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Data / Nonprofits / Delaware / Dover / Environment

Environment nonprofits in Dover, DE: 30 registered with the IRS

30 environment nonprofits are registered with the IRS in Dover, DE, 30 of them 501(c)(3) charities; the 8 that report revenue took in $100.4 million. The largest by revenue: Sustainable Energy Utility Inc ($48.7 million), Climate Arc Inc ($44.4 million), Delaware Association of Conservation Districts ($6.7 million).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Sustainable Energy Utility Inc501(c)(3)2009$48.7 million$162.6 million2025-06
Climate Arc Inc501(c)(3)2024$44.4 million$30.5 million2024-12
Delaware Association of Conservation Districts501(c)(3)1994$6.7 million$214,3162025-12
Roatan Marine Park International Inc501(c)(3)2015$284,234$25,2402025-12
National Conservation District Employees Association Inc501(c)(3)2006$80,245$186,5132024-12
Delaware Interfaith Power and Light501(c)(3)2012$66,863$46,1242024-06
Global Portal Institute501(c)(3)2023$14,177$1,8542025-12
Renew New England Alliance501(c)(3)2020$2,230$8,8242024-12
Ayni Conscious Living Institute501(c)(3)2024
Blockchain Institute501(c)(3)2024
Blueeconomynewsearth Inc501(c)(3)2026
City Funding Foundation501(c)(3)2025
Clean Energy Research & Educationinstitute Inc501(c)(3)2007$0$02024-12
Coral Catch Global Foundation501(c)(3)2026
Delaware Association for Environmental Education501(c)(3)2016$0$02024-12
Delaware Invasive Species Council Inc501(c)(3)2002$0$02025-12
Delaware Native Plant Society501(c)(3)2004$0$02025-12
Delaware Onsite Wastewater Association Inc501(c)(3)2012$0$02025-12
Ecological Research & Development Group Inc501(c)(3)1996$0$02025-06
First State Resource Conservation and Development Council Inc501(c)(3)1987$0$02025-06
Forest4future Incorporated501(c)(3)2026
Fossil Free Media Inc501(c)(3)2025$0$02024-12
Global Empathy Project Inc501(c)(3)2025$0$02025-12
High Asia Habitat Fund501(c)(3)2020$0$02024-12
Kent County Conservancy Inc501(c)(3)2015$0$02026-06
Muslim Climate Watch Inc501(c)(3)2024$0$02024-12
Outdoorist Foundation501(c)(3)2024$0$02025-12
Puri-Bawdon Family Foundation501(c)(3)2024
R G Mendez Foundation501(c)(3)2025
Turn the Tide Foundation Inc501(c)(3)2026$0$02025-12

Other causes in Dover, DE

Every nonprofit in Dover, DE · 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.