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
- Wilson Lake Association Inc
EIN 201558370 · Headquarters: EDGERTON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wilson Place Mansion Ltd
EIN 311783225 · Headquarters: MENOMONIE, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wilson Premier Youth Baseball Inc
EIN 391636864 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wilson Wheelers
EIN 800761818 · Headquarters: Stanley, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Wilsonhaus Rescue Inc
EIN 931616658 · Headquarters: APPLETON, WI, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wilsons Wish Inc
EIN 872436780 · Headquarters: Luxemburg, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wilton Wood Turtle Days Inc
EIN 820622741 · Headquarters: Wilton, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Win Cycling Inc
EIN 462595012 · Headquarters: Custer, WI, USA · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Win4jax Inc
EIN 392878070 · Headquarters: Chippewa Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Win4jaxinc
EIN 872453504 · Headquarters: Chippewa Falls, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winagamie Golf Foundation Inc
EIN 760701816 · Headquarters: APPLETON, WI, USA · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990
- WiNC GME Consortium
EIN 850632686 · Headquarters: Wausau, WI, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Winchester Academy Corporation
EIN 237424389 · Headquarters: WAUPACA, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Winchester Area Historical Society
EIN 391734958 · Headquarters: LARSEN, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Winchester Youth Softball League
EIN 900451916 · Headquarters: Winneconne, WI, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Wind Lake Drifters Snowmobile Club Inc
EIN 391191326 · Headquarters: Union Grove, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wind Lake Fireworks
EIN 822637295 · Headquarters: Waterford, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wind Lake Lions Charities Inc
EIN 821036990 · Headquarters: Waterford, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wind Lake Volunteer Fire Company Inc
EIN 262534066 · Headquarters: WIND LAKE, WI, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wind Lake Youth Baseball
EIN 391789169 · Headquarters: WInd Lake, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Wind River Wildlife Rehabilitation and Release Inc
EIN 391857654 · Headquarters: New London, WI, US · Animal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Windchill Legacy Ltd
EIN 263488794 · Headquarters: SUPERIOR, WI, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Windemuth Family Organization
EIN 481188866 · Headquarters: FORT ATKINSON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Windfall Theatre Inc
EIN 391892768 · Headquarters: Milwaukee, WI, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Windigo Lake Property Owners Assoc
EIN 391865631 · Headquarters: Hayward, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Windigo Society
EIN 820733222 · Headquarters: manitowoc, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Winding Creek Enterprises Inc
EIN 453770117 · Headquarters: BROOKFIELD, WI, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Windjammers Association of Membership Inc
EIN 331003699 · Headquarters: Port Washington, WI, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Windjammers Sailing Club Inc
EIN 237003830 · Headquarters: SUAMICO, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Windmill Days Inc
EIN 843474379 · Headquarters: Baldwin, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Window Inc
EIN 205381883 · Headquarters: PRESCOTT, WI, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Windrush Home Owners Association Inc
EIN 320500113 · Headquarters: Hartland, WI, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Winds of the Spirit Ministries Inc
EIN 391819728 · Headquarters: Fond du Lac, WI, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winds Recovery Inc
EIN 463881195 · Headquarters: Grafton, WI, US · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Windsor Community Boys Baseball League
EIN 454129811 · Headquarters: Windsor, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Windsor Family Foundation Inc
EIN 391576391 · Headquarters: SHEBOYGAN, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF
- Windsor Parent Teacher Organization
EIN 460595604 · Headquarters: WINDSOR, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winegar Post 480 American Legion
EIN 391359197 · Headquarters: PRESQUE ISLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Winegar Riders Atv Utv Club
EIN 872819673 · Headquarters: Presque Isle, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winfield & Margaret Scott Charitable Trust
EIN 426338433 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Winfield S Bassage Trust R52623007
EIN 166015118 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- Winfield Wild Cats Inc
EIN 273954862 · Headquarters: REEDSBURG, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winged Freedom Raptor Hospital Inc
EIN 862017615 · Headquarters: SPOONER, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Winget Legacy Foundation
EIN 842464376 · Headquarters: SCHOFIELD, WI, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Winget Legacy Foundation INC
EIN 932276443 · Headquarters: SCHOFIELD, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Wingra Rowing Regetta Inc
EIN 391924556 · Headquarters: MADISON, WI, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Wingra School Inc
EIN 237206931 · Headquarters: MADISON, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wings Academy for Students with Learning Disabilities
EIN 392017879 · Headquarters: Milwaukee, WI, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Wings as Eagles Mission Air Service Inc
EIN 411704479 · Headquarters: Oshkosh, WI, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wings Foundation Inc
EIN 261339007 · Headquarters: RIVER FALLS, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wings Ministry Inc
EIN 453237653 · Headquarters: milwaukee, WI, US · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Wings of Change Inc
EIN 991930276 · Headquarters: Green Bay, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wings of Corporate Love
EIN 521760025 · Headquarters: Milwaukee, WI, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Wings of Eagles Ministries Inc
EIN 455133995 · Headquarters: Algoma, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Wings of Steel Foundation Inc
EIN 453581041 · Headquarters: NEW RICHMOND, WI, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Wings Over Alma Inc
EIN 205658790 · Headquarters: Alma, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wings Over Wisconsin Inc
EIN 391385733 · Headquarters: Mayville, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Wings Raptor Center Inc
EIN 333587413 · Headquarters: CAMBRIDGE, WI, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Wings-a Grief Education Ministry
EIN 391769287 · Headquarters: WAUSAU, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Winifred E Lant Trust
EIN 436299252 · Headquarters: MILWAUKEE, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Winkler Elementary Pto
EIN 800658908 · Headquarters: Burlington, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Winman Trails Inc
EIN 920362465 · Headquarters: MANITOWISH WATERS, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Winn Inc
EIN 862562816 · Headquarters: LA CROSSE, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Winnebago Area Literacy Council Inc
EIN 391679291 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Winnebago Area Mariners Inc
EIN 391667619 · Headquarters: Kiel, WI, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Winnebago Audubon Society Inc
EIN 391402466 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winnebago Community Credit Union
EIN 390938509 · Headquarters: OSHKOSH, WI, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990
- Winnebago Conservation Club
EIN 237423217 · Headquarters: OSHKOSH, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Winnebago County 4-H Rabbit Project
EIN 384289978 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Winnebago County Bar Association Inc
EIN 822964377 · Headquarters: MENASHA, WI, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winnebago County Council American Legion
EIN 391863441 · Headquarters: Neenah, WI, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Winnebago County Dare Board Inc
EIN 472255103 · Headquarters: OSHKOSH, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winnebago County Dental Society
EIN 270296136 · Headquarters: OSHKOSH, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Winnebago County Fair Assoc Inc
EIN 396007655 · Headquarters: OSHKOSH, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Winnebago County Farm Bureau Cooperative
EIN 390744628 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Winnebago County Foster Closet Inc
EIN 861585609 · Headquarters: Neenah, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winnebago County Fosteradoptive Parent Association Inc
EIN 200365348 · Headquarters: RIPON, WI, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Winnebago County Hce
EIN 391278709 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winnebago County Historical and Archeological Society Inc
EIN 237389090 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winnebago County Holstein-freisian Association Cooperative
EIN 396077543 · Headquarters: Pickett, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winnebago County Medical Society
EIN 391622896 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winnebago County Rea
EIN 271699705 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Winnebago County Sheriffs Citizens Academy Alumni Association Inc
EIN 851190917 · Headquarters: Oshkosh, WI, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winnebago County Sheriffs Prof
EIN 396053494 · Headquarters: OSHKOSH, WI, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Winnebago Countywide Crime Stoppers Inc
EIN 391737048 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Winnebago Detachment Marine Co
EIN 271121930 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Winnebago East Shore Conservation Club Inc
EIN 391397462 · Headquarters: CHILTON, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Winnebago Flying Club Inc
EIN 262596017 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Winnebago Lakes Council Inc
EIN 331110970 · Headquarters: Winnebago, WI, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Winnebago Land Central Office Aa
EIN 391662973 · Headquarters: Fond du Lac, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Winnebago Media Group Inc
EIN 334622889 · Headquarters: Oshkosh, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winnebago Radio Control Flyers Inc
EIN 391735943 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winnebago Ridge Runners Inc
EIN 396279965 · Headquarters: Pardeeville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winnebago Sno-pioneers Inc
EIN 391250597 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winnebago Walleye Series Incorporated
EIN 825146862 · Headquarters: KIEL, WI, USA · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Winnebagoland Bmx Club Inc
EIN 391986366 · Headquarters: Oshkosh, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Winnebagoland Estate Planning Council
EIN 471707679 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Winnebagoland Genealogieal Society
EIN 113832068 · Headquarters: Oshkosh, WI, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Winnebagoland Marines Inc
EIN 396183331 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Winnebagoland Uniserv
EIN 391199892 · Headquarters: MADISON, WI, USA · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990