Data / Nonprofits / Wisconsin / Rio
Nonprofits in Rio, WI: 28 registered with the IRS
28 nonprofits are registered with the IRS in Rio, WI, 22 of them 501(c)(3) charities; the 1 that report revenue took in $21,340. The largest by revenue: Grand River Marsh Turkey Club Inc ($21,340). Most common causes: youth development (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Grand River Marsh Turkey Club Inc | 501(c)(4) | 1994 | $21,340 | $63,840 | 2025-12 | |
| American Legion Auxiliary | 501(c)(19) | 1946 | $0 | $0 | 2025-12 | |
| American Legion Francis Cuff 208 | Public and societal benefit | 501(c)(19) | 2019 | $0 | $0 | 2025-12 |
| Balance Dressage Association | Human services | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Bedrock Church Inc | 501(c)(3) | 1964 | ||||
| CC Cattle Company | Food, agriculture and nutrition | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Columbia County Association of Snowmobile Clubs Inc | 501(c)(7) | 1981 | $0 | $0 | 2025-07 | |
| Columbia County Tavern League | Crime and legal-related | 501(c)(3) | 2018 | $0 | $0 | 2026-04 |
| Eric & Co Seize Epilepsy | Diseases, disorders and medical disciplines | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Eric & Co Seize Epilepsy - Wisconsin | Diseases, disorders and medical disciplines | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Faith Bible Church | 501(c)(3) | 1964 | ||||
| Future Farmers of America and Its State Associations & Local Chapter | Youth development | 501(c)(3) | 1945 | $0 | $0 | 2025-08 |
| Jason Luther Benefit | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $0 | $0 | 2023-12 |
| Living Gospel Church | 501(c)(3) | 1960 | ||||
| National Rural Letter Carriers Associtaion | 501(c)(5) | 1972 | $0 | $0 | 2024-06 | |
| Redeemer | 501(c)(3) | 1988 | ||||
| Rio Area Community Club | Community improvement and capacity building | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Rio Area Historical Society Inc | Arts, culture and humanities | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Rio Area Library Friends Inc | Education | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Rio Athletic Booster Club | Education | 501(c)(3) | 2012 | $0 | $0 | 2026-08 |
| Rio Cattlemens Association Inc | Youth development | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Rio Columbus Wi Usbc Inc | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Rio Doylestown Sledheads Inc | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2025-09 |
| Rio Kids Club LLC | Youth development | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Rock River Valley Australian Shepherd Club Inc | 501(c)(7) | 1991 | $0 | $0 | 2025-12 | |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Tru Strides Inc | Environment | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Vintage Waves Inc | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
By cause in Rio, 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.