Data / Nonprofits / Wisconsin / Oconomowoc / Environment
Environment nonprofits in Oconomowoc, WI: 6 registered with the IRS
6 environment nonprofits are registered with the IRS in Oconomowoc, WI, 6 of them 501(c)(3) charities; the 2 that report revenue took in $79,628. The largest by revenue: Southeast Wisconsin Land Conservancy ($58,008), Crystal Lake Assoc Inc ($21,620).
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 |
|---|---|---|---|---|---|
| Southeast Wisconsin Land Conservancy | 501(c)(3) | 2021 | $58,008 | $766,922 | 2025-12 |
| Crystal Lake Assoc Inc | 501(c)(3) | 2023 | $21,620 | $13,331 | 2025-12 |
| Friendship Force of Greater Milwaukee Inc | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Golden Lake Association Inc | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Lac La Belle Environmental Foundation Inc | 501(c)(3) | 1994 | $0 | $0 | 2024-12 |
| Southeast Fox River Partnership | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
Other causes in Oconomowoc, WI
- Recreation and sports 32
- Education 24
- Religion-related 15
- Human services 14
- Public safety, disaster preparedness and relief 11
- Arts, culture and humanities 10
- Philanthropy, voluntarism and grantmaking foundations 9
- Health care 9
- Mental health and crisis intervention 9
- Community improvement and capacity building 6
- Public and societal benefit 6
- International, foreign affairs and national security 5
- Animal-related 3
- Food, agriculture and nutrition 3
Every nonprofit in Oconomowoc, 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.