Data / Nonprofits / Wisconsin / Sussex
Nonprofits in Sussex, WI: 76 registered with the IRS
76 nonprofits are registered with the IRS in Sussex, WI, 60 of them 501(c)(3) charities; the 22 that report revenue took in $4.4 million. The largest by revenue: Ausblick Inc ($1.8 million), Lake Country Football Club LLC ($501,769), Cinema United Wisconsin and Upper Michigan Inc ($342,975). Most common causes: education (15), recreation and sports (10), human services (6).
SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.
Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Ausblick Inc | 501(c)(7) | 1975 | $1.8 million | $3.8 million | 2025-06 | |
| Lake Country Football Club LLC | Recreation and sports | 501(c)(3) | 2025 | $501,769 | $277,663 | 2025-12 |
| Cinema United Wisconsin and Upper Michigan Inc | 501(c)(6) | 1993 | $342,975 | $2.9 million | 2025-12 | |
| Nation of Patriots | Education | 501(c)(3) | 2009 | $285,010 | $345,192 | 2025-12 |
| Cooperating Churches of Sussex Inc | 501(c)(3) | 1994 | $236,146 | $488,889 | 2024-12 | |
| Hamilton Jr Chargers Baseball Inc | Recreation and sports | 501(c)(3) | 2008 | $201,261 | $222,847 | 2026-06 |
| Hamilton Educational Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1992 | $155,531 | $1.3 million | 2025-06 |
| Cannedwater4kids Inc | Human services | 501(c)(3) | 2011 | $98,873 | $452,724 | 2025-12 |
| International Association of Lions Clubs | 501(c)(4) | 1966 | $85,412 | $201,066 | 2025-06 | |
| Woodside Home & School Association | Education | 501(c)(3) | 2016 | $73,886 | $2,048 | 2023-07 |
| Classic 8 Conference Inc | Recreation and sports | 501(c)(3) | 1999 | $70,202 | $6,274 | 2026-06 |
| Veterans of Foreign Wars of the United States Dept of Wisconsin | 501(c)(19) | 1973 | $67,384 | $484,239 | 2025-12 | |
| Sherwood Forest Bowmen Inst Inc | Recreation and sports | 501(c)(7) | 2009 | $65,248 | $186,316 | 2025-12 |
| The Sussex-Lisbon Youth Baseball Association Inc | Public and societal benefit | 501(c)(3) | 2019 | $62,063 | $22,059 | 2025-12 |
| Citizens for the Pauline Haass Public Library | Education | 501(c)(3) | 1996 | $61,748 | $941,235 | 2025-12 |
| Silver Spring Intermediate Home and School | Education | 501(c)(3) | 2019 | $60,466 | $17,405 | 2025-06 |
| Maple Avenue Home and School | Education | 501(c)(3) | 2021 | $57,974 | $20,806 | 2025-06 |
| Hamilton Jr Chargers Lacrosse | Recreation and sports | 501(c)(3) | 2022 | $55,183 | $70,890 | 2025-12 |
| Dirtball Open Inc | Education | 501(c)(3) | 2023 | $53,792 | $34,250 | 2025-12 |
| Hamilton School District Band Boosters Association | Education | 501(c)(3) | 2018 | $41,360 | $105,557 | 2025-06 |
| Hamilton Athletic Booster Club | Education | 501(c)(3) | 2008 | $36,038 | $134,147 | 2026-07 |
| Cops and Kids Foundation Inc | Education | 501(c)(3) | 2010 | $25,882 | $157,051 | 2024-12 |
| Abbot Machine Company Charitable Foundation Inc | 501(c)(3) | 1969 | $152,912 | 2025-12 | ||
| Academy of Religious Leadership | Religion-related | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| American Legion | 501(c)(19) | 1946 | $0 | $0 | 2026-07 | |
| Avery Faith Foundation Inc | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Barons Venture Inc | 501(c)(3) | 2016 | $0 | $0 | 2025-12 | |
| Charger Robotics Booster Club Inc | Education | 501(c)(3) | 2024 | |||
| Concordia Catechetical Academy Inc | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Confessional Evangelical Lutheran Conference Inc | Religion-related | 501(c)(3) | 1996 | |||
| Cundy Foundation of Military Youth Development Inc | Human services | 501(c)(3) | 2021 | $0 | $0 | 2025-08 |
| Eric Scherbarth Leukemia Research Foundation | Medical research | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Faith Lutheran Church | 501(c)(3) | 1966 | ||||
| Friends of the Pauline Haass Public Library | Education | 501(c)(3) | 2026 | |||
| Gardner Foundation Inc | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Glacier Lakes Chapter of the Acbs Inc | Recreation and sports | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Gospel Fellowship of Sussex Inc | Religion-related | 501(c)(3) | 2021 | |||
| Guardians of St Nicholas Dacada Inc | Community improvement and capacity building | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Hamilton High School Pto Inc | Education | 501(c)(3) | 2026 | |||
| Hope Hideaway Nature Incorporated | Education | 501(c)(3) | 2026 | |||
| John Greiten Memorial Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Lannon Stone Foundation Inc | 501(c)(3) | 2004 | $4.3 million | 2025-12 | ||
| Loehrke Fam Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $57,308 | 2025-12 | |
| Milwaukee Jazz Festival | Arts, culture and humanities | 501(c)(3) | 2018 | $36,774 | 2024-12 | |
| Mision de Milagros Inc | International, foreign affairs and national security | 501(c)(3) | 2021 | $25,198 | 2025-12 | |
| Modern Woodmen of America | 501(c)(8) | 1961 | $0 | $0 | 2025-12 | |
| Modern Woodmen of America | 501(c)(8) | 1961 | $0 | $0 | 2025-12 | |
| Modern Woodmen of America | 501(c)(8) | 1961 | $0 | $0 | 2025-12 | |
| Modern Woodmen of America | 501(c)(8) | 1961 | $0 | $0 | 2025-12 | |
| Modern Woodmen of America | 501(c)(8) | 1961 | $0 | $0 | 2025-12 | |
| Oak Outreach Wisconsin Inc | Environment | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Oncology Nursing Society | 501(c)(6) | 1981 | ||||
| Onemaker Inc | International, foreign affairs and national security | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Optimist International | 501(c)(4) | 1958 | $0 | $0 | 2025-09 | |
| Paradoxical Ascent | Community improvement and capacity building | 501(c)(3) | 2026 | |||
| Pauline Haass Public Library | Education | 501(c)(3) | ||||
| Peace Lutheran Church | 501(c)(3) | 1941 | ||||
| Raise and Relish Inc | Food, agriculture and nutrition | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Richmond School Parent Teacher Organization & Booster Club Inc | Education | 501(c)(3) | 2008 | $0 | $0 | 2026-06 |
| Sela Redemptive Theater Co | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Society for Cultivating Rugby Union Mastery | Recreation and sports | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Stormbreak Independent Winter Guard | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Sussex Antique Power Association Inc | 501(c)(3) | 1988 | $0 | $0 | 2025-12 | |
| Sussex Baseball Club Inc | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Sussex Fire Auxiliary | Public safety, disaster preparedness and relief | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Sussex Jayhawks Football Inc | Recreation and sports | 501(c)(3) | 2013 | $0 | $0 | 2024-12 |
| Sussex Lions Club Foundation Inc | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Sussex Lisbon Area Historical Society | Arts, culture and humanities | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Sussex Sled Bugs Snowmobile Club Inc | 501(c)(7) | 1971 | $0 | $0 | 2026-06 | |
| Sussex United Methodist Church | 501(c)(3) | 1974 | 2013-12 | |||
| Unicon Inc | Human services | 501(c)(3) | 2024 | |||
| Unitarian Universalist Buddhist Fellowship Inc | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| United Grand Imperial Coun Knights of Red Cross of Constantine | 501(c)(8) | 1972 | $0 | $0 | 2026-04 | |
| United States Masters Swimming Inc | 501(c)(3) | 1985 | $0 | $0 | 2025-12 | |
| Veterans of Foreign Wars of the United States Dept of Wisconsin | 501(c)(19) | 1973 | $0 | $0 | 2026-06 | |
| Wisconsin All American Youth Football League Inc | Recreation and sports | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
By cause in Sussex, WI
- Education 15
- Recreation and sports 10
- Human services 6
- Religion-related 5
- Arts, culture and humanities 5
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.