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Data / Nonprofits / Wisconsin / Williams Bay

Nonprofits in Williams Bay, WI: 26 registered with the IRS

26 nonprofits are registered with the IRS in Williams Bay, WI, 23 of them 501(c)(3) charities; the 12 that report revenue took in $11.1 million. The largest by revenue: Yerkes Future Foundation Inc ($4.4 million), Faith Christian High School Inc ($2.4 million), Geneva Lake Water Safety Comm Inc ($1.2 million). Most common causes: education (5), philanthropy, voluntarism and grantmaking foundations (3), arts, culture and humanities (3).

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Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Yerkes Future Foundation IncEducation501(c)(3)2019$4.4 million$15.7 million2024-12
Faith Christian High School Inc501(c)(3)1981$2.4 million$2.2 million2025-06
Geneva Lake Water Safety Comm IncPublic safety, disaster preparedness and relief501(c)(3)1979$1.2 million$2.9 million2024-12
Lake Geneva Fresh Air AssociationRecreation and sports501(c)(3)1951$1.2 million$4.4 million2024-12
Norman B Barr Camp Inc501(c)(3)1958$448,130$1.4 million2025-10
Santa Cause IncHuman services501(c)(3)2016$352,585$104,1322025-12
Geneva Lake Astrophysics and Steam IncEducation501(c)(3)2019$342,137$241,2652025-12
Friends of Kishwauketoe LTDEnvironment501(c)(3)1992$258,179$340,1622024-12
Libraries First501(c)(3)1984$191,839$87,8902025-06
International Association of Lions Clubs501(c)(4)1966$165,369$147,4182025-06
Dakota IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2014$35,234$5,1442024-12
Kingme IncHuman services501(c)(3)2016$300$9292023-06
Aglow International501(c)(3)1973$0$02024-12
Eagle NationArts, culture and humanities501(c)(3)2022$0$02026-05
Fellowship of Christian Believers at Williams Bay501(c)(3)1981
Friends of Barrett Memorial LibraryEducation501(c)(3)2017$0$02025-12
SBK Stearns Family FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2020$3.8 million2025-12
Skeeter Ice Boat Club501(c)(7)1939$0$02025-09
The Robert C & Sarah Jane Moore Family FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1998$950,2562025-12
Veterans of Foreighn Wars of the United States Dept of WisconsinPublic and societal benefit501(c)(19)1973$0$02026-06
Williams Bay Athletic Booster Club IncEducation501(c)(3)2013$0$02026-06
Williams Bay Cultural Art AllianceArts, culture and humanities501(c)(3)2019$0$02024-12
Williams Bay Historical Society IncArts, culture and humanities501(c)(3)2017$0$02025-12
Williams Bay Lutheran Church501(c)(3)1988
Williams Bay School Parent Teacher Organization IncEducation501(c)(3)2007$0$02025-06
Williams Bay Womens Civic League IncYouth development501(c)(3)2021$0$02025-06

By cause in Williams Bay, 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.