| Christian B. Zeigler | American Petroleum Institute - API Ohio | — | Sep-Dec18 |
| Christina Polesovsky | American Petroleum Institute - API Ohio | — | Sep-Dec18 |
| Claire Linkhart | American Petroleum Institute - API Ohio | — | Sep-Dec18 |
| Andrew Huffman | Coalition of Ohio Regional Districts | — | Sep-Dec18 |
| Brooke A Cheney | Coalition of Ohio Regional Districts | — | Sep-Dec18 |
| Kelly C O'Reilly | Coalition of Ohio Regional Districts | — | Sep-Dec18 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | Sep-Dec18 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | Sep-Dec18 |
| Beth Hansen | Governor's Office | — | Sep-Dec18 |
| Tim Biggam | Governor's Office | — | Sep-Dec18 |
| Jason Warner | Greater Ohio Policy Center | — | Sep-Dec18 |
| Andrew Huffman | Northeast Ohio Regional Sewer District | — | Sep-Dec18 |
| Brooke A Cheney | Northeast Ohio Regional Sewer District | — | Sep-Dec18 |
| Kelly C O'Reilly | Northeast Ohio Regional Sewer District | — | Sep-Dec18 |
| Matthew S Whitehead | Northeast Ohio Regional Sewer District | — | Sep-Dec18 |
| Victor F Hipsley | Northeast Ohio Regional Sewer District | — | Sep-Dec18 |
| John E Van Doorn | Ohio Association for Justice | — | Sep-Dec18 |
| Donald Boyd | Ohio Bankers League | — | Sep-Dec18 |
| Zachary Frymier | Ohio Chamber of Commerce | — | Sep-Dec18 |
| Andrew Huffman | Ohio Coal Association | — | Sep-Dec18 |
| Brooke A Cheney | Ohio Coal Association | — | Sep-Dec18 |
| Kelly C O'Reilly | Ohio Coal Association | — | Sep-Dec18 |
| Matthew S Whitehead | Ohio Coal Association | — | Sep-Dec18 |
| Victor F Hipsley | Ohio Coal Association | — | Sep-Dec18 |
| Andrew Huffman | Ohio Rural Water Association | — | Sep-Dec18 |
| Brooke A Cheney | Ohio Rural Water Association | — | Sep-Dec18 |
| Kelly C O'Reilly | Ohio Rural Water Association | — | Sep-Dec18 |
| Matthew S Whitehead | Ohio Rural Water Association | — | Sep-Dec18 |
| Victor F Hipsley | Ohio Rural Water Association | — | Sep-Dec18 |
| Thomas Book | Ohio State Bar Association | — | Sep-Dec18 |
| Brooke A Cheney | Wetlands Resource Center, LLC | — | Sep-Dec18 |
| Matthew S Whitehead | Wetlands Resource Center, LLC | — | Sep-Dec18 |