Data / Nonprofits / Wisconsin / Grafton / Recreation and sports
Recreation and sports nonprofits in Grafton, WI: 14 registered with the IRS
14 recreation and sports nonprofits are registered with the IRS in Grafton, WI, 13 of them 501(c)(3) charities; the 4 that report revenue took in $2 million. The largest by revenue: I Am Volleyball Club Inc ($960,931), Bigler Sports Inc ($952,026), Grafton Baseball Inc ($65,370).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| I Am Volleyball Club Inc | 501(c)(3) | 2013 | $960,931 | $111,355 | 2025-06 |
| Bigler Sports Inc | 501(c)(3) | 2012 | $952,026 | $272,870 | 2024-12 |
| Grafton Baseball Inc | 501(c)(3) | 2025 | $65,370 | $16,653 | 2025-12 |
| Grafton Athletic Booster Club Inc | 501(c)(3) | 1991 | $62,682 | $70,261 | 2025-06 |
| Cedarburg Matdogs | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Grafton Basketball Club Inc | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Grafton Hoops Inc | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Grafton Wrestling Club Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Midwest Vert Ramp Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Muttland Meadows Inc | 501(c)(3) | 1997 | $0 | $0 | 2024-12 |
| Ozaukee County Senior Mens Golf League | 501(c)(7) | 2024 | $0 | $0 | 2025-09 |
| The United State Pony Clubs Inc | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| United States Bowling Congress Inc | 501(c)(3) | 2004 | $0 | $0 | 2026-07 |
| Wisconsin Youth Camping Foundation Inc | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
Other causes in Grafton, WI
- Education 14
- Arts, culture and humanities 12
- Human services 11
- Religion-related 9
- Philanthropy, voluntarism and grantmaking foundations 5
- Community improvement and capacity building 4
- Mutual and membership benefit 3
- Mental health and crisis intervention 3
- Crime and legal-related 3
Every nonprofit in Grafton, 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.