| American Petroleum Institute - API Ohio | — | Jan-Apr19 |
| Brock Miskimen | American Petroleum Institute - API Ohio | — | Jan-Apr19 |
| Christian B. Zeigler | American Petroleum Institute - API Ohio | — | Jan-Apr19 |
| Christina Polesovsky | American Petroleum Institute - API Ohio | — | Jan-Apr19 |
| Christopher N Slagle | American Petroleum Institute - API Ohio | — | Jan-Apr19 |
| Claire Linkhart | American Petroleum Institute - API Ohio | — | Jan-Apr19 |
| Gregory J Lestini | American Petroleum Institute - API Ohio | — | Jan-Apr19 |
| Matt Koppitch | American Petroleum Institute - API Ohio | — | Jan-Apr19 |
| Antero Resources | — | Sep-Dec19 |
| Jim Samuel | Antero Resources | — | Sep-Dec19 |
| Attorney General's Office | — | May-Aug20 |
| Belinda M Jones | Cleveland Metropolitan Park District | — | Jan-Apr19 |
| Dan Jones | Cleveland Metropolitan Park District | — | Jan-Apr19 |
| Daniel Hurley | Cleveland Metropolitan Park District | — | Jan-Apr19 |
| Coalition of Ohio Regional Districts | — | Sep-Dec19 |
| Andrew Huffman | Coalition of Ohio Regional Districts | — | Sep-Dec19 |
| Brooke A Cheney | Coalition of Ohio Regional Districts | — | Sep-Dec19 |
| Kelly C O'Reilly | Coalition of Ohio Regional Districts | — | Sep-Dec19 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | Sep-Dec19 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | Sep-Dec19 |
| Belinda M Jones | Columbus and Franklin County Metro Parks | — | Jan-Apr19 |
| Dan Jones | Columbus and Franklin County Metro Parks | — | Jan-Apr19 |
| Daniel Hurley | Columbus and Franklin County Metro Parks | — | Jan-Apr19 |
| County Commissioners' Association of Ohio | — | Jan-Apr19 |
| Brandon Sagraves | Daelim Chemical USA | — | Jan-Apr20 |
| Department of Taxation | — | Jan-Apr19 |
| Ernest Massie | Department of Taxation | — | Jan-Apr19 |
| Gregory Siegfried | Department of Taxation | — | Jan-Apr19 |
| Ian Dollenmayer | Department of Taxation | — | Jan-Apr19 |
| Jeffrey McClain | Department of Taxation | — | Jan-Apr19 |
| Kenneth Frey | Department of Taxation | — | May-Aug19 |
| Matthew Chafin | Department of Taxation | — | Jan-Apr19 |
| Michael O'Leary | Department of Taxation | — | Jan-Apr19 |
| Sarah O'Leary | Department of Taxation | — | Jan-Apr19 |
| Timothy Lynch | Department of Taxation | — | Jan-Apr19 |
| Exxon Mobil Corporation | — | Jan-Apr19 |
| Courtney Saunders | Exxon Mobil Corporation | — | Jan-Apr19 |
| Daniel P Leite | Exxon Mobil Corporation | — | Jan-Apr19 |
| Kurt L Leib | Exxon Mobil Corporation | — | Jan-Apr19 |
| Robert N Eshenbaugh, Jr | Exxon Mobil Corporation | — | Jan-Apr19 |
| Kurtz Brothers Central OH LLC | — | Jan-Apr19 |
| Belinda M Jones | Kurtz Brothers Central OH LLC | — | Jan-Apr19 |
| Dan Jones | Kurtz Brothers Central OH LLC | — | Jan-Apr19 |
| Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr19 |
| Courtney Saunders | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr19 |
| Daniel P Leite | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr19 |
| David Blatnik | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr19 |
| Kurt L Leib | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr19 |
| Robert N Eshenbaugh, Jr | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr19 |
| Northeast Ohio Regional Sewer District | — | Sep-Dec19 |
| Andrew Huffman | Northeast Ohio Regional Sewer District | — | Sep-Dec19 |
| Brooke A Cheney | Northeast Ohio Regional Sewer District | — | Sep-Dec19 |
| Kelly C O'Reilly | Northeast Ohio Regional Sewer District | — | Sep-Dec19 |
| Matthew S Whitehead | Northeast Ohio Regional Sewer District | — | Sep-Dec19 |
| Victor F Hipsley | Northeast Ohio Regional Sewer District | — | Sep-Dec19 |
| Ohio Association of Professional Fire Fighters | — | Jan-Apr19 |
| James P Carney | Ohio Association of Professional Fire Fighters | — | Jan-Apr19 |
| Michael Taylor | Ohio Association of Professional Fire Fighters | — | Jan-Apr19 |
| Thomas A Rave | Ohio Association of Professional Fire Fighters | — | Jan-Apr19 |
| Ohio Chamber of Commerce | — | Sep-Dec19 |
| Stephanie Kromer | Ohio Chamber of Commerce | — | Sep-Dec19 |
| Ohio Chemistry Technology Council | — | May-Aug20 |
| Andrew Swaim | Ohio Chemistry Technology Council | — | May-Aug20 |
| Jennifer Klein | Ohio Chemistry Technology Council | — | May-Aug20 |
| Shawn Nelson | Ohio Chemistry Technology Council | — | May-Aug20 |
| Ohio Department of Natural Resources | — | Jan-Apr19 |
| Damian Sikora | Ohio Department of Natural Resources | — | Jan-Apr19 |
| Danielle Vandegriff | Ohio Department of Natural Resources | — | Jan-Apr19 |
| Ethan Zucal | Ohio Department of Natural Resources | — | Sep-Dec19 |
| Ryan Frazee | Ohio Department of Natural Resources | — | Jan-Apr19 |
| Sarah Spence | Ohio Department of Natural Resources | — | Jan-Apr19 |
| Ohio Oil and Gas Association | — | Jan-Apr19 |
| Brian Hickman | Ohio Oil and Gas Association | — | Jan-Apr19 |
| Jeffrey T DeLeone | Ohio Oil and Gas Association | — | Jan-Apr19 |
| Matthew Forney | Ohio Oil and Gas Association | — | Jan-Apr19 |
| Matthew Hammond | Ohio Oil and Gas Association | — | Jan-Apr19 |
| Penny Seipel | Ohio Oil and Gas Association | — | Jan-Apr19 |
| Thomas E. Stewart | Ohio Oil and Gas Association | — | Jan-Apr19 |
| Ohio Rural Water Association | — | Sep-Dec19 |
| Andrew Huffman | Ohio Rural Water Association | — | Sep-Dec19 |
| Brooke A Cheney | Ohio Rural Water Association | — | Sep-Dec19 |
| Kelly C O'Reilly | Ohio Rural Water Association | — | Sep-Dec19 |
| Matthew S Whitehead | Ohio Rural Water Association | — | Sep-Dec19 |
| Victor F Hipsley | Ohio Rural Water Association | — | Sep-Dec19 |
| Ohio Township Association | — | Jan-Apr19 |
| Andrew Huffman | Ohio Township Association | — | Jan-Apr19 |
| Brooke A Cheney | Ohio Township Association | — | Jan-Apr19 |
| Heidi M Fought | Ohio Township Association | — | Jan-Apr19 |
| Kelly C O'Reilly | Ohio Township Association | — | Jan-Apr19 |
| Marisa Myers | Ohio Township Association | — | Jan-Apr19 |
| Matthew DeTemple | Ohio Township Association | — | Jan-Apr19 |
| Matthew S Whitehead | Ohio Township Association | — | Jan-Apr19 |
| Victor F Hipsley | Ohio Township Association | — | Jan-Apr19 |
| PTTGC America | — | Sep-Dec19 |
| Policy Matters Ohio | — | Jan-Apr19 |