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Data / Nonprofits / Wisconsin / Mauston

Nonprofits in Mauston, WI: 64 registered with the IRS

64 nonprofits are registered with the IRS in Mauston, WI, 52 of them 501(c)(3) charities; the 17 that report revenue took in $135.5 million. The largest by revenue: Mile Bluff Medical Center Inc ($126.9 million), Mauston Area Ambulance Association ($5.6 million), Mile Bluff Medical Center Foundation Inc ($964,900). Most common causes: recreation and sports (4), health care (4), community improvement and capacity building (4).

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Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Mile Bluff Medical Center IncHealth care501(c)(3)1963$126.9 million$112.6 million2025-09
Mauston Area Ambulance AssociationHealth care501(c)(3)1975$5.6 million$3.7 million2025-12
Mile Bluff Medical Center Foundation IncDiseases, disorders and medical disciplines501(c)(3)2010$964,900$1.4 million2025-09
Juneau County Agricultural SocietyRecreation and sports501(c)(3)2015$381,427$344,2992024-12
Juneau County Agricultural Industrial & Recreation Society inYouth development501(c)(3)2007$287,562$1.9 million2025-12
Carl W Nelson Animal Shelter IncAnimal-related501(c)(3)2005$230,359$333,6692025-12
Habitat for Humanity International IncHousing and shelter501(c)(3)1987$183,293$785,8912025-06
Golden Eagle Athletic Booster ClubYouth development501(c)(3)2003$153,558$53,7122026-06
Outdoors Forever IncEnvironment501(c)(3)2024$149,891$347,6592024-12
Juneau County Support Education Advocacy GroupHuman services501(c)(3)2012$127,692$1.5 million2025-12
Mauston Wrestling Club IncCommunity improvement and capacity building501(c)(3)2023$126,543$337,2652024-12
Community Sharing Pantry IncHuman services501(c)(3)1999$101,108$339,1032025-12
Juneau County K9S IncAnimal-related501(c)(3)2022$100,957$175,5942024-12
Greater Mauston Area Chamber of Commerce Inc501(c)(6)1978$96,997$17,7002023-09
Marie and Andrew Lobenstein TrustReligion-related501(c)(3)1997$84,853$1.3 million2025-12
Collegiate Athletic Operations Services CorpCommunity improvement and capacity building501(c)(6)2025$62,458$20,6752025-12
McFarlane-Cure Charitable TrustEducation501(c)(3)2002$36,900$298,9102025-12
Advanced Leadership Program of Juneau County IncPublic and societal benefit501(c)(3)2014$0$02025-12
Basics & Beyond Co LLCEducation501(c)(3)2010$0$02025-12
Bible Baptist Church501(c)(3)1972
Board of Regents of the University of Wisconsin Syste501(c)(3)2014$0$02025-06
Board of Regents of the University of Wisconsin System501(c)(3)2014$0$02025-06
Board of Regents of the University of Wisconsin System501(c)(3)2014$0$02025-06
Board of Regents of the University of Wisconsin System501(c)(3)2014$0$02025-06
Board of Regents of the University of Wisconsin System501(c)(3)2014$0$02025-06
Board of Regents of the University of Wisconsin System501(c)(3)2014$0$02025-06
Board of Regents of the University of Wisconsin System501(c)(3)2014$0$02025-06
Board of Regents of the University of Wisconsin System501(c)(3)2014$0$02025-06
Board of Regents of the University of Wisconsin SystemYouth development501(c)(3)2014$0$02025-06
Burton-Koppang American Legion Post 81Public and societal benefit501(c)(19)2025
Castle Rock River Runners Inc501(c)(4)1995$0$02026-06
Center for Sound Economic EducatioinEducation501(c)(3)2025
Champions Basketball League IncRecreation and sports501(c)(3)2025$0$02025-12
Faith Christian Church of Mauston Inc501(c)(3)1987
Friends and Family Cancer Foundation FFCF IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2004$0$02025-12
Friends of the Hatch Public LibraryEducation501(c)(3)2023$0$02025-12
Golden Eagle Youth FootballRecreation and sports501(c)(3)2016$0$02025-12
Grace Community Church501(c)(3)1955
Greater Mauston Area Development CorporationCommunity improvement and capacity building501(c)(3)1997$0$02025-12
Guardians of Lake Decorah IncEnvironment501(c)(3)2021$0$02025-12
Hear With Your Heart Foundation IncHealth care501(c)(3)2022$0$02025-12
International Association of Lions Clubs501(c)(4)1969$0$02025-06
Juneau County Ares Race IncPublic safety, disaster preparedness and relief501(c)(3)2005$0$02025-12
Juneau County Chapt 1993 Women of the Moose501(c)(8)1935$0$02023-04
Juneau County Dairy Promotion Council Inc501(c)(5)1992$0$02023-12
Juneau County Historical Society IncArts, culture and humanities501(c)(3)1969$0$02025-12
Juneau County Medical SocietyHealth care501(c)(6)2016$0$02024-12
Juneau County Moose Lodge 1913501(c)(8)1935$0$02024-04
Juneau County Peace Committee Inc501(c)(3)1994$0$02025-08
Knights of Columbus501(c)(8)1940$0$02025-06
Little League Baseball Inc501(c)(3)1967$0$02025-12
Mauston Area Youth Soccer IncRecreation and sports501(c)(3)2024$0$02025-12
Mauston Assembly of God501(c)(3)1964
Mauston Church of the Nazarene501(c)(3)1963
Mauston High School Choir BoostersArts, culture and humanities501(c)(3)2024$0$02024-12
Rocky & Rustys RedemptionAnimal-related501(c)(3)2017$0$02025-06
Ronald and Barbara Brunner FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2011$2 million2025-12
Saint Patricks Church501(c)(3)19462011-06
Sharing Supper IncFood, agriculture and nutrition501(c)(3)2014$0$02025-12
St Paul Lutheran Church501(c)(3)1966
Toys for JoyHuman services501(c)(3)2016$0$02025-12
Voiture Nationale La Societe Des 40 Hommes Et 8 Chevaux501(c)(19)1967$0$02025-06
Wisconsin Association for Home and Community Education Inc501(c)(3)1988$0$02025-12
Wisconsin Chapter of Intl Assoc of Special Investigation Units IncCommunity improvement and capacity building501(c)(6)2021$0$02025-12

By cause in Mauston, WI

Nonprofits in every city of the state

Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.