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Data / Nonprofits / Wisconsin / Lake Mills / Recreation and sports

Recreation and sports nonprofits in Lake Mills, WI: 8 registered with the IRS

8 recreation and sports nonprofits are registered with the IRS in Lake Mills, WI, 7 of them 501(c)(3) charities; the 3 that report revenue took in $331,482. The largest by revenue: Wisconsin Outlawz Fastpitch Inc ($165,413), Tcat Foundation ($97,842), Friends of Aztalan State Park Inc ($68,227).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Wisconsin Outlawz Fastpitch Inc501(c)(3)2019$165,413$59,0902025-12
Tcat Foundation501(c)(3)2023$97,842$75,3192024-12
Friends of Aztalan State Park Inc501(c)(3)2004$68,227$525,9592025-12
Camrock MTB Inc501(c)(3)2023$0$02025-12
Lake Mills Girls Hoops Club501(c)(3)2026$0$02025-12
Tyranena Youth Sports Organization Inc501(c)(3)2016$0$02024-12
Wisco Women On Water501(c)(3)2025
Wisconsin Pinto Horse Association501(c)(4)2020$0$28,1742024-12

Other causes in Lake Mills, WI

Every nonprofit in Lake Mills, WI · Recreation and sports nonprofits across the state · 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.