| AT&T | — | Sep-Dec17 |
| Jan Bans | AT&T | — | Sep-Dec17 |
| City of Dayton | — | Sep-Dec18 |
| County Auditors' Association of Ohio | — | May-Aug17 |
| Hunter Wright | County Auditors' Association of Ohio | — | May-Aug17 |
| Thomas P Pappas | County Auditors' Association of Ohio | — | May-Aug17 |
| Department of Taxation | — | Sep-Dec17 |
| Adam Schwiebert | Department of Taxation | — | Sep-Dec17 |
| Ernest Massie | Department of Taxation | — | Sep-Dec17 |
| Gregory Siegfried | Department of Taxation | — | Sep-Dec17 |
| Joseph Testa | Department of Taxation | — | Sep-Dec17 |
| Marjorie Kruse | Department of Taxation | — | Sep-Dec17 |
| Matthew Chafin | Department of Taxation | — | Sep-Dec17 |
| Michael O'Leary | Department of Taxation | — | Sep-Dec17 |
| Nicholas Cipiti | Department of Taxation | — | Sep-Dec17 |
| Stanley Dixon | Department of Taxation | — | Sep-Dec17 |
| Timothy Lynch | Department of Taxation | — | Sep-Dec17 |
| Governor's Office | — | May-Aug17 |
| Beth Hansen | Governor's Office | — | May-Aug17 |
| Dawn Larzelere | Governor's Office | — | May-Aug17 |
| Merle Madrid | Governor's Office | — | May-Aug17 |
| Tim Biggam | Governor's Office | — | Sep-Dec17 |
| Wayne Struble | Governor's Office | — | May-Aug17 |
| Megann Eberhart | Greater Akron Chamber | — | Sep-Dec17 |
| National Waste & Recycling Association | — | Jan-Apr18 |
| Willa J Ebersole | National Waste & Recycling Association | — | Jan-Apr18 |
| Ohio Environmental Protection Agency | — | Sep-Dec17 |
| Danielle Giannantonio | Ohio Environmental Protection Agency | — | Sep-Dec17 |
| Ohio Municipal League | — | Sep-Dec17 |
| Ashley Ringle | Ohio Municipal League | — | Sep-Dec17 |
| Brad Barger | Ohio Municipal League | — | Sep-Dec17 |
| Brian P Barger | Ohio Municipal League | — | Sep-Dec17 |
| Edward L Albright | Ohio Municipal League | — | Sep-Dec17 |
| Republic Services, Inc. | — | Sep-Dec17 |
| Steven H White | Republic Services, Inc. | — | Sep-Dec17 |
| Solid Waste Authority of Central Ohio | — | Sep-Dec17 |
| Belinda M Jones | Solid Waste Authority of Central Ohio | — | Sep-Dec17 |
| Dan Jones | Solid Waste Authority of Central Ohio | — | Jan-Apr18 |
| William L Byers, IV | Solid Waste Authority of Central Ohio | — | Sep-Dec17 |
| Waste Management of Ohio, Inc. | — | May-Aug17 |
| Kathryn A Trent | Waste Management of Ohio, Inc. | — | May-Aug17 |