- 11th Hour
- Bertha Foundation
- Caldera Foundation
- Craigslist Charitable Fund
- David Rockefeller Foundation
- Frankel Family Foundation
- Fund for a Better Future
- Grantham Foundation for the Environment
- Incite.org
- Julian Grace Foundation
- Kalliopeia Foundation
- MacArthur Foundation
- Mott Foundation
- One Earth
- Park Foundation
- Patagonia Foundation
- Rogovy Foundation
- Salesforce Foundation
- Schooner Foundation