| 1 | Sunrise Project INC Wilmington | $61.1M | $61.1M | $14.0M |
| 2 | Sustainable Energy Utility INC Dover | $48.7M | $48.7M | $162.6M |
| 3 | Climate Arc INC Dover | $44.4M | $44.4M | $30.5M |
| 4 | Wrld Foundation Wilmington | $11.0M | $11.0M | $2.0M |
| 5 | Delaware Botanic Gardens INC Ocean View | $6.9M | $2.6M | $7.4M |
| 6 | Delaware Association of Conservation Districts Dover | $6.6M | $6.6M | $249K |
| 7 | Greater Lewes Foundation Lewes | $5.7M | $5.7M | $6.8M |
| 8 | Partnership for the Delaware Estuary INC Wilmington | $4.6M | $4.6M | $3.5M |
| 9 | Delaware Nature Society INC Hockessin | $4.4M | $4.0M | $51.9M |
| 10 | Harry C Green Residuary Tr Ua 01271993 Wilmington | $3.3M | $1.0M | $7.9M |
| 11 | American Public Gardens Association Wilmington | $3.2M | $3.1M | $1.0M |
| 12 | Delaware Center for Horticulture INC Wilmington | $3.1M | $1.9M | $6.4M |
| 13 | Center for the Inland Bays INC Rehoboth | $3.0M | $3.0M | $2.3M |
| 14 | Synchronicity Earth USA INC Dover | $1.4M | $1.4M | $1.2M |
| 15 | Sky Foundation Wilmington | $1.1M | $0 | $10.0M |
| 16 | Community Resource Center INC Rehoboth Bch | $955K | $932K | $1.2M |
| 17 | Brandywine Shad 2020 INC Wilmington | $950K | $0 | $345K |
| 18 | Sussex Land Foundation INC Rehoboth Bch | $829K | $818K | $8.1M |
| 19 | Climate Catalyst INC Wilmington | $785K | $785K | $785K |
| 20 | Conversation Agreement Fund a Nj Nonprofit Corporation Lewes | $523K | $523K | $838K |
| 21 | Nature is Nonpartisan Wilmington | $400K | $400K | $317K |
| 22 | International Association for Vegetation Science INC Newark | $334K | $334K | $704K |
| 23 | Lewes in Bloom INC Lewes | $262K | $262K | $376K |
| 24 | Friends of Wilmington Parks INC Montchanin | $240K | $194K | $435K |
| 25 | Delaware Greenways INC Wilmington | $232K | $174K | $255K |
| 26 | Roatan Marine Park International INC Dover | $221K | $221K | $47K |
| 27 | Kids Saving the Rainforest INC Frankford | $210K | $210K | $543K |
| 28 | Keep Delaware Beautiful INC Newark | $205K | $205K | $444K |
| 29 | Towle Ocean Conservation Foundation Wilmington | $190K | $0 | $1.0M |
| 30 | Plastic Free Delaware Wilmington | $177K | $175K | $100K |
| 31 | Newark Bike Project INC Newark | $165K | $150K | $37K |
| 32 | Brights Creek Conservancy INC Wilmington | $156K | $156K | $219K |
| 33 | Integrated Vegetation Management Partners INC Newark | $143K | $143K | $16K |
| 34 | Conscious Connections INC Wilmington | $135K | $135K | $86K |
| 35 | Earth Hacks Foundation Claymont | $119K | $119K | $71K |
| 36 | Delaware River and Bay Lighthouse Foundation INC Lewes | $112K | $111K | $629K |
| 37 | Foundation for Renewable Energy and the Environment Wilmington | $92K | $92K | $382K |
| 38 | Al Clinton Charitable Foundation Wilmington | $88K | $0 | $321K |
| 39 | National Conservation District Employees Association INC Dover | $81K | $80K | $187K |
| 40 | Garden Club of Wilmington Community Projects INC Wilmington | $74K | $73K | $497K |
| 41 | Delaware Interfaith Power and Light Dover | $67K | $67K | $46K |
| 42 | Breathe Mongolia - Clean Air Coalition INC Wilmington | $66K | $66K | $134K |
| 43 | Save Groundwater Foundation Lewes | $63K | $63K | $53K |
| 44 | Sea Leg Foundation Lincoln | $53K | $53K | $24K |
| 45 | Nanticoke River Watershed Conservan Cy Seaford | $52K | $52K | $753K |
| 46 | Christina Conservancy INC Wilmington | $34K | $34K | $270K |
| 47 | Global Portal Institute Dover | $31K | $31K | $118 |
| 48 | Delaware Seashore Preservation Foundation INC Ocean View | $15K | $15K | $391K |
| 49 | New Earth Foundation INC Wilmington | $15K | $0 | $1.5M |
| 50 | Friends of Forwood Preserve INC Wilmington | $7K | $7K | $186K |