| CenterPoint Energy DBA Vectren Energy | — | Sep-Dec11 |
| Christopher N Slagle | CenterPoint Energy DBA Vectren Energy | — | Sep-Dec11 |
| Gregory J Lestini | CenterPoint Energy DBA Vectren Energy | — | Sep-Dec11 |
| Kurtis A Tunnell | CenterPoint Energy DBA Vectren Energy | — | Sep-Dec11 |
| Laurie Thornton | CenterPoint Energy DBA Vectren Energy | — | Sep-Dec11 |
| Michael F Roeder | CenterPoint Energy DBA Vectren Energy | — | Sep-Dec11 |
| Brandon Lynaugh | Chesapeake Energy | — | Jan-Apr12 |
| County Commissioners' Association of Ohio | — | Sep-Dec11 |
| Larry L Long | County Commissioners' Association of Ohio | — | Sep-Dec11 |
| Dayton Area Chamber of Commerce | — | Jan-Apr12 |
| Chris Kershner | Dayton Area Chamber of Commerce | — | Jan-Apr12 |
| Phillip L Parker | Dayton Area Chamber of Commerce | — | Jan-Apr12 |
| Stephanie Keinath | Dayton Area Chamber of Commerce | — | Jan-Apr12 |
| Department of Health | — | Sep-Dec11 |
| Erika Cybulskis | Department of Health | — | Sep-Dec11 |
| 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 | — | Sep-Dec11 |
| Theodore E. Wymyslo | Department of Health | — | Sep-Dec11 |
| Environment Ohio, Inc | — | Sep-Dec11 |
| Julian Boggs | Environment Ohio, Inc | — | Sep-Dec11 |
| Governor's Office | — | Sep-Dec11 |
| Benjamin Kanzeg | Governor's Office | — | Sep-Dec11 |
| Beth Hansen | Governor's Office | — | Sep-Dec11 |
| Brad Barger | Governor's Office | — | Sep-Dec11 |
| Craig Butler | Governor's Office | — | Jan-Apr12 |
| Jai Chabria | Governor's Office | — | Jan-Apr12 |
| James W. Sheppard, III | Governor's Office | — | Sep-Dec11 |
| Jeff Polesovsky | Governor's Office | — | May-Aug12 |
| Kimberly Kutschbach | Governor's Office | — | May-Aug12 |
| Matt Carle | Governor's Office | — | Sep-Dec11 |
| Melissa Bacon | Governor's Office | — | Sep-Dec11 |
| Scott Blake | Governor's Office | — | Jan-Apr12 |
| Wayne Struble | Governor's Office | — | Sep-Dec11 |
| Industrial Energy Users-Ohio | — | Sep-Dec11 |
| Don Pesich | Industrial Energy Users-Ohio | — | Jan-Apr12 |
| John T McGough | Industrial Energy Users-Ohio | — | Sep-Dec11 |
| Keith A Shoemaker | Industrial Energy Users-Ohio | — | Sep-Dec11 |
| Kevin M Murray | Industrial Energy Users-Ohio | — | May-Aug12 |
| Samuel C Randazzo | Industrial Energy Users-Ohio | — | Sep-Dec11 |
| Scott Edward Elisar | Industrial Energy Users-Ohio | — | Sep-Dec11 |
| Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec11 |
| Courtney Saunders | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec11 |
| Daniel P Leite | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec11 |
| Keith H Brooks | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec11 |
| Kurt L Leib | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec11 |
| William J Schedel, Jr | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec11 |
| Mid-Ohio Regional Planning Commission (MORPC) | — | Jan-Apr12 |
| Laura Koprowski | Mid-Ohio Regional Planning Commission (MORPC) | — | Jan-Apr12 |
| National Federation of Independent Business/Ohio | — | Sep-Dec11 |
| Andy Patterson | National Federation of Independent Business/Ohio | — | Sep-Dec11 |
| Chris Ferruso | National Federation of Independent Business/Ohio | — | Sep-Dec11 |
| Gregory Saul | National Federation of Independent Business/Ohio | — | Sep-Dec11 |
| Jacob Larger | National Federation of Independent Business/Ohio | — | Sep-Dec12 |
| Roger R Geiger | National Federation of Independent Business/Ohio | — | Sep-Dec11 |
| Larry A Davis | Ohio Association of Movers, Inc | — | Sep-Dec11 |
| Sherri Warner | Ohio Association of Movers, Inc | — | Sep-Dec11 |
| Ohio Chamber of Commerce | — | Jan-Apr12 |
| Andrew E Doehrel | Ohio Chamber of Commerce | — | Jan-Apr12 |
| Charlotte B Hickcox | Ohio Chamber of Commerce | — | Jan-Apr12 |
| Sherri Warner | Ohio Chapter International Warehouse and Logistics Association | — | Jan-Apr12 |
| Ohio Chemistry Technology Council | — | Sep-Dec11 |
| Ohio Environmental Council | — | Sep-Dec12 |
| Jack Shaner | Ohio Environmental Council | — | Sep-Dec12 |
| Kristy Meyer | Ohio Environmental Council | — | Sep-Dec12 |
| Ohio Gas Company | — | Sep-Dec11 |
| Samuel C Randazzo | Ohio Gas Company | — | Sep-Dec11 |
| Scott Edward Elisar | Ohio Gas Company | — | Sep-Dec11 |
| Ohio Home Builders Association, Inc | — | May-Aug12 |
| Robert N Eshenbaugh, Jr | Ohio Home Builders Association, Inc | — | Jan-Apr12 |
| Vincent J Squillace | Ohio Home Builders Association, Inc | — | May-Aug12 |
| Ohio Oil Gathering Corporation | — | Jan-Apr12 |
| Jeffrey T DeLeone | Ohio Oil Gathering Corporation | — | Jan-Apr12 |
| Matthew Forney | Ohio Oil Gathering Corporation | — | Jan-Apr12 |
| Ohio Oil and Gas Association | — | Sep-Dec11 |
| Brian Hickman | Ohio Oil and Gas Association | — | Sep-Dec11 |
| Penny Seipel | Ohio Oil and Gas Association | — | May-Aug12 |
| Thomas E. Stewart | Ohio Oil and Gas Association | — | Sep-Dec11 |
| Ohio Right to Life | — | Jan-Apr12 |
| Ohio School Facilities Commission | — | Sep-Dec11 |
| Richard Hickman | Ohio School Facilities Commission | — | Sep-Dec11 |
| Ohio Trucking Association | — | Sep-Dec11 |
| Larry A Davis | Ohio Trucking Association | — | Sep-Dec11 |
| Sherri Warner | Ohio Trucking Association | — | Sep-Dec11 |
| Sierra Club - Ohio Chapter | — | Jan-Apr12 |
| Matt Trokan | Sierra Club - Ohio Chapter | — | Sep-Dec11 |
| Waste Management of Ohio, Inc. | — | Jan-Apr12 |
| Kathryn A Trent | Waste Management of Ohio, Inc. | — | Jan-Apr12 |