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
- Friends of the Great Sauk State Trail Inc
EIN 473976199 · Headquarters: Sauk City, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Greenville Parks Inc
EIN 883249211 · Headquarters: Greenville, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Gridiron Inc
EIN 383816191 · Headquarters: Rothschild, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Grignon Mansion
EIN 464305132 · Headquarters: KAUKAUNA, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Hales Corners Public Library Inc
EIN 391918936 · Headquarters: Hales Corners, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Hammond Community Library Inc
EIN 472218222 · Headquarters: Hammond, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Hancock Public Library
EIN 391463196 · Headquarters: Hancock, WI, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Friends of the Hank Aaron State Trail Inc
EIN 392020323 · Headquarters: Milwaukee, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of the Hardwoods
EIN 872913217 · Headquarters: Wausau, WI, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Friends of the Hartford Library
EIN 261732036 · Headquarters: Hartford, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Hartland Library Inc
EIN 391688452 · Headquarters: Hartland, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Hatch Public Library
EIN 931522844 · Headquarters: Mauston, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Hauge Memorial Library
EIN 391812166 · Headquarters: Osseo, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Hildebrand Memorial Library Inc
EIN 994424679 · Headquarters: BOSCOBEL, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Hillsboro Public Public Library Inc
EIN 141937933 · Headquarters: Hillsboro, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Historic Indian Agency House Inc
EIN 391132280 · Headquarters: CEDARBURG, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990
- Friends of the Holland Sand Prairie Inc
EIN 933170134 · Headquarters: Holmen, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Hollandale Lending Library
EIN 271971109 · Headquarters: Hollandale, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Horicon Library
EIN 812643200 · Headquarters: Horicon, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Hortonville Library
EIN 462155698 · Headquarters: Hortonville, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Hudson Public Library Ltd
EIN 391720684 · Headquarters: HUDSON, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Hurley Public Library
EIN 994380802 · Headquarters: Hurley, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Hustisford Public Library
EIN 391984851 · Headquarters: HUSTISFORD, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Independence Public Library Inc
EIN 873612424 · Headquarters: INDEPENDENCE, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Friends of the International Institute of Wisconsin Inc
EIN 237074729 · Headquarters: MILWAUKEE, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Friends of the Iron River National Fish Hatchery Ua
EIN 461080925 · Headquarters: Iron River, WI, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Irvine Park Zoo Inc
EIN 391814102 · Headquarters: Chippewa FAlls, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Jefferson Library Inc
EIN 813247273 · Headquarters: Jefferson, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Jersey Flowage Inc
EIN 271898182 · Headquarters: Tomahawk, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Johnson Creek Public Library
EIN 814028007 · Headquarters: Johnson Creek, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Jonathan Clark House Ltd
EIN 460986057 · Headquarters: Mequon, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Friends of the Juneau County Community Inc
EIN 874140956 · Headquarters: Necedah, WI, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Juneau Public Library Inc
EIN 391818306 · Headquarters: Juneau, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Karl Junginger Memorial Library
EIN 320482901 · Headquarters: Waterloo, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Kaukauna Public Libr
EIN 463754007 · Headquarters: KAUKAUNA, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Friends of the Kenosha Library Inc
EIN 237241466 · Headquarters: KENOSHA, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Friends of the Kenosha Military Academy Inc
EIN 922397619 · Headquarters: Kenosha, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Kenosha Museum Inc
EIN 311568795 · Headquarters: KENOSHA, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of the Kettle Moraine Inc
EIN 391524356 · Headquarters: Campbellsport, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Kettle Ponds
EIN 731632818 · Headquarters: MIDDLETON, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Kewaunee Pier Head Lighthouse
EIN 813215168 · Headquarters: Kewaunee, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Kewaunee Public Library
EIN 331329970 · Headquarters: KEWAUNEE, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Kimberly Library Inc
EIN 863818100 · Headquarters: KIMBERLY, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Kimberly-little Chute Public Library Inc
EIN 201447693 · Headquarters: LITTLE CHUTE, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Kinni
EIN 473134448 · Headquarters: River Falls, WI, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Friends of the Kraemer Library and Commu
EIN 392022109 · Headquarters: PLAIN, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Friends of the L E Phillips Memorial Public Library Inc
EIN 391645487 · Headquarters: Eau Claire, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of the La Crosse Public Library Inc
EIN 391627886 · Headquarters: LA CROSSE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the La Crosse River Marsh Inc
EIN 463192903 · Headquarters: LA CROSSE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Lake Geneva Public Library Inc
EIN 391285332 · Headquarters: LAKE GENEVA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Lakeshore Nature Preserve Inc
EIN 392036433 · Headquarters: Madison, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Lakeview Community Library Inc
EIN 391946857 · Headquarters: RANDOM LAKE, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Lawton Memorial Library Inc
EIN 205596172 · Headquarters: La Farge, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Lester Public Library
EIN 203613042 · Headquarters: Nekoosa, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Lettie Jensen Librar Y
EIN 394756970 · Headquarters: Amherst, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Library
EIN 391697890 · Headquarters: Edgerton, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Library
EIN 391995405 · Headquarters: IRON RIVER, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Library - Uss Liberty Memorial Public Library
EIN 990442604 · Headquarters: Grafton, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Library -Adams County Inc
EIN 391708036 · Headquarters: ADAMS, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Lincoln Community Forest Inc
EIN 383896834 · Headquarters: Ashland, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Little Brown Church Inc
EIN 391957381 · Headquarters: LONE ROCK, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Little Rice Fire Department
EIN 881022004 · Headquarters: Tripoli, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Lodi Public Library
EIN 810849503 · Headquarters: Lodi, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Lomira Public Library
EIN 810653464 · Headquarters: Lomira, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Lower Wisconsin Riverway Inc
EIN 270950329 · Headquarters: Spring Green, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Luck Library Inc
EIN 264815419 · Headquarters: Luck, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Madeline Island Museum Inc
EIN 873146938 · Headquarters: La Pointe, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Madison Arts Commission
EIN 844697976 · Headquarters: Madison, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Madison Public Library Incorporated
EIN 396075676 · Headquarters: MADISON, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Madison School Forest Inc
EIN 391852245 · Headquarters: Verona, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Manitowoc Family Aquatic Center
EIN 204109129 · Headquarters: MANITOWOC, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Manitowoc Fire Department Inc
EIN 461041776 · Headquarters: Manitowoc, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Marathon County Public Library
EIN 396099393 · Headquarters: WAUSAU, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Marching Knights Inc
EIN 550869049 · Headquarters: Oak Creek, WI, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Friends of the Marshall Community Library Inc
EIN 391796175 · Headquarters: Marshall, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Martell School House Inc
EIN 270574815 · Headquarters: River Falls, WI, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Friends of the Max Kade Institute for German-american Studies Inc
EIN 391567074 · Headquarters: Madison, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Mayville Public Library Inc
EIN 465010767 · Headquarters: Mayville, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Mazomanie Free Library
EIN 391394873 · Headquarters: Mazomanie, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Friends of the Mcfarland Library Inc
EIN 391787578 · Headquarters: MCFARLAND, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Mcintosh Memorial Library Inc
EIN 844393130 · Headquarters: Viroqua, WI, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Friends of the Mead-mcmillian Association Inc
EIN 391846412 · Headquarters: milladore, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Meadowridge Branch Library Inc
EIN 391858820 · Headquarters: Fitchburg, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Medford Public Library Inc
EIN 391755556 · Headquarters: Medford, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Medical College of Wisconsin Inc
EIN 237070280 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Friends of the Meeting House Inc
EIN 872934909 · Headquarters: Madison, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Friends of the Menomonie Public Library Inc
EIN 391569593 · Headquarters: MENOMONIE, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Merrill T B Scott Library
EIN 391962901 · Headquarters: Merrill, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Middleton Dog Parks
EIN 465756511 · Headquarters: Middleton, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Mill Pond & Oak Creek Watercourse
EIN 432071373 · Headquarters: South Milwaukee, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Mill Pond Ltd
EIN 333494521 · Headquarters: Green Lake, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Milltown Public Library
EIN 263624810 · Headquarters: Milltown, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Milwaukee Breakwater Lighthouse Inc
EIN 462829791 · Headquarters: Brookfield, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Milwaukee County Treatment Courts Inc
EIN 872538252 · Headquarters: Milwaukee, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Milwaukee Public Library Inc
EIN 237417573 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of the Mindoro Community Library Inc
EIN 800283196 · Headquarters: GALESVILLE, WI, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Friends of the Mitchell Gallery of Flight Inc
EIN 391520360 · Headquarters: Milwaukee, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of the Modjeska Theater Corporation
EIN 474617621 · Headquarters: MEQUON, WI, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Friends of the Mondovi Public Library
EIN 391940298 · Headquarters: Mondovi, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Monona Public Library
EIN 391394043 · Headquarters: Monona, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N