| American Petroleum Institute - API Ohio | — | Sep-Dec11 |
| Christina Polesovsky | American Petroleum Institute - API Ohio | — | Sep-Dec11 |
| Terry P Fleming | American Petroleum Institute - API Ohio | — | Sep-Dec11 |
| Aaron M Ockerman | Association of Ohio Health Commissioners | — | Sep-Dec11 |
| Andrew Minton | Association of Ohio Health Commissioners | — | Sep-Dec11 |
| Neil S Clark | Association of Ohio Health Commissioners | — | Sep-Dec11 |
| Brandon Lynaugh | Chesapeake Energy | — | Jan-Apr12 |
| City of Cincinnati | — | Jan-Apr12 |
| Charles H Gerhardt, III | City of Cincinnati | — | Jan-Apr12 |
| James T Benedict | City of Cincinnati | — | Jan-Apr12 |
| Cleveland Metropolitan Park District | — | Sep-Dec11 |
| Belinda M Jones | Cleveland Metropolitan Park District | — | Sep-Dec11 |
| Dan Jones | Cleveland Metropolitan Park District | — | Sep-Dec11 |
| Columbus and Franklin County Metro Parks | — | Sep-Dec11 |
| Belinda M Jones | Columbus and Franklin County Metro Parks | — | Sep-Dec11 |
| Dan Jones | Columbus and Franklin County Metro Parks | — | Sep-Dec11 |
| County Commissioners' Association of Ohio | — | May-Aug12 |
| Larry L Long | County Commissioners' Association of Ohio | — | Sep-Dec11 |
| Department of Health | — | Jan-Apr12 |
| Erika Cybulskis | Department of Health | — | Jan-Apr12 |
| Jessica Crews | Department of Health | — | Jan-Apr12 |
| Kate Philips | Department of Health | — | May-Aug12 |
| Melissa Bacon | Department of Health | — | Sep-Dec12 |
| Steve Wermuth | Department of Health | — | Jan-Apr12 |
| Theodore E. Wymyslo | Department of Health | — | Jan-Apr12 |
| Brooke A Cheney | Duke Energy Business Services | — | Sep-Dec12 |
| Enterprise Products Company | — | Jan-Apr12 |
| Delbert Fore | Enterprise Products Company | — | Jan-Apr12 |
| Nathanael Jonhenry | Enterprise Products Company | — | Jan-Apr12 |
| Timothy J Cosgrove | Enterprise Products Company | — | Jan-Apr12 |
| Environment Ohio, Inc | — | Sep-Dec11 |
| Julian Boggs | Environment Ohio, Inc | — | Sep-Dec11 |
| Leah Pappas Porner | FirstEnergy | — | 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 |
| Jai Chabria | Governor's Office | — | May-Aug12 |
| 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 | — | Jan-Apr12 |
| 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 |
| 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 |
| Ohio Chamber of Commerce | — | Sep-Dec11 |
| Charlotte B Hickcox | Ohio Chamber of Commerce | — | Sep-Dec11 |
| Ohio Department of Natural Resources | — | Jan-Apr12 |
| Andrew Ware | Ohio Department of Natural Resources | — | Jan-Apr12 |
| Ben Pendery | Ohio Department of Natural Resources | — | Jan-Apr12 |
| Brittney Colvin | Ohio Department of Natural Resources | — | Jan-Apr12 |
| Frederick Shimp | Ohio Department of Natural Resources | — | Jan-Apr12 |
| Glen Cobb | Ohio Department of Natural Resources | — | Jan-Apr12 |
| James Zehringer | Ohio Department of Natural Resources | — | Jan-Apr12 |
| Karl R. Gebhardt | Ohio Department of Natural Resources | — | Jan-Apr12 |
| Michael Biddison | Ohio Department of Natural Resources | — | Jan-Apr12 |
| Nathan Aichele | Ohio Department of Natural Resources | — | Jan-Apr12 |
| William Damschroder | Ohio Department of Natural Resources | — | Jan-Apr12 |
| Ohio Environmental Council | — | Jan-Apr12 |
| Jack Shaner | Ohio Environmental Council | — | Jan-Apr12 |
| Kristy Meyer | Ohio Environmental Council | — | May-Aug12 |
| Ohio Gas Company | — | Sep-Dec11 |
| Samuel C Randazzo | Ohio Gas Company | — | Sep-Dec11 |
| Scott Edward Elisar | Ohio Gas Company | — | Sep-Dec11 |
| 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 Township Association | — | Sep-Dec11 |
| Andrew Huffman | Ohio Township Association | — | Sep-Dec11 |
| Brooke A Cheney | Ohio Township Association | — | Sep-Dec11 |
| Heidi M Fought | Ohio Township Association | — | Sep-Dec11 |
| Kelly C O'Reilly | Ohio Township Association | — | Sep-Dec11 |
| Matthew DeTemple | Ohio Township Association | — | Sep-Dec11 |
| Matthew S Whitehead | Ohio Township Association | — | Sep-Dec11 |
| Victor F Hipsley | Ohio Township Association | — | Sep-Dec11 |
| Sierra Club - Ohio Chapter | — | Jan-Apr12 |
| Matt Trokan | Sierra Club - Ohio Chapter | — | Sep-Dec11 |
| Waste Management of Ohio, Inc. | — | Sep-Dec11 |
| Kathryn A Trent | Waste Management of Ohio, Inc. | — | Sep-Dec11 |