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. Wisconsin Right to Life Inc

    EIN 391150264 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Wisconsin Right to Life Inc Calumet County

    EIN 391578016 · Headquarters: Hilbert, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  3. Wisconsin Right to Work Education Foundation Inc

    EIN 371774077 · Headquarters: Black Creek, WI, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  4. Wisconsin Right to Work Inc

    EIN 320452382 · Headquarters: Black Creek, WI, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  5. Wisconsin River Cleanup Wausau

    EIN 470862741 · Headquarters: ARBOR VITAE, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Wisconsin River Muskies Ltd

    EIN 992522966 · Headquarters: WESTON, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Wisconsin River Rollers

    EIN 923806825 · Headquarters: RINGLE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Wisconsin River Trail Organization

    EIN 465278938 · Headquarters: BOSCOBEL, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Wisconsin River Valley Mechanical Contractors Association Inc

    EIN 391404319 · Headquarters: APPLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Wisconsin Road Knights Inc

    EIN 274250976 · Headquarters: WAUSAU, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Wisconsin Rockhounds Select Baseball Club Inc

    EIN 721539880 · Headquarters: MENOMONEE FALLS, WI, USA · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  12. Wisconsin Roofing Contractors Association Inc

    EIN 237416413 · Headquarters: GERMANTOWN, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. Wisconsin Rosemaling Assoc

    EIN 371754972 · Headquarters: Stoughton, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Wisconsin Rotc Foundation

    EIN 413087169 · Headquarters: Monona, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Wisconsin Rottweiler and Working Dog Association Incorporated

    EIN 262977188 · Headquarters: Sun Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  16. Wisconsin Rottweiler Rescue Inc

    EIN 391952575 · Headquarters: MADISON, WI, USA · Animal Related · Latest available filing year: 2015 · Primary form: IRS Form 990

  17. Wisconsin Rowing Association Inc

    EIN 391253389 · Headquarters: Madison, WI, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  18. Wisconsin Rowing Stewards of 1874 Inc

    EIN 202068534 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Wisconsin Rugby Football Union Inc

    EIN 391813985 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Wisconsin Rural Challenge Inc

    EIN 392018315 · Headquarters: Wabeno, WI, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  21. Wisconsin Rural Letter Carrier Auxilary

    EIN 391906231 · Headquarters: ORFORDVILLE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Wisconsin Rural Letter Carriers Assoication

    EIN 237234705 · Headquarters: COLFAX, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Wisconsin Rural Opportunities Foundation Attention Marcy Heim

    EIN 390857592 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  24. Wisconsin Rural Opportunities Inc

    EIN 863160742 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  25. Wisconsin Rural Partners Inc

    EIN 391859514 · Headquarters: MADISON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Wisconsin Rural Water Association Inc

    EIN 391617442 · Headquarters: PLOVER, WI, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. Wisconsin Rural Womens Initiative Inc

    EIN 391921744 · Headquarters: Elkhorn, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Wisconsin Rver Valley Racing Pigeon Club

    EIN 260478053 · Headquarters: Milladore, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Wisconsin Saengerbezirk Inc

    EIN 391508607 · Headquarters: Grafton, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Wisconsin Safety Patrols Inc

    EIN 237417646 · Headquarters: Mount Horeb, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Wisconsin Saints

    EIN 264053410 · Headquarters: Eau Claire, WI, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  32. Wisconsin Scholars Inc

    EIN 753071702 · Headquarters: Milwaukee, WI, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  33. Wisconsin Scholastic Chess Federation

    EIN 201197133 · Headquarters: Mequon, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Wisconsin School Administrators Alliance

    EIN 811268396 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Wisconsin School Attorneys Association

    EIN 237366266 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Wisconsin School Boards for Academic Excellence Inc

    EIN 995028354 · Headquarters: New London, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Wisconsin School Bus Association Inc

    EIN 391204976 · Headquarters: WISCONSIN DELLS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Wisconsin School Counselor Association Inc

    EIN 260393127 · Headquarters: WAUNAKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Wisconsin School for the Deaf Alumni Association

    EIN 391807001 · Headquarters: Delavan, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Wisconsin School for the Deaf Foundation Inc

    EIN 392038525 · Headquarters: Delavan, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Wisconsin School Music Association Inc

    EIN 390813464 · Headquarters: WAUNAKEE, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Wisconsin School of Professional Psychology Inc

    EIN 391319049 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Wisconsin School Psychologists Association

    EIN 391359749 · Headquarters: Wauwatosa, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Wisconsin School Psychologists Association Education Fund

    EIN 862113992 · Headquarters: MADISON, WI, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  45. Wisconsin School Safety Coordinator

    EIN 391671507 · Headquarters: THREE LAKES, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Wisconsin School Social Workers Association

    EIN 391511290 · Headquarters: HARTLAND, WI, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Wisconsin Science Education Foundation

    EIN 311796592 · Headquarters: MILWAUKEE, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Wisconsin Science Museum

    EIN 452930044 · Headquarters: MADISON, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Wisconsin Science Olympiad Inc

    EIN 203422573 · Headquarters: Willard, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Wisconsin Scorpions Inc

    EIN 822078159 · Headquarters: FON DU LAC, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. Wisconsin Scottish Inc

    EIN 392025125 · Headquarters: MILWAUKEE, WI, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  52. Wisconsin Scottish Rite Foundation Inc

    EIN 391757619 · Headquarters: WAUWATOSA, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  53. Wisconsin Screenwriters Forum Inc

    EIN 391771021 · Headquarters: Mazomanie, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Wisconsin Sctp Foundation Inc

    EIN 454972356 · Headquarters: BURLINGTON, WI, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Wisconsin Seasonal Residents Association Inc

    EIN 391793275 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Wisconsin Second Chance for Life Foundation Inc

    EIN 391781443 · Headquarters: Marshfield, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Wisconsin Section of the American Water Resources Assn Inc

    EIN 392039082 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Wisconsin Section of the American Water Works Association

    EIN 237026169 · Headquarters: WALES, WI, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Wisconsin Section of the Institute of Food Technologists Inc

    EIN 237375884 · Headquarters: Madison, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Wisconsin Section of the Pga of America Inc

    EIN 391518426 · Headquarters: WEST ALLIS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Wisconsin Security Association Inc

    EIN 391631924 · Headquarters: GREENFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. Wisconsin Security Research Consortium Inc

    EIN 562558056 · Headquarters: Madison, WI, US · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Wisconsin Seed Potato Improvement Association Inc

    EIN 332093225 · Headquarters: ANTIGO, WI, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Wisconsin Select Volleyball Inc

    EIN 208154392 · Headquarters: MADISON, WI, USA · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  65. Wisconsin Self Storage Association Inc

    EIN 450494148 · Headquarters: WAUKESHA, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Wisconsin Senior Games Inc

    EIN 391704850 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  67. Wisconsin Sharp-tailed Grouse Society Inc

    EIN 391752795 · Headquarters: GRANTSBURG, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Wisconsin Sheep Breeders Cooperative

    EIN 391327576 · Headquarters: JANESVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Wisconsin Sheet Metal Workers Health and Benefit Fund

    EIN 351638874 · Headquarters: WAUKESHA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Wisconsin Sheriffs and Deputy Sheriffs Association Inc

    EIN 391258494 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Wisconsin Shirdi Sai Inc

    EIN 463226030 · Headquarters: PEWAUKEE, WI, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Wisconsin Shock Volleyball Club

    EIN 923327323 · Headquarters: Denmark, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Wisconsin Shoreland Alliance Inc

    EIN 831937875 · Headquarters: Sayner, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Wisconsin Shores Little League Inc

    EIN 391726494 · Headquarters: Kenosha, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Wisconsin Shorthorn Association Incorporated

    EIN 820613186 · Headquarters: HOLMEN, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Wisconsin Show Pig Association Inc

    EIN 811297237 · Headquarters: Jefferson, WI, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Wisconsin Shrine Bowl Inc

    EIN 391260329 · Headquarters: Madison, WI, US · Health Care · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  78. Wisconsin Sickle Cell Foundation Inc

    EIN 455314762 · Headquarters: Milwaukee, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  79. Wisconsin Sigma Chapter of Sigma Alpha Epsilon

    EIN 461042401 · Headquarters: Menomonie, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Wisconsin Sign Association Inc

    EIN 510179052 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Wisconsin Singer & Songwriter Series Inc

    EIN 200469574 · Headquarters: Port Washington, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Wisconsin Skeet Shooting Association Inc

    EIN 391854908 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Wisconsin Skillsusa Center Inc

    EIN 260853577 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  84. Wisconsin Skyward User Group Inc

    EIN 392024781 · Headquarters: BLACK RIVER FALLS, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. Wisconsin Sleep Inc

    EIN 260902344 · Headquarters: Madison, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Wisconsin Sleep Society

    EIN 263734699 · Headquarters: GREEN BAY, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. Wisconsin Slovak Historical Society Inc

    EIN 391368132 · Headquarters: cudahy, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Wisconsin Small Business Inovation Consortium Inc

    EIN 391763932 · Headquarters: Mount Horeb, WI, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. Wisconsin Small Business United Inc

    EIN 454907912 · Headquarters: Madison, WI, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  90. Wisconsin Smallmouth Alliance Ltd

    EIN 201283100 · Headquarters: Madison, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Wisconsin Smoke Divers Association Inc

    EIN 993714085 · Headquarters: Manitowoc, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Wisconsin Soccer Association Inc

    EIN 391450967 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  93. Wisconsin Soccer Leagues Inc

    EIN 455158834 · Headquarters: MILWAUKEE, WI, USA · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  94. Wisconsin Soceity of Enrolled Agents Inc

    EIN 391547060 · Headquarters: WESTBY, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Wisconsin Society Daughters of the American Revolution

    EIN 390871258 · Headquarters: BLOOMER, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. Wisconsin Society for Clinical Laboratory Science Scholarship Fund Inc

    EIN 396045198 · Headquarters: ST FRANCIS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Wisconsin Society for Health Manpower Education and Training

    EIN 396292757 · Headquarters: Sauk City, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Wisconsin Society for Healthcare Risk Management Inc

    EIN 270117965 · Headquarters: Brookfield, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Wisconsin Society for the Prevention of Cruelty to Animals

    EIN 391816460 · Headquarters: Mequon, WI, USA · Animal Related · Latest available filing year: 2015 · Primary form: IRS Form 990

  100. Wisconsin Society of Acupuncturists Inc

    EIN 391977759 · Headquarters: Kenosha, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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