| Alliance For Automotive Innovation | — | Sep-Dec13 |
| Joshua Sanders | Alliance For Automotive Innovation | — | Sep-Dec13 |
| Leah Pappas Porner | Alliance For Automotive Innovation | — | Sep-Dec13 |
| America's Natural Gas Alliance | — | Jan-Apr14 |
| John T McGough | American Coatings Association | — | May-Aug14 |
| American Petroleum Institute - API Ohio | — | Sep-Dec13 |
| Christian B. Zeigler | American Petroleum Institute - API Ohio | — | Sep-Dec13 |
| Christina Polesovsky | American Petroleum Institute - API Ohio | — | Sep-Dec13 |
| Robert N Eshenbaugh, Jr | American Petroleum Institute - API Ohio | — | Sep-Dec13 |
| Ariel Corporation | — | Sep-Dec13 |
| Brad Couch | Ariel Corporation | — | Sep-Dec13 |
| CenterPoint Energy DBA Vectren Energy | — | Sep-Dec13 |
| Gregory J Lestini | CenterPoint Energy DBA Vectren Energy | — | Sep-Dec13 |
| J. Thomas Siwo | CenterPoint Energy DBA Vectren Energy | — | Jan-Apr14 |
| Kurtis A Tunnell | CenterPoint Energy DBA Vectren Energy | — | Sep-Dec13 |
| Laurie Thornton | CenterPoint Energy DBA Vectren Energy | — | Sep-Dec13 |
| Marjorie Yano | CenterPoint Energy DBA Vectren Energy | — | Sep-Dec13 |
| Michael F Roeder | CenterPoint Energy DBA Vectren Energy | — | Sep-Dec13 |
| Central Ohio Transit Authority (COTA) | — | Sep-Dec14 |
| Marchelle Moore | Central Ohio Transit Authority (COTA) | — | Sep-Dec14 |
| Clean Fuels Ohio | — | Sep-Dec13 |
| Dan McCarthy | Clean Fuels Ohio | — | Sep-Dec13 |
| Jason Phillips | Clean Fuels Ohio | — | Sep-Dec13 |
| McKenzie K Davis | Clean Fuels Ohio | — | Sep-Dec13 |
| Michael Toman | Clean Fuels Ohio | — | Sep-Dec14 |
| Richard A Ayish | Clean Fuels Ohio | — | Sep-Dec13 |
| Samuel D Spofforth | Clean Fuels Ohio | — | Sep-Dec13 |
| Jeffrey T DeLeone | Columbia Gas of Ohio, Inc | — | Sep-Dec13 |
| Matthew Forney | Columbia Gas of Ohio, Inc | — | Sep-Dec13 |
| County Commissioners' Association of Ohio | — | May-Aug14 |
| Brian Mead | County Commissioners' Association of Ohio | — | May-Aug14 |
| Department of Development | — | Sep-Dec13 |
| John C Mahaney | Department of Development | — | Sep-Dec13 |
| Rachel Johanson | Department of Development | — | Sep-Dec13 |
| Department of Public Safety | — | May-Aug14 |
| Department of Taxation | — | May-Aug14 |
| Aileen Collins | Department of Taxation | — | May-Aug14 |
| Ernest Massie | Department of Taxation | — | May-Aug14 |
| Gregory Siegfried | Department of Taxation | — | May-Aug14 |
| Joseph Testa | Department of Taxation | — | May-Aug14 |
| Marjorie Kruse | Department of Taxation | — | May-Aug14 |
| Matthew Chafin | Department of Taxation | — | May-Aug14 |
| Michael O'Leary | Department of Taxation | — | May-Aug14 |
| Nicholas Cipiti | Department of Taxation | — | May-Aug14 |
| Stanley Dixon | Department of Taxation | — | May-Aug14 |
| Timothy Lynch | Department of Taxation | — | May-Aug14 |
| Dominion Energy | — | Sep-Dec13 |
| Paul R Briggs | Dominion Energy | — | Sep-Dec13 |
| Michael G Caputo | Energy Systems Group | — | Jan-Apr14 |
| FCA US LLC | — | Sep-Dec13 |
| Christine Estereicher | FCA US LLC | — | Sep-Dec13 |
| Vincent J Squillace, III | FCA US LLC | — | Sep-Dec13 |
| Ford Motor Company | — | Sep-Dec13 |
| Denise M Larr | Ford Motor Company | — | Sep-Dec13 |
| Gabby Bruno | Ford Motor Company | — | Sep-Dec13 |
| William Fitzgibbon | Ford Motor Company | — | Sep-Dec13 |
| General Motors, LLC | — | Sep-Dec13 |
| Brian O'Connell | General Motors, LLC | — | Sep-Dec13 |
| Giant Eagle, Inc | — | Sep-Dec13 |
| Doug Talbott | Giant Eagle, Inc | — | Sep-Dec13 |
| Richard L Boylan | Giant Eagle, Inc | — | Sep-Dec13 |
| Rick Boylan | Giant Eagle, Inc | — | Sep-Dec13 |
| Governor's Office | — | Sep-Dec13 |
| Benjamin Kanzeg | Governor's Office | — | Sep-Dec13 |
| Beth Hansen | Governor's Office | — | Sep-Dec13 |
| Brad Barger | Governor's Office | — | Sep-Dec13 |
| Craig Butler | Governor's Office | — | Sep-Dec13 |
| Elle Decot | Governor's Office | — | Jan-Apr14 |
| Eric Poklar | Governor's Office | — | Sep-Dec13 |
| Jai Chabria | Governor's Office | — | Jan-Apr14 |
| James W. Sheppard, III | Governor's Office | — | Sep-Dec13 |
| Jeff Polesovsky | Governor's Office | — | Sep-Dec13 |
| Kimberly Kutschbach | Governor's Office | — | Sep-Dec13 |
| Madison Whalen | Governor's Office | — | Jan-Apr14 |
| Megan Fitzmartin | Governor's Office | — | Sep-Dec13 |
| Michael Fraizer | Governor's Office | — | Sep-Dec14 |
| Scott Blake | Governor's Office | — | Sep-Dec13 |
| Wayne Struble | Governor's Office | — | Sep-Dec13 |
| Megann Eberhart | Greater Akron Chamber | — | Sep-Dec13 |
| Industrial Commission of Ohio | — | Sep-Dec14 |
| Jacob Bell | Industrial Commission of Ohio | — | Sep-Dec13 |
| John T McGough | Industrial Energy Users-Ohio | — | Sep-Dec13 |
| Interstate Gas Supply, Inc. | — | Sep-Dec13 |
| Denise M Larr | Interstate Gas Supply, Inc. | — | Sep-Dec13 |
| Vince Parisi | Interstate Gas Supply, Inc. | — | Sep-Dec13 |
| William Fitzgibbon | Interstate Gas Supply, Inc. | — | Sep-Dec13 |
| League of Women Voters of Ohio | — | Jan-Apr14 |
| Carrie L Davis | League of Women Voters of Ohio | — | Jan-Apr14 |
| Mid-Ohio Regional Planning Commission (MORPC) | — | Sep-Dec14 |
| Laura Koprowski | Mid-Ohio Regional Planning Commission (MORPC) | — | Sep-Dec14 |
| Stephen E Tugend | Mid-Ohio Regional Planning Commission (MORPC) | — | Sep-Dec14 |
| William Murdock | Mid-Ohio Regional Planning Commission (MORPC) | — | Sep-Dec14 |
| National Waste & Recycling Association | — | Sep-Dec13 |
| Thomas P Pappas | National Waste & Recycling Association | — | Sep-Dec13 |
| Willa J Ebersole | National Waste & Recycling Association | — | Sep-Dec13 |
| Ohio Chamber of Commerce | — | Sep-Dec13 |
| Charlotte B Hickcox | Ohio Chamber of Commerce | — | Sep-Dec13 |
| Ohio Consumers' Counsel | — | Sep-Dec13 |
| Scott Gerfen | Ohio Consumers' Counsel | — | Sep-Dec13 |
| Ohio Contractors Association | — | Jan-Apr14 |
| Angela E Van Fossen | Ohio Contractors Association | — | Jan-Apr14 |
| Ohio Environmental Council | — | Sep-Dec13 |
| Jack Shaner | Ohio Environmental Council | — | Sep-Dec13 |
| Trent Dougherty | Ohio Environmental Council | — | Sep-Dec13 |
| Ohio Environmental Protection Agency | — | Sep-Dec13 |
| Annie van Blaricom | Ohio Environmental Protection Agency | — | Sep-Dec13 |
| Scott Nally | Ohio Environmental Protection Agency | — | Sep-Dec13 |
| Tracy S Freeman | Ohio Environmental Protection Agency | — | Sep-Dec13 |
| Ohio Farm Bureau Federation, Inc. | — | Jan-Apr14 |
| Adam Sharp | Ohio Farm Bureau Federation, Inc. | — | Jan-Apr14 |
| Anthony Seegers | Ohio Farm Bureau Federation, Inc. | — | Jan-Apr14 |
| Brandon Kern | Ohio Farm Bureau Federation, Inc. | — | Jan-Apr14 |
| Yvonne C Lesicko | Ohio Farm Bureau Federation, Inc. | — | Jan-Apr14 |
| Ohio League of Conservation Voters | — | Jan-Apr14 |
| Aaron M Ockerman | Ohio League of Conservation Voters | — | Jan-Apr14 |
| Donald Hollister | Ohio League of Conservation Voters | — | Jan-Apr14 |
| Ohio Manufacturers' Association | — | May-Aug14 |
| Robert Brundrett | Ohio Manufacturers' Association | — | Sep-Dec13 |
| Ryan R Augsburger | Ohio Manufacturers' Association | — | Sep-Dec13 |
| Ohio Petroleum Marketers & Convenience Store Association | — | Sep-Dec14 |
| Ohio Society of Certified Public Accountants | — | Jan-Apr14 |
| Barbara J Benton | Ohio Society of Certified Public Accountants | — | Jan-Apr14 |
| Propane Autogas, LLC | — | Sep-Dec14 |
| Justin McCaulley | Propane Autogas, LLC | — | Sep-Dec14 |
| Public Utilities Commission of Ohio | — | Sep-Dec13 |
| John Keegan | Public Utilities Commission of Ohio | — | Sep-Dec13 |
| Michael Fraizer | Public Utilities Commission of Ohio | — | Sep-Dec13 |
| Thomas Johnson | Public Utilities Commission of Ohio | — | May-Aug14 |
| Todd Snitchler | Public Utilities Commission of Ohio | — | Sep-Dec13 |
| United Parcel Service | — | Jan-Apr14 |
| Raymond Drake | United Parcel Service | — | Jan-Apr14 |
| Waste Management of Ohio, Inc. | — | Sep-Dec13 |
| Kathryn A Trent | Waste Management of Ohio, Inc. | — | Sep-Dec13 |
| Wholesale Beer and Wine Association of Ohio | — | Jan-Apr14 |