Data / Nonprofits / Maryland / Annapolis / Environment
Environment nonprofits in Annapolis, MD: 30 registered with the IRS
30 environment nonprofits are registered with the IRS in Annapolis, MD, 29 of them 501(c)(3) charities; the 16 that report revenue took in $77.5 million. The largest by revenue: Chesapeake Bay Foundation Inc ($35.4 million), Alliance for the Chesapeake Bay Inc ($16 million), Chesapeake Conservancy Inc ($14 million).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Chesapeake Bay Foundation Inc | 501(c)(3) | 1966 | $35.4 million | $127.9 million | 2025-06 |
| Alliance for the Chesapeake Bay Inc | 501(c)(3) | 1978 | $16 million | $10.6 million | 2024-12 |
| Chesapeake Conservancy Inc | 501(c)(3) | 2008 | $14 million | $20.6 million | 2025-09 |
| Maryland Forestry Boards Foundation Inc | 501(c)(3) | 1990 | $2.1 million | $194,411 | 2025-12 |
| Upstream Alliance Inc | 501(c)(3) | 2016 | $2 million | $4.5 million | 2025-12 |
| Maryland League of Conservation Voters Education Fund | 501(c)(3) | 2000 | $1.5 million | $1.4 million | 2024-12 |
| Chesapeake Legal Alliance Inc | 501(c)(3) | 2009 | $1.5 million | $1.6 million | 2025-06 |
| Severn River Association Inc | 501(c)(3) | 2000 | $1.4 million | $1.7 million | 2025-12 |
| Interfaith Partners for the Chesapeake Inc | 501(c)(3) | 2015 | $1.1 million | $674,367 | 2024-12 |
| Chesapeake Rivers Association Inc | 501(c)(3) | 2002 | $1 million | $198,856 | 2025-12 |
| Scenic Rivers Land Trust Inc | 501(c)(3) | 1990 | $777,020 | $2.7 million | 2024-12 |
| Ocean Research Project Inc | 501(c)(3) | 2012 | $267,950 | $48,186 | 2025-06 |
| Spa Creek Conservancy | 501(c)(3) | 2004 | $138,211 | $150,721 | 2025-12 |
| Annapolis Green Inc | 501(c)(3) | 2017 | $98,844 | $50,870 | 2024-12 |
| Environmental Engineering FNDT Inc | 501(c)(3) | 2006 | $62,605 | $362,691 | 2025-12 |
| Concerned Citizens for Proper Land Use Inc | 501(c)(3) | 2021 | $3,889 | $96,656 | 2025-12 |
| Americans for the Conservation of Barroso Portugal Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Annapolis Horticultural Society | 501(c)(7) | 2000 | $0 | $0 | 2025-02 |
| Araybeam Citizens Energy | 501(c)(3) | 2023 | |||
| Cape Conservation Corps | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Cape St Claire Garden Club | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Crab Creek Conservancy Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-06 |
| Creative Education Association Inc | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| District Cleanups | 501(c)(3) | 2022 | $0 | $0 | 2025-09 |
| Federated Garden Clubs of Maryland Inc | 501(c)(3) | 1985 | $0 | $0 | 2025-12 |
| Friends of Greenbury Point Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Little Magothy River Association Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Maryland Wildlife Crime Stoppers Inc | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Spa Creek Youth Brigade Inc | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| Yellow Metal Bees Corporation | 501(c)(3) | 2026 |
Other causes in Annapolis, MD
- Education 80
- Philanthropy, voluntarism and grantmaking foundations 69
- Human services 66
- Arts, culture and humanities 62
- Recreation and sports 60
- Religion-related 51
- Community improvement and capacity building 51
- Health care 31
- Youth development 20
- Mental health and crisis intervention 19
- Civil rights, social action and advocacy 13
- Public and societal benefit 13
- Housing and shelter 13
- Employment 11
- Animal-related 11
- International, foreign affairs and national security 9
- Mutual and membership benefit 8
- Food, agriculture and nutrition 8
- Diseases, disorders and medical disciplines 7
- Public safety, disaster preparedness and relief 7
- Crime and legal-related 7
- Science and technology 4
- Medical research 4
Every nonprofit in Annapolis, MD · 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.