| Jessie Ball duPont Fund | |
| The John D. and Catherine T. MacArthur Foundation | |
| John Merck Fund | |
| Kate B. Reynolds Charitable Trust | |
| KL Felicitas Foundation | |
| John S. and James L. Knight Foundation | |
| The Kresge Foundation | |
| The Lemelson Foundation | |
| Living Cities (Affiliate) | |
| Louisiana Disaster Recovery Foundation | |
| Lumina Foundation for Education | |
| Lutheran Community Foundation | |
| Maine Health Access Foundation | |
| The Manaus Fund | |
| Margaret A. Cargill Foundation | |
| Marguerite Casey Foundation | |
| Marion I. & Henry J. Knott Foundation | |
| Mary Reynolds Babcock Foundation | |
| Mat-Su Health Foundation | |
| The McKnight Foundation | |
| Melville Charitable Trust | |
| MetLife Foundation | |
| Meyer Memorial Trust | |
| The Minneapolis Foundation | |
| New Hampshire Charitable Foundation | |
| Northwest Area Foundation | |
| The O.P. & W.E. Edwards Foundation | |
| Omidyar Network Fund, Inc. | |
| Oppenheimer Brothers Foundation | |
| Otto Bremer Foundation | |
| The Partnership for New Communities | |
| The Paul and Phyllis Fireman Charitable Foundation | |
| Pearl M. and Julia J. Harmon Foundation | |
| Porter County Community Foundation | |
| Pride Foundation | |
| The Prudential Foundation | |
| Rasmuson Foundation | |
| The Real Estate Foundation | |
| Resources Legacy Fund | |
| The Rhode Island Foundation | |
| The Robert Wood Johnson Foundation | |
| The Rockdale Foundation, Inc. | |
| The Rockefeller Foundation | |
| RSF Social Finance (Affiliate) | |
| The Russell Family Foundation | |
| The Saint Paul Foundation | |
| The San Francisco Foundation | |
| San Luis Obispo County Community Foundation | |
| The Seattle Foundation | |
| The Skoll Foundation | |
|
