfaith Peace Working Group

    EIN 922752434 · Headquarters: MADISON, WI, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Interfaith Vol Caregivers of Burnett County Inc

    EIN 391928404 · Headquarters: WEBSTER, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. Interfaith Volunteer Caregivers of Clark County

    EIN 391919396 · Headquarters: Neillsville, WI, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Interfaith Volunteer Network

    EIN 391937708 · Headquarters: Baraboo, WI, US · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  8. Interfraternity Council of the University of Wisconsin-madison

    EIN 391708225 · Headquarters: MADISON, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Intergenerational East Troy

    EIN 842624993 · Headquarters: EAST TROY, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Interior Design Coalition of Wisconsin Inc

    EIN 391605916 · Headquarters: Milwaukee, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  11. Interlochen Woods Inc

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

  12. Intermediate Womens Club of Beloit

    EIN 237180734 · Headquarters: Beloit, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Intermezzo Gardens Foundation

    EIN 206590780 · Headquarters: PEWAUKEE, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  14. Intermission Theatre

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

  15. International Academy of Wood Science

    EIN 680387256 · Headquarters: Madison, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. International Adam Smith Society

    EIN 263370379 · Headquarters: Madison, WI, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. International Aerobatic Club Inc

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

  18. International Affiliation of Crime Stoppers Inc

    EIN 812894748 · Headquarters: Racine, WI, US · Crime & Legal Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  19. International Alliance for Phytobiomes Research Inc

    EIN 812788796 · Headquarters: EAU CLAIRE, WI, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. 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

  21. 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

  22. International Alliance Theatrical

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

  23. International Alliance Theatrical Stage Empl & Moving Pic Mach Oper

    EIN 390769282 · Headquarters: LACROSSE, WI, US · Employment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  24. 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

  25. International Angels Inc

    EIN 922607354 · Headquarters: Lake Delton, WI, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. International Assc of Lions-Ettrick

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

  27. International Assn of Fire Fighters

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

  28. 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

  29. International Assn of Lions Clubs

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

  30. 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

  31. 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

  32. 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

  33. International Assoc of Lions - Freedom

    EIN 933577887 · Headquarters: KAUKAUNA, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. 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

  35. 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

  36. 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

  37. 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

  38. International Associaiton of Lions Clubs

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

  39. 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

  40. International Associaiton of Lions Clubs

    EIN 396095399 · Headquarters: Schofield, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  41. International Association for Aesthetics Co

    EIN 815133404 · Headquarters: RIVER HILLS, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. International Association for Astronomical Studies

    EIN 464747887 · Headquarters: Altoona, WI, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. 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

  44. 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

  45. International Association for Orthodontic

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

  46. International Association for Regenerative Therapy Inc

    EIN 832912157 · Headquarters: BARNEVELD, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. International Association of 621

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

  48. International Association of Administrative Professional

    EIN 412045428 · Headquarters: Madison, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  49. International Association of Administrative Professionals

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

  50. International Association of Administrative Professionals

    EIN 391357260 · Headquarters: Menomonie, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  51. International Association of Administrative Professionals

    EIN 391752993 · Headquarters: Green Bay, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  52. International Association of Administrative Professionals

    EIN 391884809 · Headquarters: West Allis, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  53. International Association of Administrative Professionals

    EIN 391989031 · Headquarters: Seymour, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  54. International Association of Administrative Professionals

    EIN 396045239 · Headquarters: Fond du Lac, WI, US · International, Foreign Affairs & National Security · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  55. International Association of Administrative Professionals

    EIN 396064410 · Headquarters: Madison, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  56. International Association of Administrative Professionals

    EIN 396073811 · Headquarters: Greenfield, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  57. International Association of Administrative Professionals

    EIN 396074998 · Headquarters: Little Chute, WI, US · International, Foreign Affairs & National Security · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  58. International Association of Administrative Professionals

    EIN 396075542 · Headquarters: Milton, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  59. International Association of Administrative Professionals

    EIN 396076711 · Headquarters: Bristol, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  60. International Association of Administrative Professionals

    EIN 396077451 · Headquarters: Lodi, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  61. International Association of Administrative Professionals

    EIN 396081524 · Headquarters: Wausau, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  62. International Association of Administrative Professionals

    EIN 861151103 · Headquarters: Milwaukee, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  63. International Association of Administrative Professionals

    EIN 900397844 · Headquarters: Sheboygan Falls, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  64. International Association of Administrative Proffesionals

    EIN 030454957 · Headquarters: Milwaukee, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  65. International Association of Agricultural Economists Inc

    EIN 461363452 · Headquarters: APPLETON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. International Association of Eating Disorders Professional Foundation

    EIN 871239979 · Headquarters: Mequon, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. 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

  68. 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

  69. International Association of Fire Fighters

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

  70. International Association of Fire Fighters

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

  71. International Association of Fire Fighters

    EIN 237453939 · Headquarters: Beloit, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  72. International Association of Fire Fighters

    EIN 300773731 · Headquarters: Sussex, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  73. International Association of Fire Fighters

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

  74. International Association of Fire Fighters

    EIN 391237973 · Headquarters: Green Bay, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  75. 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

  76. International Association of Fire Fighters

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

  77. International Association of Fire Fighters

    EIN 391681472 · Headquarters: Green Bay, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  78. 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

  79. International Association of Fire Fighters

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

  80. International Association of Fire Fighters

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

  81. International Association of Fire Fighters

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

  82. International Association of Fire Fighters

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

  83. 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

  84. 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

  85. 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

  86. International Association of Fire Fighters

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

  87. 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

  88. 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

  89. International Association of Fire Fighters

    EIN 450477630 · Headquarters: Onalaska, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  90. International Association of Fire Fighters

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

  91. 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

  92. International Association of Fire Fighters

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

  93. International Association of Fire Fighters

    EIN 510250996 · Headquarters: Oconto, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  94. International Association of Fire Fighters

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

  95. 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

  96. International Association of Fire Fighters

    EIN 912004466 · Headquarters: Beaver Dam, WI, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. International Association of Fire Fighters

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

  98. 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

  99. International Association of Fire Fighters

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

  100. International Association of Fire Fighters 1848 Local Oak Creek

    EIN 391774697 · Headquarters: OAK CREEK, WI, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

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