| Zeron Foundation | |
| Woodcock Foundation | |
| Winthrop Rockefeller Foundation | |
| Weyerhaeuser Family Foundation | |
| West Central Initiative | |
| Washington Dental Service Foundation | |
| W.K. Kellogg Foundation | |
| US Endowment for Forestry and Communities | |
| Trinity Grants Program | |
| Tidwell Idaho Foundation, Inc. | |
| Tides Foundation | |
| Thrivent Financial for Lutherans Foundation | |
| Sundance Family Foundation | |
| Lydia B. Stokes Foundation | |
| The Springcreek Foundation | |
| Southwest Initiative Foundation | |
| Soros Economic Development Fund | |
| Solidago Foundation | |
| The Skoll Foundation | |
| The Seattle Foundation | |
| San Luis Obispo County Community Foundation | |
| The San Francisco Foundation | |
| The Saint Paul Foundation | |
| The Russell Family Foundation | |
| RSF Social Finance (Affiliate) | |
| The Rockefeller Foundation | |
| The Rockdale Foundation, Inc. | |
| The Robert Wood Johnson Foundation | |
| The Rhode Island Foundation | |
| Resources Legacy Fund | |
| The Real Estate Foundation | |
| Rasmuson Foundation | |
| The Prudential Foundation | |
| Pride Foundation | |
| Porter County Community Foundation | |
| Pearl M. and Julia J. Harmon Foundation | |
| The Paul and Phyllis Fireman Charitable Foundation | |
| The Partnership for New Communities | |
| Otto Bremer Foundation | |
| Oppenheimer Brothers Foundation | |
| Omidyar Network Fund, Inc. | |
| The O.P. & W.E. Edwards Foundation | |
| Northwest Area Foundation | |
| New Hampshire Charitable Foundation | |
| The Minneapolis Foundation | |
| Meyer Memorial Trust | |
| MetLife Foundation | |
| Melville Charitable Trust | |
| The McKnight Foundation | |
| Mat-Su Health Foundation | |
|
