| American Petroleum Institute - API Ohio | — | Jan-Apr13 |
| Christian B. Zeigler | American Petroleum Institute - API Ohio | — | May-Aug13 |
| Christina Polesovsky | American Petroleum Institute - API Ohio | — | Jan-Apr13 |
| Robert N Eshenbaugh, Jr | American Petroleum Institute - API Ohio | — | Jan-Apr13 |
| CenterPoint Energy DBA Vectren Energy | — | Jan-Apr13 |
| Christopher N Slagle | CenterPoint Energy DBA Vectren Energy | — | Jan-Apr13 |
| Gregory J Lestini | CenterPoint Energy DBA Vectren Energy | — | Jan-Apr13 |
| J. Thomas Siwo | CenterPoint Energy DBA Vectren Energy | — | Jan-Apr14 |
| Kurtis A Tunnell | CenterPoint Energy DBA Vectren Energy | — | Jan-Apr13 |
| Laurie Thornton | CenterPoint Energy DBA Vectren Energy | — | Jan-Apr13 |
| Marjorie Yano | CenterPoint Energy DBA Vectren Energy | — | Sep-Dec13 |
| Michael F Roeder | CenterPoint Energy DBA Vectren Energy | — | Jan-Apr13 |
| Chevron U.S.A. Inc. and its Affiliates | — | May-Aug13 |
| Andrew Minton | Chevron U.S.A. Inc. and its Affiliates | — | May-Aug13 |
| Stephen Nielson | Chevron U.S.A. Inc. and its Affiliates | — | Sep-Dec14 |
| William L Byers, IV | Chevron U.S.A. Inc. and its Affiliates | — | May-Aug13 |
| Coalition of Ohio Regional Districts | — | Jan-Apr13 |
| Andrew Huffman | Coalition of Ohio Regional Districts | — | Jan-Apr13 |
| Brooke A Cheney | Coalition of Ohio Regional Districts | — | Jan-Apr13 |
| Kelly C O'Reilly | Coalition of Ohio Regional Districts | — | Jan-Apr13 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | Jan-Apr13 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | Jan-Apr13 |
| County Commissioners' Association of Ohio | — | Jan-Apr13 |
| Larry L Long | County Commissioners' Association of Ohio | — | Jan-Apr13 |
| Melissa Bacon | Department of Health | — | Jan-Apr13 |
| Enterprise Products Company | — | Jan-Apr13 |
| Delbert Fore | Enterprise Products Company | — | Jan-Apr13 |
| Nathanael Jonhenry | Enterprise Products Company | — | Jan-Apr13 |
| Timothy J Cosgrove | Enterprise Products Company | — | Jan-Apr13 |
| Fair Gaming Coalition of Ohio | — | Jan-Apr13 |
| Governor's Office | — | Jan-Apr13 |
| Angel Rhodes | Governor's Office | — | Jan-Apr13 |
| Benjamin Kanzeg | Governor's Office | — | Jan-Apr13 |
| Beth Hansen | Governor's Office | — | Jan-Apr13 |
| Brad Barger | Governor's Office | — | Jan-Apr13 |
| Craig Butler | Governor's Office | — | Jan-Apr13 |
| Elle Decot | Governor's Office | — | Jan-Apr14 |
| Eric Poklar | Governor's Office | — | May-Aug13 |
| Jai Chabria | Governor's Office | — | Jan-Apr13 |
| James W. Sheppard, III | Governor's Office | — | Jan-Apr13 |
| Jeff Polesovsky | Governor's Office | — | Jan-Apr13 |
| Kimberly Kutschbach | Governor's Office | — | Jan-Apr13 |
| Madison Whalen | Governor's Office | — | Jan-Apr14 |
| Matt Carle | Governor's Office | — | Jan-Apr13 |
| Megan Fitzmartin | Governor's Office | — | Sep-Dec13 |
| Scott Blake | Governor's Office | — | Jan-Apr13 |
| Wayne Struble | Governor's Office | — | Jan-Apr13 |
| Eric Poklar | Governor's Office of Health Transformation | — | May-Aug13 |
| Hess Corporation | — | Jan-Apr13 |
| Jeffrey T DeLeone | Hess Corporation | — | Jan-Apr13 |
| Matthew Forney | Hess Corporation | — | Jan-Apr13 |
| Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr13 |
| Courtney Saunders | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr13 |
| Daniel P Leite | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr13 |
| Kurt L Leib | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr13 |
| William J Schedel, Jr | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr13 |
| MarkWest Energy Partners, L.P. | — | Jan-Apr13 |
| Jeffrey T DeLeone | MarkWest Energy Partners, L.P. | — | Jan-Apr13 |
| Matthew Forney | MarkWest Energy Partners, L.P. | — | Jan-Apr13 |
| Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Andrew Rigsbee | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Brian Gatley | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Christopher Weaver | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Daniel Crow | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Daniel J Desmond | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| David McElfresh | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| David Wright | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| George S Rusiska | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Glenn Szatala | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Jack E Reall | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| James P Carney | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Jeffery K Moore | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Jeffrey D Younkins | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Mark A Sanders | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Michael Hassinger | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Russell Brode | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Steven Wilson | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Thomas A Rave | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Tracey Wright | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| William Mastroianni | Ohio Association of Professional Fire Fighters | — | Jan-Apr13 |
| Ohio Chamber of Commerce | — | Sep-Dec13 |
| Charlotte B Hickcox | Ohio Chamber of Commerce | — | Sep-Dec13 |
| Ohio Department of Natural Resources | — | Jan-Apr13 |
| Andrew Ware | Ohio Department of Natural Resources | — | Jan-Apr13 |
| Ben Pendery | Ohio Department of Natural Resources | — | Jan-Apr13 |
| Brittney Colvin | Ohio Department of Natural Resources | — | Jan-Apr13 |
| Brock Miskimen | Ohio Department of Natural Resources | — | Sep-Dec13 |
| Erik Mikkelson | Ohio Department of Natural Resources | — | May-Aug13 |
| Frederick Shimp | Ohio Department of Natural Resources | — | Jan-Apr13 |
| Gary Obermiller | Ohio Department of Natural Resources | — | May-Aug14 |
| Glen Cobb | Ohio Department of Natural Resources | — | Jan-Apr13 |
| James Zehringer | Ohio Department of Natural Resources | — | Jan-Apr13 |
| Karl R. Gebhardt | Ohio Department of Natural Resources | — | Jan-Apr13 |
| Michael Williams | Ohio Department of Natural Resources | — | May-Aug13 |
| Robert Boyles | Ohio Department of Natural Resources | — | Jan-Apr14 |
| Thomas Johnston | Ohio Department of Natural Resources | — | Sep-Dec14 |
| Tim Biggam | Ohio Department of Natural Resources | — | Sep-Dec14 |
| William Damschroder | Ohio Department of Natural Resources | — | Jan-Apr13 |
| Ohio Environmental Council | — | Jan-Apr13 |
| Jack Shaner | Ohio Environmental Council | — | Jan-Apr13 |
| Kristy Meyer | Ohio Environmental Council | — | Jan-Apr13 |
| Joshua Brown | Ohio Municipal League | — | Sep-Dec14 |
| Ohio Oil Gathering Corporation | — | Jan-Apr13 |
| Jeffrey T DeLeone | Ohio Oil Gathering Corporation | — | Jan-Apr13 |
| Matthew Forney | Ohio Oil Gathering Corporation | — | Jan-Apr13 |
| Ohio Oil and Gas Association | — | May-Aug13 |
| Brian Hickman | Ohio Oil and Gas Association | — | May-Aug13 |
| Penny Seipel | Ohio Oil and Gas Association | — | May-Aug13 |
| Thomas E. Stewart | Ohio Oil and Gas Association | — | May-Aug13 |
| Ohio Township Association | — | Jan-Apr13 |
| Andrew Huffman | Ohio Township Association | — | Jan-Apr13 |
| Brooke A Cheney | Ohio Township Association | — | Jan-Apr13 |
| Heidi M Fought | Ohio Township Association | — | Jan-Apr13 |
| Kelly C O'Reilly | Ohio Township Association | — | Jan-Apr13 |
| Matthew DeTemple | Ohio Township Association | — | Jan-Apr13 |
| Matthew S Whitehead | Ohio Township Association | — | Jan-Apr13 |
| Victor F Hipsley | Ohio Township Association | — | Jan-Apr13 |
| Waste Management of Ohio, Inc. | — | May-Aug13 |
| Kathryn A Trent | Waste Management of Ohio, Inc. | — | May-Aug13 |