Data / Nonprofits / Maryland / Rockville / Environment
Environment nonprofits in Rockville, MD: 9 registered with the IRS
9 environment nonprofits are registered with the IRS in Rockville, MD, 9 of them 501(c)(3) charities; the 3 that report revenue took in $31.7 million. The largest by revenue: Montgomery County Green Bank Corp ($25.5 million), National Park Trust Inc ($4.7 million), Team River Runner Inc ($1.4 million).
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 |
|---|---|---|---|---|---|
| Montgomery County Green Bank Corp | 501(c)(3) | 2017 | $25.5 million | $141.1 million | 2025-06 |
| National Park Trust Inc | 501(c)(3) | 1991 | $4.7 million | $8.6 million | 2025-06 |
| Team River Runner Inc | 501(c)(3) | 2014 | $1.4 million | $1.6 million | 2024-12 |
| Beyond Coral Foundation Corp | 501(c)(3) | 2019 | $0 | $0 | 2026-06 |
| Mid Atlantic Region Environmental Professionals | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Nationwide Environmental Testing in C | 501(c)(3) | 2026 | |||
| Restore the Climate Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Union of Chinese American Professional Organizations Inc | 501(c)(3) | 2013 | $0 | $0 | 2024-12 |
| Watts Branch Watershed Alliance Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
Other causes in Rockville, MD
- Education 136
- Human services 99
- Religion-related 95
- Arts, culture and humanities 93
- Philanthropy, voluntarism and grantmaking foundations 75
- Community improvement and capacity building 59
- Health care 53
- Recreation and sports 41
- Housing and shelter 30
- Medical research 27
- International, foreign affairs and national security 25
- Youth development 22
- Diseases, disorders and medical disciplines 22
- Public and societal benefit 20
- Mental health and crisis intervention 15
- Science and technology 12
- Animal-related 11
- Employment 11
- Civil rights, social action and advocacy 11
- Crime and legal-related 10
- Public safety, disaster preparedness and relief 8
- Mutual and membership benefit 7
- Food, agriculture and nutrition 5
- Social science 3
Every nonprofit in Rockville, 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.