| Association of Ohio Health Commissioners | — | Jan-Apr11 |
| Aaron M Ockerman | Association of Ohio Health Commissioners | — | Jan-Apr11 |
| Andrew Minton | Association of Ohio Health Commissioners | — | Jan-Apr11 |
| Beth Bickford | Association of Ohio Health Commissioners | — | Jan-Apr11 |
| Neil S Clark | Association of Ohio Health Commissioners | — | Jan-Apr11 |
| Fredrick B Pausch | Bliss Lobbying & Consulting LLC | — | Jan-Apr11 |
| Brooke A Cheney | Coalition for Fiscal Fairness in Ohio | — | May-Aug12 |
| Coalition of Ohio Regional Districts | — | Jan-Apr11 |
| Andrew Huffman | Coalition of Ohio Regional Districts | — | May-Aug11 |
| Brooke A Cheney | Coalition of Ohio Regional Districts | — | Jan-Apr11 |
| Kelly C O'Reilly | Coalition of Ohio Regional Districts | — | Jan-Apr11 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | Jan-Apr11 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | Jan-Apr11 |
| County Commissioners' Association of Ohio | — | Jan-Apr11 |
| Joshua Hahn | County Commissioners' Association of Ohio | — | Jan-Apr11 |
| County Engineers Association of Ohio | — | Jan-Apr11 |
| Fredrick B Pausch | County Engineers Association of Ohio | — | Jan-Apr11 |
| Department of Health | — | Jan-Apr11 |
| Erika Cybulskis | Department of Health | — | Jan-Apr11 |
| Jessica Crews | Department of Health | — | Sep-Dec11 |
| Kate Philips | Department of Health | — | May-Aug12 |
| Melissa Bacon | Department of Health | — | Sep-Dec12 |
| Steve Wermuth | Department of Health | — | Jan-Apr11 |
| Theodore E. Wymyslo | Department of Health | — | Jan-Apr11 |
| Governor's Office | — | Jan-Apr11 |
| Ben Kaiser | Governor's Office | — | Jan-Apr11 |
| Benjamin Kanzeg | Governor's Office | — | Jan-Apr11 |
| Beth Hansen | Governor's Office | — | Jan-Apr11 |
| Brad Barger | Governor's Office | — | Sep-Dec11 |
| Craig Butler | Governor's Office | — | Sep-Dec11 |
| Jai Chabria | Governor's Office | — | May-Aug12 |
| James W. Sheppard, III | Governor's Office | — | Jan-Apr11 |
| Jeff Polesovsky | Governor's Office | — | May-Aug12 |
| Kimberly Kutschbach | Governor's Office | — | May-Aug12 |
| Matt Carle | Governor's Office | — | Jan-Apr11 |
| Melissa Bacon | Governor's Office | — | Sep-Dec11 |
| Scott Blake | Governor's Office | — | Jan-Apr12 |
| Wayne Struble | Governor's Office | — | Jan-Apr11 |
| Mechanical Contractors Association of Ohio | — | Jan-Apr11 |
| Daniel A Reinhard | Mechanical Contractors Association of Ohio | — | Jan-Apr11 |
| Joshua Sanders | Mechanical Contractors Association of Ohio | — | Jan-Apr11 |
| Ohio Apartment Association | — | Jan-Apr11 |
| Ohio Association of REALTORS | — | Jan-Apr11 |
| Scott R Williams | Ohio Association of REALTORS | — | Jan-Apr11 |
| Ohio Chamber of Commerce | — | May-Aug11 |
| Charlotte B Hickcox | Ohio Chamber of Commerce | — | Sep-Dec11 |
| Jennifer Klein | Ohio Chamber of Commerce | — | May-Aug11 |
| Ohio Environmental Council | — | Jan-Apr11 |
| Jack Shaner | Ohio Environmental Council | — | Jan-Apr11 |
| Ohio Environmental Health Association | — | May-Aug11 |
| Anthony Brigano | Ohio Environmental Health Association | — | May-Aug11 |
| W Zachary Holzapfel | Ohio Environmental Health Association | — | May-Aug11 |
| Ohio Home Builders Association, Inc | — | Jan-Apr11 |
| Kristen Sours | Ohio Home Builders Association, Inc | — | Jan-Apr11 |
| Robert N Eshenbaugh, Jr | Ohio Home Builders Association, Inc | — | Jan-Apr11 |
| Vincent J Squillace | Ohio Home Builders Association, Inc | — | Jan-Apr11 |
| Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr11 |
| Andrea Reichman | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr11 |
| Andrew Huffman | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr12 |
| Brooke A Cheney | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr11 |
| Kelly C O'Reilly | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr11 |
| Matthew S Whitehead | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr11 |
| Timothy Williams | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr11 |
| Victor F Hipsley | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr11 |
| Ohio Real Estate Investors Association | — | Jan-Apr11 |
| Andrew Huffman | Ohio Real Estate Investors Association | — | May-Aug11 |
| Brooke A Cheney | Ohio Real Estate Investors Association | — | Jan-Apr11 |
| Kelly C O'Reilly | Ohio Real Estate Investors Association | — | Jan-Apr11 |
| Matthew S Whitehead | Ohio Real Estate Investors Association | — | Jan-Apr11 |
| Victor F Hipsley | Ohio Real Estate Investors Association | — | Jan-Apr11 |
| Ohio Society of Professional Engineers | — | May-Aug11 |
| Holly Flanigan | Ohio Society of Professional Engineers | — | May-Aug11 |
| Richard B Colby | Ohio Society of Professional Engineers | — | Jan-Apr11 |
| Sarah E Weigand | Ohio Society of Professional Engineers | — | Jan-Apr11 |
| Ohio Township Association | — | Jan-Apr11 |
| Andrew Huffman | Ohio Township Association | — | May-Aug11 |
| Brooke A Cheney | Ohio Township Association | — | Jan-Apr11 |
| Heidi M Fought | Ohio Township Association | — | Jan-Apr11 |
| Kelly C O'Reilly | Ohio Township Association | — | Jan-Apr11 |
| Matthew DeTemple | Ohio Township Association | — | Jan-Apr11 |
| Matthew S Whitehead | Ohio Township Association | — | Jan-Apr11 |
| Victor F Hipsley | Ohio Township Association | — | Jan-Apr11 |
| Professional Land Surveyors of Ohio, Inc. | — | Jan-Apr11 |
| Melinda Gilpin | Professional Land Surveyors of Ohio, Inc. | — | Jan-Apr11 |
| Rumpke Consolidated Companies | — | Sep-Dec11 |
| Charles J Luken | Rumpke Consolidated Companies | — | Sep-Dec11 |
| Leah Pappas Porner | Rumpke Consolidated Companies | — | Sep-Dec11 |