| City of Columbus | — | Jan-Apr10 |
| Pamela E. Hykes O'Grady | City of Columbus | — | Jan-Apr10 |
| Coalition of Ohio Regional Districts | — | Jan-Apr10 |
| Brooke A Cheney | Coalition of Ohio Regional Districts | — | Jan-Apr10 |
| Kelly C O'Reilly | Coalition of Ohio Regional Districts | — | Jan-Apr10 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | Jan-Apr10 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | Jan-Apr10 |
| County Commissioners' Association of Ohio | — | Jan-Apr10 |
| Joshua Hahn | County Commissioners' Association of Ohio | — | Jan-Apr10 |
| Larry L Long | County Commissioners' Association of Ohio | — | Jan-Apr10 |
| Mid-Ohio Regional Planning Commission (MORPC) | — | Jan-Apr10 |
| Chester R Jourdan, Jr | Mid-Ohio Regional Planning Commission (MORPC) | — | Jan-Apr10 |
| Ohio American Water Company | — | Jan-Apr10 |
| Christopher N Slagle | Ohio American Water Company | — | Jan-Apr10 |
| Gregory J Lestini | Ohio American Water Company | — | Jan-Apr10 |
| Ohio Environmental Protection Agency | — | Jan-Apr10 |
| Charlotte B Hickcox | Ohio Environmental Protection Agency | — | Jan-Apr10 |
| Chris Korleski | Ohio Environmental Protection Agency | — | Jan-Apr10 |
| Tracy S Freeman | Ohio Environmental Protection Agency | — | Jan-Apr10 |
| Ohio Municipal League | — | Jan-Apr10 |
| Edward L Albright | Ohio Municipal League | — | Jan-Apr10 |
| John K Mahoney | Ohio Municipal League | — | Jan-Apr10 |
| Kent M Scarrett | Ohio Municipal League | — | Jan-Apr10 |
| Susan J Cave | Ohio Municipal League | — | Jan-Apr10 |
| Ohio Water Well Association | — | May-Aug10 |
| Luther L Liggett, Jr. | Ohio Water Well Association | — | May-Aug10 |
| Utility Service Co., Inc. | — | Jan-Apr10 |
| Matthew Forney | Utility Service Co., Inc. | — | Jan-Apr10 |