| AT&T | — | Jan-Apr18 |
| Jan Bans | AT&T | — | Jan-Apr18 |
| American Petroleum Institute - API Ohio | — | May-Aug17 |
| Christian B. Zeigler | American Petroleum Institute - API Ohio | — | May-Aug17 |
| Christina Polesovsky | American Petroleum Institute - API Ohio | — | Jan-Apr17 |
| Christopher N Slagle | American Petroleum Institute - API Ohio | — | May-Aug17 |
| Claire Linkhart | American Petroleum Institute - API Ohio | — | Sep-Dec17 |
| Gregory J Lestini | American Petroleum Institute - API Ohio | — | May-Aug17 |
| Kurtis A Tunnell | American Petroleum Institute - API Ohio | — | May-Aug17 |
| Matt Koppitch | American Petroleum Institute - API Ohio | — | May-Aug17 |
| Antero Resources | — | Sep-Dec17 |
| Jim Samuel | Antero Resources | — | Sep-Dec17 |
| Ascent Resources | — | Jan-Apr18 |
| Amanda Finn | Ascent Resources | — | Jan-Apr18 |
| CNX Resources | — | Sep-Dec17 |
| M Patrick McCune | CNX Resources | — | Sep-Dec17 |
| Chesapeake Energy | — | Sep-Dec17 |
| Matthew Hammond | Chesapeake Energy | — | Sep-Dec17 |
| Shawn Nelson | Chesapeake Energy | — | Jan-Apr18 |
| Thomas Niehaus | Chesapeake Energy | — | Jan-Apr18 |
| Christopher S Colwell | Cincinnati Bell, Inc. (d/b/a altafiber) | — | Sep-Dec18 |
| City of Dayton | — | Jan-Apr17 |
| Cleveland Metropolitan Park District | — | Sep-Dec18 |
| Belinda M Jones | Cleveland Metropolitan Park District | — | Sep-Dec18 |
| Dan Jones | Cleveland Metropolitan Park District | — | Sep-Dec18 |
| Daniel Hurley | Cleveland Metropolitan Park District | — | Sep-Dec18 |
| County Commissioners' Association of Ohio | — | May-Aug17 |
| Cheryl L Subler | County Commissioners' Association of Ohio | — | May-Aug17 |
| Department of Taxation | — | May-Aug17 |
| Adam Schwiebert | Department of Taxation | — | May-Aug17 |
| Ernest Massie | Department of Taxation | — | May-Aug17 |
| Gregory Siegfried | Department of Taxation | — | May-Aug17 |
| Joseph Testa | Department of Taxation | — | May-Aug17 |
| Margaret Sheehan | Department of Taxation | — | Jan-Apr18 |
| Marjorie Kruse | Department of Taxation | — | May-Aug17 |
| Matthew Chafin | Department of Taxation | — | May-Aug17 |
| Michael O'Leary | Department of Taxation | — | May-Aug17 |
| Nicholas Cipiti | Department of Taxation | — | May-Aug17 |
| Stanley Dixon | Department of Taxation | — | May-Aug17 |
| Timothy Lynch | Department of Taxation | — | May-Aug17 |
| Joseph P.A. Jarabek | EnviroScience, Inc. | — | Jan-Apr18 |
| Exxon Mobil Corporation | — | May-Aug17 |
| Courtney Saunders | Exxon Mobil Corporation | — | May-Aug17 |
| Daniel P Leite | Exxon Mobil Corporation | — | May-Aug17 |
| Karen Matusic | Exxon Mobil Corporation | — | May-Aug18 |
| Kurt L Leib | Exxon Mobil Corporation | — | May-Aug17 |
| Robert N Eshenbaugh, Jr | Exxon Mobil Corporation | — | May-Aug17 |
| Farmers Insurance Group | — | Jan-Apr17 |
| Diane M Chapman | Farmers Insurance Group | — | Jan-Apr17 |
| Governor's Office | — | Jan-Apr17 |
| Beth Hansen | Governor's Office | — | May-Aug17 |
| Dawn Larzelere | Governor's Office | — | May-Aug17 |
| Merle Madrid | Governor's Office | — | Jan-Apr17 |
| Michael Fraizer | Governor's Office | — | Jan-Apr17 |
| Sarah Huffman | Governor's Office | — | May-Aug17 |
| Tim Biggam | Governor's Office | — | Sep-Dec17 |
| Wayne Struble | Governor's Office | — | May-Aug17 |
| Zach Prouty | Governor's Office | — | Jan-Apr18 |
| Alex Shumate | Greater Cleveland Partnership | — | May-Aug18 |
| Gulfport Energy Corporation | — | Sep-Dec17 |
| Michael W Wise | Gulfport Energy Corporation | — | Sep-Dec17 |
| Halliburton | — | Jan-Apr17 |
| Dwayne Siekman | Halliburton | — | Jan-Apr17 |
| Pamela Siekman | Halliburton | — | Jan-Apr17 |
| Hess Corporation | — | May-Aug17 |
| Jeffrey T DeLeone | Hess Corporation | — | May-Aug17 |
| Matthew Forney | Hess Corporation | — | May-Aug17 |
| Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | May-Aug17 |
| Courtney Saunders | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | May-Aug17 |
| Daniel P Leite | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | May-Aug17 |
| David Blatnik | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | May-Aug17 |
| Kurt L Leib | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | May-Aug17 |
| Robert N Eshenbaugh, Jr | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | May-Aug17 |
| MarkWest Energy Partners, L.P. | — | May-Aug17 |
| Jeffrey T DeLeone | MarkWest Energy Partners, L.P. | — | May-Aug17 |
| Matthew Forney | MarkWest Energy Partners, L.P. | — | May-Aug17 |
| Office of Budget and Management | — | May-Aug17 |
| Andy Shifflette | Office of Budget and Management | — | May-Aug17 |
| Timothy S Keen | Office of Budget and Management | — | May-Aug17 |
| Ohio Chamber of Commerce | — | May-Aug17 |
| Zachary Frymier | Ohio Chamber of Commerce | — | May-Aug17 |
| Ohio Department of Natural Resources | — | May-Aug17 |
| Andrew Ware | Ohio Department of Natural Resources | — | May-Aug17 |
| Bethany McCorkle | Ohio Department of Natural Resources | — | May-Aug17 |
| Bradley Bales | Ohio Department of Natural Resources | — | May-Aug17 |
| Brock Miskimen | Ohio Department of Natural Resources | — | May-Aug17 |
| Frederick Shimp | Ohio Department of Natural Resources | — | May-Aug17 |
| Gary Obermiller | Ohio Department of Natural Resources | — | May-Aug17 |
| James Zehringer | Ohio Department of Natural Resources | — | May-Aug17 |
| Katie Hegarty | Ohio Department of Natural Resources | — | May-Aug17 |
| Robert Boyles | Ohio Department of Natural Resources | — | May-Aug17 |
| Ryan Frazee | Ohio Department of Natural Resources | — | May-Aug17 |
| Thomas Johnston | Ohio Department of Natural Resources | — | May-Aug17 |
| Ohio Environmental Council Action Fund | — | May-Aug17 |
| Melanie Houston | Ohio Environmental Council Action Fund | — | May-Aug17 |
| Sarah Spence | Ohio Environmental Council Action Fund | — | May-Aug17 |
| Trent Dougherty | Ohio Environmental Council Action Fund | — | May-Aug17 |
| Trish Demeter | Ohio Environmental Council Action Fund | — | Sep-Dec17 |
| Ohio Farm Bureau Federation, Inc. | — | May-Aug17 |
| Adam Sharp | Ohio Farm Bureau Federation, Inc. | — | May-Aug17 |
| Anthony Seegers | Ohio Farm Bureau Federation, Inc. | — | May-Aug17 |
| Jack Irvin | Ohio Farm Bureau Federation, Inc. | — | May-Aug17 |
| Jenna Reese | Ohio Farm Bureau Federation, Inc. | — | May-Aug17 |
| Leah Curtis | Ohio Farm Bureau Federation, Inc. | — | May-Aug17 |
| Yvonne C Lesicko | Ohio Farm Bureau Federation, Inc. | — | May-Aug17 |
| Ohio Oil Gathering Corporation | — | May-Aug17 |
| Jeffrey T DeLeone | Ohio Oil Gathering Corporation | — | May-Aug17 |
| Matthew Forney | Ohio Oil Gathering Corporation | — | May-Aug17 |
| Ohio Oil and Gas Association | — | May-Aug17 |
| Brian Hickman | Ohio Oil and Gas Association | — | May-Aug17 |
| Jeffrey T DeLeone | Ohio Oil and Gas Association | — | May-Aug17 |
| Matthew Forney | Ohio Oil and Gas Association | — | May-Aug17 |
| Matthew Hammond | Ohio Oil and Gas Association | — | Sep-Dec17 |
| Penny Seipel | Ohio Oil and Gas Association | — | May-Aug17 |
| Shawn Bennett | Ohio Oil and Gas Association | — | May-Aug17 |
| Thomas E. Stewart | Ohio Oil and Gas Association | — | Sep-Dec17 |
| Thomas Niehaus | Ohio Oil and Gas Association | — | Jan-Apr18 |
| Ohio Township Association | — | May-Aug17 |
| Andrew Huffman | Ohio Township Association | — | May-Aug17 |
| Brooke A Cheney | Ohio Township Association | — | May-Aug17 |
| Heidi M Fought | Ohio Township Association | — | May-Aug17 |
| Kelly C O'Reilly | Ohio Township Association | — | May-Aug17 |
| Matthew DeTemple | Ohio Township Association | — | May-Aug17 |
| Matthew S Whitehead | Ohio Township Association | — | May-Aug17 |
| Victor F Hipsley | Ohio Township Association | — | May-Aug17 |
| TC Energy | — | Sep-Dec17 |
| Jeffrey T DeLeone | TC Energy | — | Sep-Dec17 |
| Matthew Forney | TC Energy | — | Sep-Dec17 |
| Verdantas LLC | — | May-Aug17 |
| Jeffrey T DeLeone | Verdantas LLC | — | May-Aug17 |
| Matthew Forney | Verdantas LLC | — | May-Aug17 |
| Whitetail Deer Farmers of Ohio | — | May-Aug18 |
| Anthony Seegers | Whitetail Deer Farmers of Ohio | — | May-Aug18 |