Data / Nonprofits / Maryland / Silver Spring / Environment
Environment nonprofits in Silver Spring, MD: 22 registered with the IRS
22 environment nonprofits are registered with the IRS in Silver Spring, MD, 21 of them 501(c)(3) charities; the 12 that report revenue took in $59.2 million. The largest by revenue: National Marine Sanctuary Foundation ($36 million), Trees for the Future Inc ($9.9 million), Solid Waste Association of North America Inc ($5.4 million).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| National Marine Sanctuary Foundation | 501(c)(3) | 2001 | $36 million | $15.5 million | 2024-12 |
| Trees for the Future Inc | 501(c)(3) | 1989 | $9.9 million | $5.4 million | 2025-12 |
| Solid Waste Association of North America Inc | 501(c)(3) | 1986 | $5.4 million | $3.4 million | 2025-06 |
| Public Employees for Environmental Responsibility Inc | 501(c)(3) | 1995 | $2.2 million | $1.2 million | 2025-09 |
| Marec Action | 501(c)(4) | 2021 | $2.2 million | $1.6 million | 2025-06 |
| Majority Action | 501(c)(3) | 2018 | $1.5 million | $807,078 | 2024-12 |
| Ioos Association | 501(c)(3) | 2013 | $1.1 million | $583,372 | 2025-09 |
| Waterkeepers Chesapeake Inc | 501(c)(3) | 2015 | $312,302 | $260,733 | 2025-12 |
| One Montgomery Green Inc | 501(c)(3) | 2015 | $292,551 | $80,850 | 2025-12 |
| Charles Koiner Center for Urban Farming | 501(c)(3) | 2018 | $204,075 | $62,002 | 2024-12 |
| Ecosikh Incorporated | 501(c)(3) | 2012 | $111,342 | $191,660 | 2024-12 |
| Mid-Atlantic Renewable Energy Coalition | 501(c)(3) | 2010 | $1 | $23,338 | 2025-06 |
| Clean Montgomery County | 501(c)(3) | 2026 | |||
| Conservation Montgomery | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Consistent Life | 501(c)(3) | 1993 | $0 | $0 | 2024-12 |
| Educational Sustainability Mobilization | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Environmental Certification Organization | 501(c)(3) | 2024 | |||
| Eyes of Paint Branch Inc | 501(c)(3) | 1994 | |||
| Friends of the Ecosystem Restoration Movement Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Neighbors of the Northwest Branch Inc | 501(c)(3) | 2004 | $0 | $0 | 2024-12 |
| Sligo Creek Neighbors for A Sustainable Community | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Teach-A-Tot International Inc | 501(c)(3) | 2018 | $1 | 2019-12 |
Other causes in Silver Spring, MD
- Religion-related 329
- Human services 210
- Education 200
- Arts, culture and humanities 153
- International, foreign affairs and national security 80
- Community improvement and capacity building 73
- Philanthropy, voluntarism and grantmaking foundations 67
- Health care 58
- Recreation and sports 52
- Youth development 43
- Civil rights, social action and advocacy 33
- Public and societal benefit 29
- Housing and shelter 26
- Animal-related 18
- Mental health and crisis intervention 17
- Diseases, disorders and medical disciplines 15
- Mutual and membership benefit 12
- Food, agriculture and nutrition 12
- Medical research 10
- Employment 8
- Crime and legal-related 7
- Science and technology 6
- Public safety, disaster preparedness and relief 6
- Social science 4
Every nonprofit in Silver Spring, 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.