Data / Nonprofits / Wisconsin / Sister Bay / Human services
Human services nonprofits in Sister Bay, WI: 3 registered with the IRS
3 human services nonprofits are registered with the IRS in Sister Bay, WI, 3 of them 501(c)(3) charities; the 2 that report revenue took in $2.3 million. The largest by revenue: Northern Door Child Care Project Inc ($1.7 million), Senior Citizens Agency of Northern Door Inc ($562,389).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Northern Door Child Care Project Inc | 501(c)(3) | 1986 | $1.7 million | $4 million | 2024-12 |
| Senior Citizens Agency of Northern Door Inc | 501(c)(3) | 1979 | $562,389 | $840,602 | 2025-12 |
| Rock On the Rock Inc | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
Other causes in Sister Bay, WI
Every nonprofit in Sister Bay, WI · Human services 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.