Data / Nonprofits / Wisconsin / Appleton / Environment
Environment nonprofits in Appleton, WI: 15 registered with the IRS
15 environment nonprofits are registered with the IRS in Appleton, WI, 15 of them 501(c)(3) charities; the 3 that report revenue took in $1.8 million. The largest by revenue: Riverview Gardens Inc ($1.1 million), Northeast Wisconsin Land Trust Inc ($618,953), New Organic Solutions Inc ($2,540).
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 | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Riverview Gardens Inc | 501(c)(3) | 2014 | $1.1 million | $5.2 million | 2025-12 |
| Northeast Wisconsin Land Trust Inc | 501(c)(3) | 1996 | $618,953 | $3.9 million | 2024-12 |
| New Organic Solutions Inc | 501(c)(3) | 2024 | $2,540 | $2.2 million | 2024-12 |
| Betty A Lewis Environmental Charitable Trust | 501(c)(3) | 2010 | $2.8 million | 2025-12 | |
| Friends of Ridgeway Pine Relict Sna Inc | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Marigold Mile Inc | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Monarch Society Fox River Valley Inc | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Mountain Bay Foundation Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| National Houndsmen Alliance Inc | 501(c)(3) | 2026 | |||
| Oceanographic Pathways Institute LTD | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Outagamie Counyt Master Gardner Association | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Petenwell and Castle Rock Stewards | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Rost Lake Association Inc | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Stratton Lake Property Ownersassociation Inc | 501(c)(3) | 2006 | $0 | $0 | 2025-09 |
| Wisconsin Garden Club Federation | 501(c)(3) | 2005 | $0 | $0 | 2025-05 |
Other causes in Appleton, WI
- Education 67
- Recreation and sports 53
- Human services 53
- Arts, culture and humanities 45
- Philanthropy, voluntarism and grantmaking foundations 38
- Religion-related 37
- Youth development 34
- Health care 31
- Community improvement and capacity building 25
- Animal-related 18
- Mental health and crisis intervention 11
- Housing and shelter 10
- Public and societal benefit 10
- Employment 9
- Public safety, disaster preparedness and relief 8
- Civil rights, social action and advocacy 8
- Crime and legal-related 8
- International, foreign affairs and national security 7
- Mutual and membership benefit 6
- Diseases, disorders and medical disciplines 6
- Science and technology 4
- Medical research 3
- Food, agriculture and nutrition 3
Every nonprofit in Appleton, WI · 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.