| Ohio EPA |
| Margaret A. Cargill Foundation |
| The Burton D. Morgan Foundation |
| Mrs. Joan Jagow+ and the Estate of Joan Jagow |
| Anthony A. Caimi and Nina R. Caimi |
| Kathleen Coleman '87 and The Lester E. and Kathleen A. Coleman Foundation |
| Anonymous |
| Paula Frohring and the Paul and Maxine Frohring Foundation, Inc. |
| The Estate of Lew Genge |
| Ewing M. Kauffman Foundation |
| The Renner Foundation |
| Todd Morris and Faith (Kelker) Morris '62/'64 |
| Mary F. Shale Administrative Trust |
| L. David Sibley |
| Stephen Love '09 and Jacquelyn Love |
| Harley C. and Mary H. Price Foundation |
| American Chemical Society |
| Helen Ann Conrad |
| Carl Draucker and Claire Draucker '73/-- |
| Fred A. Lennon Charitable Trust |
| The Estate of Wilson Hoffman |
| John P. Murphy Foundation |
| The Kent H. Smith Charitable Trust |
| Tahlman Krumm and Elizabeth Krumm |
| National Science Foundation |
| Rollin M. Gerstacker Foundation |
| The Sarah Marie Martin and Nicholas Brophy Charitable Fund |
