| Sean P Dunn | AES Ohio | — | May-Aug10 |
| Association of Ohio Health Commissioners | — | Jan-Apr09 |
| Aaron M Ockerman | Association of Ohio Health Commissioners | — | May-Aug09 |
| Andrew Minton | Association of Ohio Health Commissioners | — | May-Aug09 |
| Beth Bickford | Association of Ohio Health Commissioners | — | Jan-Apr09 |
| Neil S Clark | Association of Ohio Health Commissioners | — | May-Aug09 |
| County Auditors' Association of Ohio | — | May-Aug09 |
| Thomas P Pappas | County Auditors' Association of Ohio | — | May-Aug09 |
| Willa J Ebersole | County Auditors' Association of Ohio | — | May-Aug09 |
| County Commissioners' Association of Ohio | — | May-Aug09 |
| Cheryl L Subler | County Commissioners' Association of Ohio | — | May-Aug09 |
| Joshua Hahn | County Commissioners' Association of Ohio | — | May-Aug09 |
| Larry L Long | County Commissioners' Association of Ohio | — | May-Aug09 |
| Department of Health | — | May-Aug09 |
| Alvin D Jackson | Department of Health | — | May-Aug09 |
| Anita M Fete | Department of Health | — | May-Aug09 |
| Hamilton County Board of County Commissioners | — | May-Aug09 |
| Christie Angel | Hamilton County Board of County Commissioners | — | May-Aug09 |
| Lisa H Dodge | Hamilton County Board of County Commissioners | — | May-Aug09 |
| Sean P Dunn | Hamilton County Board of County Commissioners | — | May-Aug09 |
| Infiltrator Water Technologies | — | Jan-Apr09 |
| Brock A Wanless | Infiltrator Water Technologies | — | Jan-Apr09 |
| Ohio Environmental Council | — | Sep-Dec09 |
| Jack Shaner | Ohio Environmental Council | — | Jan-Apr10 |
| Kristy Meyer | Ohio Environmental Council | — | Jan-Apr09 |
| Ohio Environmental Protection Agency | — | Sep-Dec09 |
| Charlotte B Hickcox | Ohio Environmental Protection Agency | — | May-Aug09 |
| Chris Korleski | Ohio Environmental Protection Agency | — | May-Aug09 |
| Laura H. Factor | Ohio Environmental Protection Agency | — | May-Aug09 |
| Tracy S Freeman | Ohio Environmental Protection Agency | — | May-Aug09 |
| Ohio Home Builders Association, Inc | — | Jan-Apr09 |
| Kristen Sours | Ohio Home Builders Association, Inc | — | Jan-Apr09 |
| Robert N Eshenbaugh, Jr | Ohio Home Builders Association, Inc | — | Jan-Apr09 |
| Vincent J Squillace | Ohio Home Builders Association, Inc | — | Jan-Apr09 |
| Ohio Manufactured Homes Association (OMHA) | — | May-Aug09 |
| Andrea Reichman | Ohio Manufactured Homes Association (OMHA) | — | May-Aug09 |
| Brooke A Cheney | Ohio Manufactured Homes Association (OMHA) | — | May-Aug09 |
| Kelly C O'Reilly | Ohio Manufactured Homes Association (OMHA) | — | May-Aug09 |
| Matthew S Whitehead | Ohio Manufactured Homes Association (OMHA) | — | May-Aug09 |
| Timothy Williams | Ohio Manufactured Homes Association (OMHA) | — | May-Aug09 |
| Victor F Hipsley | Ohio Manufactured Homes Association (OMHA) | — | May-Aug09 |
| Ohio Municipal League | — | Sep-Dec09 |
| Edward L Albright | Ohio Municipal League | — | Sep-Dec09 |
| John K Mahoney | Ohio Municipal League | — | Sep-Dec09 |
| Kent M Scarrett | Ohio Municipal League | — | Sep-Dec09 |
| Susan J Cave | Ohio Municipal League | — | Sep-Dec09 |
| Ohio Real Estate Investors Association | — | May-Aug09 |
| Brooke A Cheney | Ohio Real Estate Investors Association | — | May-Aug09 |
| Kelly C O'Reilly | Ohio Real Estate Investors Association | — | May-Aug09 |
| Matthew S Whitehead | Ohio Real Estate Investors Association | — | May-Aug09 |
| Victor F Hipsley | Ohio Real Estate Investors Association | — | May-Aug09 |
| Ohio Rural Electric Cooperatives, Inc. | — | May-Aug09 |
| John M Cassady | Ohio Rural Electric Cooperatives, Inc. | — | May-Aug09 |
| Marc A Armstrong | Ohio Rural Electric Cooperatives, Inc. | — | Sep-Dec09 |
| Ohio Township Association | — | May-Aug09 |
| Brooke A Cheney | Ohio Township Association | — | May-Aug09 |
| Heidi M Fought | Ohio Township Association | — | May-Aug09 |
| Kelly C O'Reilly | Ohio Township Association | — | May-Aug09 |
| Matthew DeTemple | Ohio Township Association | — | Sep-Dec10 |
| Matthew S Whitehead | Ohio Township Association | — | May-Aug09 |
| Michael H Cochran | Ohio Township Association | — | May-Aug09 |
| Victor F Hipsley | Ohio Township Association | — | May-Aug09 |
| Onsite Wastewater Industry Alliance | — | May-Aug09 |
| Willa J Ebersole | Onsite Wastewater Industry Alliance | — | May-Aug09 |
| Brock A Wanless | RING Industrial Group, LP | — | Jan-Apr09 |