| American Petroleum Institute - API Ohio | — | Jan-Apr17 |
| Christian B. Zeigler | American Petroleum Institute - API Ohio | — | Jan-Apr17 |
| Christina Polesovsky | American Petroleum Institute - API Ohio | — | Jan-Apr17 |
| Claire Linkhart | American Petroleum Institute - API Ohio | — | Jan-Apr17 |
| CSX Transportation | — | Jan-Apr17 |
| Aaron M Ockerman | CSX Transportation | — | Jan-Apr17 |
| Rusty Orben | CSX Transportation | — | Jan-Apr17 |
| Central Railroad Company of Indianapolis | — | Jan-Apr17 |
| Denise M Larr | Central Railroad Company of Indianapolis | — | Jan-Apr17 |
| William Fitzgibbon | Central Railroad Company of Indianapolis | — | Jan-Apr17 |
| City of Dayton | — | Sep-Dec18 |
| John R Leutz | County Commissioners' Association of Ohio | — | Sep-Dec17 |
| Governor's Office | — | Jan-Apr17 |
| Beth Hansen | Governor's Office | — | Jan-Apr17 |
| Dawn Larzelere | Governor's Office | — | Jan-Apr17 |
| Merle Madrid | Governor's Office | — | Jan-Apr17 |
| Tim Biggam | Governor's Office | — | Sep-Dec17 |
| Wayne Struble | Governor's Office | — | Jan-Apr17 |
| Indiana & Ohio Railway Company | — | Jan-Apr17 |
| Denise M Larr | Indiana & Ohio Railway Company | — | Jan-Apr17 |
| William Fitzgibbon | Indiana & Ohio Railway Company | — | Jan-Apr17 |
| Norfolk Southern Corporation | — | Jan-Apr17 |
| Bryant Thomas | Norfolk Southern Corporation | — | Jan-Apr17 |
| Richard A Ayish | Norfolk Southern Corporation | — | Jan-Apr17 |
| Ohio Chamber of Commerce | — | Jan-Apr17 |
| Zachary Frymier | Ohio Chamber of Commerce | — | Jan-Apr17 |
| Ohio Railroad Association | — | Jan-Apr17 |
| Art Arnold | Ohio Railroad Association | — | Jan-Apr17 |
| Ohio State Legislative Board, Sheet Metal, Air, Rail & Transportation Workers-Transportation Division | — | Jan-Apr17 |
| Stuart W Gardner | Ohio State Legislative Board, Sheet Metal, Air, Rail & Transportation Workers-Transportation Division | — | Jan-Apr17 |
| Public Utilities Commission of Ohio | — | Jan-Apr17 |
| Asim Haque | Public Utilities Commission of Ohio | — | May-Aug17 |
| Michael Guastella | Public Utilities Commission of Ohio | — | Jan-Apr17 |
| W. Fletch Zimpher | Public Utilities Commission of Ohio | — | Jan-Apr17 |
| Summit View Inc. | — | Jan-Apr17 |
| Denise M Larr | Summit View Inc. | — | Jan-Apr17 |
| William Fitzgibbon | Summit View Inc. | — | Jan-Apr17 |
| The Central Railroad Company of Indiana | — | Jan-Apr17 |
| Denise M Larr | The Central Railroad Company of Indiana | — | Jan-Apr17 |
| William Fitzgibbon | The Central Railroad Company of Indiana | — | Jan-Apr17 |
| Wheeling & Lake Erie Railway Company | — | Jan-Apr17 |
| M Patrick McCune | Wheeling & Lake Erie Railway Company | — | Jan-Apr17 |