| AARP Foundation | |
| The Alaska Community Foundation | |
| The Alaska Mental Health Trust Authority | |
| Alberta Real Estate Foundation | |
| Altman Foundation | |
| Arizona Community Foundation | |
| The Assisi Foundation of Memphis, Inc. | |
| Carolyn W. and Charles T. Beaird Family Foundation | |
| Bernard van Leer Foundation | |
| Betsy and Jesse Fink Foundation | |
| Bill & Melinda Gates Foundation | |
| Blue Moon Fund | |
| The Boston Foundation | |
| California Community Foundation | |
| The California Endowment | |
| California HealthCare Foundation | |
| Calvert Social Investment Foundation (Affiliate) | |
| Carnelian Trust | |
| The Annie E. Casey Foundation | |
| Castanea Foundation, Inc. | |
| Coastal Enterprises, Inc. (Affiliate) | |
| The Colorado Health Foundation | |
| The Columbus Foundation | |
| Common Counsel Foundation | |
| The Community Foundation for Greater New Haven | |
| Community Foundation for Palm Beach and Martin Counties | |
| Community Foundation of Greater Birmingham | |
| Community Foundation of the Holland/Zeeland Area | |
| Consumer Health Foundation | |
| The Daniel Veloric Foundation | |
| The David and Lucile Packard Foundation | |
| Deutsche Bank Foundation | |
| Erich & Hannah Sachs Foundation | |
| The F.B. Heron Foundation | |
| The Ford Foundation | |
| Gaylord and Dorothy Donnelley Foundation | |
| The George Gund Foundation | |
| The Rosamond Gifford Charitable Corporation | |
| Global Bridge Foundation | |
| Gordon and Betty Moore Foundation | |
| Harold K.L. Castle Foundation | |
| The Harvest Foundation | |
| Hau`oli Mau Loa Foundation | |
| Helen Bader Foundation, Inc. | |
| Conrad N. Hilton Foundation | |
| HopeLab Foundation | |
| HRK Foundation | |
| The Hyams Foundation | |
| Iowa West Foundation | |
| Jacobs Center for Neighborhood Innovation | |
|
