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. Lake Michigan Phrf Inc

    EIN 363566545 · Headquarters: WAUWATOSA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Lake Michigan Yachting Association

    EIN 364381641 · Headquarters: Germantown, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Lake Mildred Property Owners Association

    EIN 331013693 · Headquarters: Rhinelander, WI, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  4. Lake Mills Area Chamber of Commerce

    EIN 391166351 · Headquarters: Lake Mills, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Lake Mills Area Community Foundation Inc

    EIN 391858825 · Headquarters: LAKE MILLS, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Lake Mills Aztalan Historical Society Inc

    EIN 391096845 · Headquarters: LAKE MILLS, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Lake Mills Dinner & Dance Club

    EIN 364803734 · Headquarters: Lake Mills, WI, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  8. Lake Mills Education Association

    EIN 262691474 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Lake Mills Education Support Personnel Association

    EIN 460501463 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Lake Mills Elementary School Pto Inc

    EIN 333265500 · Headquarters: Lake Mills, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Lake Mills Emergency Medical Services

    EIN 391248043 · Headquarters: LAKE MILLS, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  12. Lake Mills Food Pantry Inc

    EIN 391786689 · Headquarters: Lake Mills, WI, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. Lake Mills Girls Hoops Club

    EIN 414316452 · Headquarters: Lake Mills, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Lake Mills Main Street Program Inc

    EIN 205272506 · Headquarters: Lake Mills, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Lake Mills Rotary Foundation Inc

    EIN 391744398 · Headquarters: Lake Mills, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Lake Mills Yoga Co-Op

    EIN 460691662 · Headquarters: Watertown, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Lake Minnesuing Association

    EIN 237104525 · Headquarters: Lake Nebagamon, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Lake Monona Sailing Club Inc

    EIN 237329346 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Lake Nancy Protective Association

    EIN 208063828 · Headquarters: Minong, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Lake Nebagamon Friends of the Library Inc

    EIN 205691880 · Headquarters: Lake Nebagamon, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Lake Nokomis Concerned Citizens

    EIN 391405045 · Headquarters: Tomahawk, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Lake Noquebay Anglers Partnership Inc

    EIN 463785307 · Headquarters: Crivitz, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Lake Noquebay Sportmans Club Inc

    EIN 371610614 · Headquarters: WAUSAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. Lake Owen Association Inc

    EIN 460475814 · Headquarters: CABLE, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Lake Park Friends Ltd

    EIN 391836415 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Lake Park Sportsmen Club Inc

    EIN 815485417 · Headquarters: Freedom, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Lake Pepin Art & Design Center

    EIN 208683849 · Headquarters: Stockholm, WI, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  28. Lake Pepin Partners in Preservation

    EIN 461091753 · Headquarters: Stockholm, WI, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  29. Lake Poygan Sportsmans Club

    EIN 391745943 · Headquarters: LARSEN, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Lake Puckaway Improvement Association Incorporation

    EIN 994419894 · Headquarters: Montello, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Lake Redstone Fishing Club Inc

    EIN 825419856 · Headquarters: La Valle, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Lake Ridge Boat Club

    EIN 391448520 · Headquarters: Cudahy, WI, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  33. Lake Ripley Institute Inc

    EIN 396076760 · Headquarters: Racine, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Lake Shore Lightning Blue Line Club Inc

    EIN 464359963 · Headquarters: Grafton, WI, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  35. Lake Sinissippi Association

    EIN 391453330 · Headquarters: Hustisford, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Lake Sinissippi Water Ski Club Llc

    EIN 462710920 · Headquarters: HUSTISFORD, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Lake States Railway Historical Association Inc

    EIN 161773938 · Headquarters: BARABOO, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. Lake States Resource Alliance Inc

    EIN 391679357 · Headquarters: Eagle River, WI, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  39. Lake Superior Blizzards Inc

    EIN 990387221 · Headquarters: ASHLAND, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Lake Superior Elementary Home and School Orga

    EIN 883476120 · Headquarters: Ashland, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  41. Lake Superior Elementary Pta Wi

    EIN 391738764 · Headquarters: ASHLAND, WI, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  42. Lake Superior Elementary Pto

    EIN 842820479 · Headquarters: SUPERIOR, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  43. Lake Superior House of Prayer Inc

    EIN 270551942 · Headquarters: SUPERIOR, WI, US · Religion Related · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  44. Lake Superior Life Care Center

    EIN 411435113 · Headquarters: SUPERIOR, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Lake Superior Master Gardeners Association

    EIN 873413945 · Headquarters: Superior, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Lake Superior Not for Sale Inc

    EIN 881647619 · Headquarters: HERBSTER, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. Lake Superior Paws for Love

    EIN 391812614 · Headquarters: Ashland, WI, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Lake Superior Professional Nurses Assoc Inc

    EIN 391889319 · Headquarters: Ashland, WI, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Lake Superior Quarter Horse Assoc Inc

    EIN 900796301 · Headquarters: Ashland, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Lake Superior R-c Car Club

    EIN 562359110 · Headquarters: SUPERIOR, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Lake Superior Ragtime Society Inc C/o Tim Sandor

    EIN 391637169 · Headquarters: Superior, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Lake Superior Refinery Credit Union

    EIN 396060748 · Headquarters: SUPERIOR, WI, USA · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990

  53. Lake Superior Tall Ships

    EIN 465349847 · Headquarters: BAYFIELD, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Lake Superior Traditional Ways Inc

    EIN 471547559 · Headquarters: MELLEN, WI, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  55. Lake Superior Tutoring Center for Dyslexic Childrn

    EIN 453780667 · Headquarters: IRON RIVER, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Lake to Lake Youth Soccer Inc

    EIN 392022990 · Headquarters: manitowoc, WI, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  57. Lake Tom Sno Fleas-trail Riders Inc

    EIN 931827911 · Headquarters: LAKE TOMAHAWK, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. Lake Ucil Home Association

    EIN 871804845 · Headquarters: Pound, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Lake View Cemetery Association

    EIN 391302618 · Headquarters: Chetek, WI, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  60. Lake Wandawega Improvement Association Inc

    EIN 141931672 · Headquarters: Elkhorn, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Lake Wapogasset and Bear Trap Improvement Association Inc

    EIN 391848617 · Headquarters: Amery, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Lake Waubesa Bible Camp Inc

    EIN 391055470 · Headquarters: MC FARLAND, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Lake Waubesa Conservation

    EIN 391660933 · Headquarters: MCFARLAND, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Lake Wausau Association Inc Po Box 2085

    EIN 391616549 · Headquarters: Wausau, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Lake Windsor Property Owners Association Inc

    EIN 237426768 · Headquarters: Windsor, WI, US · Housing & Shelter · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  66. Lake Winnebago Quality Improvement Association

    EIN 455407802 · Headquarters: Fond du Lac, WI, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  67. Lake Winnetka and Sugar River Improvement Association Inc

    EIN 391994282 · Headquarters: Albany, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Lake Wisconsin Alliance

    EIN 471435171 · Headquarters: Poynette, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Lake Wissota Catfishing Tournament

    EIN 992956107 · Headquarters: Chippewa Falls, WI, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Lake Wissota Improvement and Protection Association

    EIN 391984236 · Headquarters: CHIPPEWA FALLS, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Lake Wissota Trail Blazers Inc

    EIN 391977318 · Headquarters: Chippewa Falls, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Lake Wissota Yacht Club Inc

    EIN 391172491 · Headquarters: CHIPPEWA FLS, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Lakefest Inc

    EIN 331155620 · Headquarters: Superior, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  74. Lakeland Animal Welfare Society Inc

    EIN 391268873 · Headquarters: ELKHORN, WI, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Lakeland Area Baseball

    EIN 832327817 · Headquarters: Woodruff, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Lakeland Area Dog Park Inc

    EIN 811963514 · Headquarters: MINOCQUA, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Lakeland Area General Federation of Womens Clubs

    EIN 831569974 · Headquarters: Minocqua, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Lakeland Area Gymnastics Club Inc

    EIN 412851723 · Headquarters: MINOCQUA, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Lakeland Area Mountain Bike Organization Incorporated

    EIN 473901308 · Headquarters: WOODRUFF, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Lakeland Area Scholarship Fund Inc

    EIN 464259420 · Headquarters: MINOCQUA, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  81. Lakeland ATV Club

    EIN 264835400 · Headquarters: Minocqua, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Lakeland Audubon Society Inc

    EIN 237043226 · Headquarters: ELKHORN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Lakeland Basketball Boosters Inc

    EIN 474679199 · Headquarters: Minocqua, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Lakeland Builders Association

    EIN 391420187 · Headquarters: ELKHORN, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. Lakeland Care Incorporated

    EIN 813724993 · Headquarters: FOND DU LAC, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Lakeland Community Garden

    EIN 272516865 · Headquarters: Woodruff, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  87. Lakeland Community Gardens Inc

    EIN 862971694 · Headquarters: Woodruff, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Lakeland Conservancy Inc

    EIN 391565629 · Headquarters: Minocqua, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Lakeland Dog Training Club Inc

    EIN 391421074 · Headquarters: Deerfield, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Lakeland Education Association

    EIN 412011740 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Lakeland Family Resource Center Inc

    EIN 391842386 · Headquarters: SPOONER, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Lakeland Foundation Inc

    EIN 396076078 · Headquarters: SHEBOYGAN, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  93. Lakeland Hawks Ice Association Inc

    EIN 391452899 · Headquarters: MINOCQUA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Lakeland Impact Inc

    EIN 861184752 · Headquarters: Lake Geneva, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Lakeland Little League Inc

    EIN 391356281 · Headquarters: BRISTOL, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  96. Lakeland Minocqua Rotary Club

    EIN 391252122 · Headquarters: MINOCQUA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Lakeland Nordic Ski Club

    EIN 473085708 · Headquarters: Minocqua, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Lakeland Nordic Ski Team Inc

    EIN 611996159 · Headquarters: Minocqua, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Lakeland Officials Association

    EIN 391910951 · Headquarters: Waukesha, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Lakeland Performing Arts Association Inc

    EIN 930835409 · Headquarters: MINOCQUA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

First page and all pages