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Janesville, Wisconsin

Amateur sports nonprofits in Janesville, WI

17 tax-exempt amateur sports nonprofits based in Janesville, from IRS data.

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Amateur sports competitions

Legacy Athletics Inc

Janesville, WI 53545

Tax-exempt since 2013 · EIN 46-1480284

Baseball and softball

Rbi Baseball

Janesville, WI 53545

Tax-exempt since 2020 · EIN 85-2424803

Soccer

Rock Soccer Club

Janesville, WI 53547

Tax-exempt since 2007 · EIN 20-5915707

Baseball and softball

Sling N Stitches

Janesville, WI 53546

Tax-exempt since 2021 · EIN 83-1606524

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Source: IRS Exempt Organizations Business Master File, posted October 13, 2026. We list 501(c)(3) organizations whose IRS activity code is youth development, amateur sports, camps and recreation, parent-teacher groups, children's services, child day care or arts education. We show the city and ZIP code only, never a street address or contact person. A listing is not an endorsement.