Data / Nonprofits / Illinois / Winnetka / Environment
Environment nonprofits in Winnetka, IL: 6 registered with the IRS
6 environment nonprofits are registered with the IRS in Winnetka, IL, 6 of them 501(c)(3) charities; the 2 that report revenue took in $69,894. The largest by revenue: Winnetka Garden Club ($47,414), Garden Guild of Winnetka ($22,480).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Winnetka Garden Club | 501(c)(3) | 1969 | $47,414 | $117,162 | 2025-06 |
| Garden Guild of Winnetka | 501(c)(3) | 1978 | $22,480 | $120,802 | 2025-06 |
| Backyard Flower Friends | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Go Green Winnetka | 501(c)(3) | 2016 | $10,757 | 2025-12 | |
| Ikebana International Chicago Chapter | 501(c)(3) | 2005 | $0 | $0 | 2026-06 |
| Replace Plastic NFP | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
Other causes in Winnetka, IL
- Philanthropy, voluntarism and grantmaking foundations 38
- Education 21
- Human services 16
- Recreation and sports 12
- Community improvement and capacity building 7
- Arts, culture and humanities 6
- Youth development 6
- International, foreign affairs and national security 4
- Religion-related 4
- Food, agriculture and nutrition 3
- Public and societal benefit 3
Every nonprofit in Winnetka, IL · Environment 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.