Data / Nonprofits / Wisconsin / Thiensville
Nonprofits in Thiensville, WI: 35 registered with the IRS
35 nonprofits are registered with the IRS in Thiensville, WI, 28 of them 501(c)(3) charities; the 10 that report revenue took in $2.4 million. The largest by revenue: American Academy of Family Physicians ($806,276), Gatherings On the Green Inc ($501,543), All Star Health Center Inc ($484,087). Most common causes: human services (5), recreation and sports (3), community improvement and capacity building (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| American Academy of Family Physicians | 501(c)(6) | 1950 | $806,276 | $652,326 | 2025-12 | |
| Gatherings On the Green Inc | Arts, culture and humanities | 501(c)(3) | 1996 | $501,543 | $96,536 | 2023-09 |
| All Star Health Center Inc | Human services | 501(c)(3) | 2020 | $484,087 | $194,233 | 2025-12 |
| Downtown Thiensville Inc | Community improvement and capacity building | 501(c)(3) | 2025 | $102,790 | $40,710 | 2025-12 |
| Boys of Summer Select Baseball Academy Boss Inc | Recreation and sports | 501(c)(3) | 2008 | $101,625 | $32,065 | 2025-12 |
| International Association of Lions Clubs | 501(c)(4) | 1940 | $100,863 | $200,781 | 2025-07 | |
| Homestead Sports Boosters Inc | 501(c)(3) | 1981 | $99,321 | $220,950 | 2025-06 | |
| Junior Womans Club of Maquon- Thiensville Inc | Human services | 501(c)(3) | 2001 | $62,527 | $10,134 | 2025-06 |
| Mequon Thiensville Basketball Association Inc | Recreation and sports | 501(c)(3) | 2002 | $52,991 | $22,986 | 2025-08 |
| Project Periwinkle LTD | Diseases, disorders and medical disciplines | 501(c)(3) | 2015 | $48,934 | $56,053 | 2026-04 |
| Aja Healing and Masika Health Wellness | Health care | 501(c)(3) | 2025 | |||
| Association of the Ladies of Charity of Milwaukee Wisconsin | Human services | 501(c)(3) | 2011 | $0 | $0 | 2025-05 |
| Bambui Cultural Community Bacco USA Inc | Human services | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Christ Alone Lutheran Church | 501(c)(3) | 1966 | 2014-06 | |||
| Essentially Empowered Incorporated | Human services | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Foster Family Foundation Irrv Trust | 501(c)(3) | 1992 | $637,820 | 2025-12 | ||
| Gil and Linda Vraney Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $101,015 | 2025-12 | |
| Grace 242 | Religion-related | 501(c)(3) | 2014 | |||
| Grace Lutheran Church | 501(c)(3) | 1988 | 2014-12 | |||
| Marian International Relief Fund LTD | Public safety, disaster preparedness and relief | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Mequon Historical Society Inc | 501(c)(3) | 1988 | $0 | $0 | 2025-12 | |
| Mequon Police Association Inc | 501(c)(5) | 1996 | $0 | $0 | 2025-12 | |
| Milwaukee Action Network Inc | Community improvement and capacity building | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Monergy Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Ozaukee County Bar Association Inc | Community improvement and capacity building | 501(c)(6) | 2023 | $0 | $0 | 2025-12 |
| Restoration Church Inc | 501(c)(3) | 1964 | ||||
| Rotary International | 501(c)(4) | 1942 | $0 | $0 | 2025-06 | |
| Rotary International | 501(c)(4) | 1942 | $0 | $0 | 2025-06 | |
| Scott & Kathryn Happ Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $14.5 million | 2025-12 | |
| St Cecilias Congregation | 501(c)(3) | 1946 | ||||
| Suburban Milwaukee Hog Chapter Inc | Recreation and sports | 501(c)(7) | 2026 | |||
| The Dorothy and Margaretha Schmidtbauer Foundation Inc | Education | 501(c)(3) | 1997 | $277,242 | 2025-12 | |
| The Twenty-Four Hour Foundation Inc | Health care | 501(c)(3) | 2025 | $0 | $0 | 2021-12 |
| Thiensville Volunteer Fire Department Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Youth and Aviation Inc | 501(c)(3) | 1962 | $133,843 | 2025-12 |
By cause in Thiensville, 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.