| Bank of America Charitable Foundation |
| The Capital Group Companies Charitable Foundation |
| Caterpillar Foundation |
| Chevron Humankind |
| Dow Corning |
| Exxon Mobil |
| GE Foundation |
| The Gerber Foundation |
| Grand Rapids Community Foundation |
| The Harry A. & Margaret D. Towsley Foundation |
| The Herbert H. and Grace A. Dow Foundation |
| IBM Corporation |
| Pfizer Foundation |
| PNC Foundation Matching Gift Center |
| Rockwell Automation |
| Steelcase Foundation |
| W.K. Kellogg Foundation |
| Wolverine Worldwide |