| American Petroleum Institute - API Ohio | — | Sep-Dec09 |
| Megan Lashutka | American Petroleum Institute - API Ohio | — | Sep-Dec09 |
| Terry P Fleming | American Petroleum Institute - API Ohio | — | Sep-Dec09 |
| Cargill, Inc. | — | Jan-Apr10 |
| Jennifer Engh | Cargill, Inc. | — | Jan-Apr10 |
| CenterPoint Energy DBA Vectren Energy | — | Jan-Apr10 |
| Joseph M Clark | CenterPoint Energy DBA Vectren Energy | — | Jan-Apr10 |
| Michael F Roeder | CenterPoint Energy DBA Vectren Energy | — | Jan-Apr10 |
| Thomas Froehle | CenterPoint Energy DBA Vectren Energy | — | Jan-Apr10 |
| Columbia Gas Transmission Corporation | — | Sep-Dec09 |
| Richard A Oxender | Columbia Gas Transmission Corporation | — | Sep-Dec09 |
| County Commissioners' Association of Ohio | — | May-Aug09 |
| Bradford L Cole | County Commissioners' Association of Ohio | — | May-Aug09 |
| Cheryl L Subler | County Commissioners' Association of Ohio | — | Sep-Dec09 |
| John R Leutz | County Commissioners' Association of Ohio | — | May-Aug09 |
| Larry L Long | County Commissioners' Association of Ohio | — | May-Aug09 |
| Cuyahoga County Mayors and City Managers Association | — | Sep-Dec09 |
| Timothy J Cosgrove | Cuyahoga County Mayors and City Managers Association | — | Sep-Dec09 |
| Department of Commerce | — | Sep-Dec09 |
| Brian J Misencik | Department of Commerce | — | Sep-Dec09 |
| Ernie Davis | Department of Commerce | — | Sep-Dec09 |
| Jennifer L Flatter | Department of Commerce | — | Sep-Dec09 |
| Kimberly Ann Zurz | Department of Commerce | — | Sep-Dec09 |
| Matt Koppitch | Department of Commerce | — | Sep-Dec09 |
| Department of Taxation | — | May-Aug10 |
| Carol Mahaffey | Department of Taxation | — | May-Aug10 |
| Christopher W Hall | Department of Taxation | — | May-Aug10 |
| Frederick Church | Department of Taxation | — | May-Aug10 |
| Jason Smith | Department of Taxation | — | May-Aug10 |
| John Kohlstrand | Department of Taxation | — | May-Aug10 |
| Kevin L McNeil | Department of Taxation | — | May-Aug10 |
| Mark F Aiken | Department of Taxation | — | May-Aug10 |
| Michael P Sobul | Department of Taxation | — | May-Aug10 |
| Richard A Levin | Department of Taxation | — | May-Aug10 |
| Rick Anthony | Department of Taxation | — | May-Aug10 |
| Dominion Energy | — | May-Aug09 |
| Paul R Briggs | Dominion Energy | — | May-Aug09 |
| Enbridge (US), Inc. | — | Sep-Dec09 |
| Brian K Hicks | Enbridge (US), Inc. | — | Sep-Dec09 |
| Environment Ohio, Inc | — | May-Aug09 |
| Amy Kurt | Environment Ohio, Inc | — | May-Aug09 |
| Charles J Luken | FirstEnergy | — | May-Aug09 |
| Daniel A Reinhard | FirstEnergy | — | May-Aug09 |
| Leah Pappas Porner | FirstEnergy | — | May-Aug09 |
| Governor's Office | — | May-Aug09 |
| Jennifer Lynch | Governor's Office | — | Jan-Apr10 |
| John Haseley | Governor's Office | — | May-Aug09 |
| Kristin (Kris) J Long | Governor's Office | — | May-Aug09 |
| Louis W Capobianco | Governor's Office | — | Jan-Apr10 |
| John T McGough | Industrial Energy Users-Ohio | — | Jan-Apr10 |
| Keith A Shoemaker | Industrial Energy Users-Ohio | — | Jan-Apr10 |
| Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec09 |
| Daniel P Leite | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec09 |
| Keith H Brooks | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec09 |
| Kurt L Leib | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec09 |
| William J Schedel, Jr | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec09 |
| OCSEA AFSCME Local 11 | — | Sep-Dec09 |
| Cathryn K Fellinger | OCSEA AFSCME Local 11 | — | Sep-Dec09 |
| Michael J Adelman | Ohio Bankers League | — | May-Aug10 |
| Ohio Chamber of Commerce | — | Sep-Dec09 |
| Jennifer Klein | Ohio Chamber of Commerce | — | Sep-Dec09 |
| Linda S Woggon | Ohio Chamber of Commerce | — | Sep-Dec09 |
| Ohio Department of Natural Resources | — | May-Aug09 |
| Cathryn Loucas | Ohio Department of Natural Resources | — | Sep-Dec09 |
| Michael P Shelton | Ohio Department of Natural Resources | — | Sep-Dec09 |
| Rich Milleson | Ohio Department of Natural Resources | — | May-Aug09 |
| Sean D Logan | Ohio Department of Natural Resources | — | May-Aug09 |
| Trish Demeter | Ohio Department of Natural Resources | — | May-Aug09 |
| Ohio Environmental Council | — | Jan-Apr10 |
| Jack Shaner | Ohio Environmental Council | — | Sep-Dec09 |
| Kristy Meyer | Ohio Environmental Council | — | Jan-Apr10 |
| Ohio Environmental Protection Agency | — | Jan-Apr10 |
| Charlotte B Hickcox | Ohio Environmental Protection Agency | — | Jan-Apr10 |
| Chris Korleski | Ohio Environmental Protection Agency | — | May-Aug10 |
| Tracy S Freeman | Ohio Environmental Protection Agency | — | May-Aug10 |
| Ohio Fire Chiefs' Association | — | Sep-Dec09 |
| Dan Fitzpatrick | Ohio Fire Chiefs' Association | — | Sep-Dec09 |
| Ohio Funeral Directors Association | — | May-Aug10 |
| Ohio Home Builders Association, Inc | — | Sep-Dec09 |
| Kristen Sours | Ohio Home Builders Association, Inc | — | Sep-Dec09 |
| Vincent J Squillace | Ohio Home Builders Association, Inc | — | Sep-Dec09 |
| James McGregor | Ohio League of Conservation Voters | — | Jan-Apr10 |
| Ohio Municipal Attorney's Association | — | May-Aug10 |
| John E Gotherman | Ohio Municipal Attorney's Association | — | May-Aug10 |
| Ohio Municipal Electric Association | — | Sep-Dec09 |
| Courtney Saunders | Ohio Municipal Electric Association | — | Jan-Apr10 |
| Daniel P Leite | Ohio Municipal Electric Association | — | Sep-Dec09 |
| John W Bentine | Ohio Municipal Electric Association | — | Sep-Dec09 |
| Jolene M Thompson | Ohio Municipal Electric Association | — | Sep-Dec09 |
| Keith H Brooks | Ohio Municipal Electric Association | — | Sep-Dec09 |
| Kurt L Leib | Ohio Municipal Electric Association | — | Sep-Dec09 |
| Michael A Beirne | Ohio Municipal Electric Association | — | Sep-Dec09 |
| Ohio Municipal League | — | Sep-Dec09 |
| Edward L Albright | Ohio Municipal League | — | Sep-Dec09 |
| John E Gotherman | Ohio Municipal League | — | May-Aug10 |
| 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 Oil Gathering Corporation | — | May-Aug09 |
| Matthew Forney | Ohio Oil Gathering Corporation | — | May-Aug09 |
| W Zachary Holzapfel | Ohio Oil Gathering Corporation | — | May-Aug09 |
| Ohio Oil and Gas Association | — | Sep-Dec09 |
| Brian Hickman | Ohio Oil and Gas Association | — | Sep-Dec09 |
| Frederick E Mills | Ohio Oil and Gas Association | — | Sep-Dec09 |
| Thomas E. Stewart | Ohio Oil and Gas Association | — | Sep-Dec09 |
| Ohio State Firefighters' Association | — | Sep-Dec09 |
| Dan Fitzpatrick | Ohio State Firefighters' Association | — | Sep-Dec09 |
| Ohio Township Association | — | Sep-Dec09 |
| Brooke A Cheney | Ohio Township Association | — | Sep-Dec09 |
| Heidi M Fought | Ohio Township Association | — | Sep-Dec09 |
| Kelly C O'Reilly | Ohio Township Association | — | Sep-Dec09 |
| Matthew DeTemple | Ohio Township Association | — | Jan-Apr10 |
| Matthew S Whitehead | Ohio Township Association | — | Sep-Dec09 |
| Michael H Cochran | Ohio Township Association | — | Sep-Dec09 |
| Victor F Hipsley | Ohio Township Association | — | Sep-Dec09 |
| Public Utilities Commission of Ohio | — | Jan-Apr10 |
| Jade D Davis | Public Utilities Commission of Ohio | — | Jan-Apr10 |
| M Beth Trombold | Public Utilities Commission of Ohio | — | Jan-Apr10 |
| Sierra Club - Ohio Chapter | — | Sep-Dec09 |
| Brandi L Whetstone | Sierra Club - Ohio Chapter | — | Sep-Dec09 |