Data / Nonprofits / Illinois / Rockford / Environment
Environment nonprofits in Rockford, IL: 16 registered with the IRS
16 environment nonprofits are registered with the IRS in Rockford, IL, 16 of them 501(c)(3) charities; the 7 that report revenue took in $12.1 million. The largest by revenue: Natural Land Institute ($4.2 million), Rockford Park District Foundation ($3.4 million), Anderson Gardens ($3.2 million).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Natural Land Institute | 501(c)(3) | 1960 | $4.2 million | $26.1 million | 2025-12 |
| Rockford Park District Foundation | 501(c)(3) | 1980 | $3.4 million | $12.7 million | 2025-12 |
| Anderson Gardens | 501(c)(3) | 1998 | $3.2 million | $14.4 million | 2025-12 |
| Klehm Arboretum and Botanic Garden Inc | 501(c)(3) | 1994 | $750,971 | $388,507 | 2025-10 |
| Keep Northern Illinois Beautiful Inc | 501(c)(3) | 1993 | $412,077 | $590,897 | 2025-06 |
| Rock River Watershed Group | 501(c)(3) | 2021 | $30,151 | $290,794 | 2025-12 |
| Klehm Arboretum Foundation | 501(c)(3) | 2006 | $29,883 | $526,902 | 2025-10 |
| Aquatic Education Group | 501(c)(3) | 1974 | $0 | $0 | 2026-07 |
| Byron Oregon Sportmans & Conservation Club Inc | 501(c)(3) | 2014 | $0 | $0 | 2026-01 |
| Earthbeat Inc | 501(c)(3) | 2006 | $0 | $0 | 2024-12 |
| Esta Barrett Manor and Gardens Inc | 501(c)(3) | 2002 | $6.4 million | 2024-12 | |
| Rock River Fly Casters Consortium NFP | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Rockford Sugar Society | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Sustain Rockford Inc | 501(c)(3) | 2019 | $0 | $0 | 2026-06 |
| Sustainable Development Foundation | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Winnebago County Community Gardens NFP | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
Other causes in Rockford, IL
- Religion-related 103
- Education 79
- Human services 77
- Community improvement and capacity building 57
- Philanthropy, voluntarism and grantmaking foundations 50
- Arts, culture and humanities 48
- Youth development 40
- Health care 27
- Recreation and sports 24
- Housing and shelter 18
- Public and societal benefit 17
- Mental health and crisis intervention 15
- Employment 11
- Animal-related 11
- Crime and legal-related 10
- Mutual and membership benefit 7
- Food, agriculture and nutrition 7
- Diseases, disorders and medical disciplines 6
- Civil rights, social action and advocacy 6
- International, foreign affairs and national security 6
- Medical research 5
- Public safety, disaster preparedness and relief 3
Every nonprofit in Rockford, 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.