| 350 Marin | Website | Nonprofit | San Rafael |
| Citizens' Climate Lobby - Marin | Website | Nonprofit | San Rafael |
| City of Novato - Sustainability | | City Government | Novato |
| Drawdown Bay Area | Website | Nonprofit | San Rafael |
| Drawdown Marin | Website | Nonprofit | San Rafael |
| EAH Housing | Website | Nonprofit | San Rafael |
| Golden Gate Raptor Observatory | Website | Nonprofit | Sausalito |
| Marin Audubon Society | Website | Nonprofit | Mill Valley |
| Marin County | Website | County Government | San Rafael |
| Marin Interfaith Climate Action Network | Website | Religious/Faith-based Org. | San Rafael |
| MCE | Website | Business/Corporation | San Rafael |
| Recurve | Website | Business/Corporation | Mill Valley |
| Resilient Neighborhoods | Website | Nonprofit | San Rafael |
| San Anselmo Sustainability Commission | Website | Commission/Authority | San Anselmo |
| Shore Up Marin | Website | Nonprofit | San Rafael |
| Sunrise Movement - Marin Hub | Website | Nonprofit | Fairfax |
| Sustainable Fairfax | Website | Nonprofit | Fairfax |
| Sustainable Marin | Website | Nonprofit | San Rafael |
| Sustainable Mill Valley | Website | Nonprofit | Mill Valley |
| Sustainable Novato | Website | Nonprofit | Novato |
| Sustainable San Rafael | Website | Nonprofit | San Rafael |
| The Institute for Bird Populations | Website | Nonprofit | Point Reyes Station |
| The Marine Mammal Center | Website | Nonprofit | Sausalito |
| United Nations Association - Marin | Website | Nonprofit | San Rafael |
| Venturepad | Website | Business/Corporation | San Rafael |
| Women's Earth and Climate Action Network | Website | Nonprofit | Mill Valley |