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
- Wisconsin Guild of Midwives Inc
EIN 562529144 · Headquarters: WEST MILWAUKEE, WI, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Wisconsin Gun Owners Inc C/o Corey Graff
EIN 320086136 · Headquarters: WAUPACA, WI, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Wisconsin Guts Association Incorporated
EIN 992192522 · Headquarters: Menasha, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Haiti Dental Initiative Inc
EIN 472950778 · Headquarters: MILWAUKEE, WI, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Handweavers Inc
EIN 391631877 · Headquarters: Wauwatosa, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wisconsin Harbor Towns Association Inc
EIN 320041527 · Headquarters: SUN PRAIRIE, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Wisconsin Hardy Plant Society
EIN 471868337 · Headquarters: Madison, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wisconsin Harness Horse Association Inc
EIN 391460259 · Headquarters: Dodgeville, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Wisconsin Harvest Network Incorporated
EIN 413151961 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Head Start Association
EIN 391488792 · Headquarters: MADISON, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Health and Physical Education Inc
EIN 391248914 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Health Care Assoc Inc
EIN 396125841 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Health Freedom Coalition Incorporated
EIN 200059555 · Headquarters: SHELDON, WI, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Wisconsin Health Fund
EIN 396063342 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Health Information Organization Inc
EIN 203493804 · Headquarters: MONONA, WI, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990
- Wisconsin Health Professional Services Program Inc
EIN 995097256 · Headquarters: MADISON, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Health Science Library Association Inc
EIN 391410484 · Headquarters: MILWAUKEE, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Healthcare
EIN 391633772 · Headquarters: FORT ATKINSON, WI, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Healthcare Business Forum Inc
EIN 832053549 · Headquarters: MADISON, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Wisconsin Healthcare Engineering as Sociation Chapter 6 Inc
EIN 611557348 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Healthcare Engineering as Sociation Chapter Iv Inc
EIN 320397500 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Healthcare Engineering Association
EIN 391654755 · Headquarters: FOND DU LAC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Healthcare Engineering Association Chapter 1 Inc
EIN 352523576 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Wisconsin Healthcare Purchasing & Materials Managers Association
EIN 364744699 · Headquarters: Brooklyn, WI, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Wisconsin Heights Alumni Association Inc
EIN 471760009 · Headquarters: Black Earth, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Heights Baseball Club Inc
EIN 332920960 · Headquarters: Mazomanie, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Heights Credit Union
EIN 391134860 · Headquarters: Ogema, WI, USA · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990
- Wisconsin Heights Educational Foundation Inc
EIN 391973624 · Headquarters: Black Earth, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Heights Music Parents Association
EIN 391885837 · Headquarters: Mazomanie, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wisconsin Heights Parent-teacher Organization
EIN 260723742 · Headquarters: Mazomanie, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Heights Performing Arts Council Ltd
EIN 861554246 · Headquarters: Black Earth, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Heights Players
EIN 822131251 · Headquarters: Black Earth, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Heights School District Endowment Fund
EIN 824215468 · Headquarters: Mazomanie, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wisconsin Heights Soccer Club Inc
EIN 392008744 · Headquarters: Black Earth, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wisconsin Heights Youth Basketball Inc
EIN 931573488 · Headquarters: Mazomanie, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Wisconsin Heights Youth Softball
EIN 464825997 · Headquarters: Mazomanie, WI, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Wisconsin Heights Youth Tennis Organization Inc
EIN 853173245 · Headquarters: Black Earth, WI, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Wisconsin Helping Hands
EIN 821259132 · Headquarters: West Bend, WI, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Wisconsin Hemp Farmers & Manufacturers Association Inc
EIN 830781052 · Headquarters: Madison, WI, US · Food, Agriculture & Nutrition · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Wisconsin Hereford Association
EIN 391628243 · Headquarters: PLAIN, WI, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990
- Wisconsin Hero Outdoors Inc
EIN 823959113 · Headquarters: DELAFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Hickory Association
EIN 473495076 · Headquarters: Princeton, WI, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wisconsin High Performance Training Center Llc
EIN 333936806 · Headquarters: MADISON, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin High School Boys Rugby Inc
EIN 612071985 · Headquarters: Green Bay, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin High School Esports Association
EIN 842135320 · Headquarters: Waukesha, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wisconsin High School Football Coaches Association Inc
EIN 391504673 · Headquarters: HUBERTUS, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin High School Gymnastics Association Inc
EIN 933661565 · Headquarters: Reedsburg, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Wisconsin Hills Middle School Pto
EIN 391891554 · Headquarters: Brookfield, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Wisconsin Hispanic Scholarship Foundation Inc
EIN 391522543 · Headquarters: MILWAUKEE, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Histology Society
EIN 237417645 · Headquarters: Greendale, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Historians Association
EIN 391380009 · Headquarters: Wausau, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Wisconsin Historical Foundation
EIN 300595385 · Headquarters: Madison, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Historical Foundation
EIN 390921093 · Headquarters: Madison, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Historical Steam Assoc Inc
EIN 134236637 · Headquarters: Bangor, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Hmong Association Inc
EIN 471986515 · Headquarters: MADISON, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Wisconsin Hmong Health Coalition Inc
EIN 882386750 · Headquarters: Two Rivers, WI, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Wisconsin Hockey Coaches Association Inc
EIN 475425740 · Headquarters: DeForest, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Hockey Development Inc
EIN 843638419 · Headquarters: Oregon, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- Wisconsin Hockey Officials Association Inc
EIN 043688213 · Headquarters: Baldwin, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wisconsin Holstein Association Inc
EIN 390821878 · Headquarters: BARABOO, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Wisconsin Holstein Foundation Inc
EIN 823471408 · Headquarters: BARABOO, WI, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Wisconsin Homeowners Alliance Inc
EIN 202931469 · Headquarters: MADISON, WI, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Honey Producers Inc
EIN 390872652 · Headquarters: WATERTOWN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Wisconsin Honor Guard Association
EIN 462143825 · Headquarters: Shawano, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Hops and Barley Co-op
EIN 800370787 · Headquarters: Onalaska, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Wisconsin Horse Alliance
EIN 810835059 · Headquarters: Blue Mounds, WI, USA · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- Wisconsin Horse Pullers Assoc Inc
EIN 391519211 · Headquarters: MONDOVI, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Wisconsin Horseshoe Pitchers Association
EIN 391763638 · Headquarters: MILTON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wisconsin Hosa Inc
EIN 742571984 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Hospice and Palliative Care Association
EIN 833382962 · Headquarters: KIMBERLY, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Wisconsin Hospice and Palliative Care Collaborative
EIN 852814386 · Headquarters: DE PERE, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Wisconsin Hospital Association Inc
EIN 390969552 · Headquarters: FITCHBURG, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Hospital Public Relations Council Inc
EIN 391358586 · Headquarters: Kimberly, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Hotel & Lodging Association Inc
EIN 396078094 · Headquarters: BROOKFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Housing Alliance Inc
EIN 391250038 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Wisconsin Housing Preservation Corp.
EIN 300002040 · Headquarters: Madison, WI, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Human Services Inc
EIN 931626478 · Headquarters: Milwaukee, WI, US · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Wisconsin Human Services Support Staff Association Inc
EIN 391379674 · Headquarters: Green Bay, WI, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Wisconsin Humane Society
EIN 390810533 · Headquarters: MILWAUKEE, WI, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Humanities Council Inc
EIN 391250290 · Headquarters: MIDDLETON, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Hunter & Jumper Association Inc
EIN 391258936 · Headquarters: GREENVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Wisconsin Hunter Education Instructor Association Inc
EIN 391539717 · Headquarters: NEW BERLIN, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wisconsin Ice Arena Management Association
EIN 391746786 · Headquarters: Wisconsin Rapids, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Ice Spirit Girls Hockey
EIN 770637976 · Headquarters: Verona, WI, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Wisconsin Ice Volleyball Club Incorporated
EIN 262842464 · Headquarters: PLOVER, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Ifye Incorporated
EIN 391491314 · Headquarters: Waterloo, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Illinois Search and Recovery K9 Team Inc
EIN 510505434 · Headquarters: Milwaukee, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Wisconsin Images for Conservation Inc
EIN 814937433 · Headquarters: Delafield, WI, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wisconsin Independent Charter School Advocates Inc
EIN 273380786 · Headquarters: LAKE MILLS, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Independent Christian School Inc
EIN 311706955 · Headquarters: OSHKOSH, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Independent Learning College Inc
EIN 454309128 · Headquarters: WAUKESHA, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Independent Pharmacy Association Inc
EIN 920938095 · Headquarters: New Berlin, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Wisconsin Indian Education Association Inc
EIN 391608598 · Headquarters: KESHENA, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wisconsin Industrial Energy Group
EIN 392025755 · Headquarters: MADISON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Industrial Sand Association Inc
EIN 455179483 · Headquarters: Eau Claire, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wisconsin Infrastructure Investment Now Inc
EIN 472123771 · Headquarters: MADISON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wisconsin Infusion Nursing Center
EIN 821015631 · Headquarters: Port Washington, WI, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Wisconsin Initiative for Chiropractic Quality Inc
EIN 260447434 · Headquarters: Appleton, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Wisconsin Initiative for Sea Cadet Operations Inc
EIN 415308625 · Headquarters: Campbellsport, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wisconsin Injured Law Enforcement Officers Resource Council Inc
EIN 611751030 · Headquarters: Genesee Depot, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N