| Andrew Minton | 3M Company | — | Sep-Dec20 |
| Evelyn Kennedy | 3M Company | — | Sep-Dec20 |
| Greg Bennett | 3M Company | — | Sep-Dec20 |
| Stephen Nielson | 3M Company | — | Sep-Dec20 |
| William L Byers, IV | 3M Company | — | Sep-Dec20 |
| Shawn Nelson | American Chemistry Council | — | Sep-Dec19 |
| Christian B. Zeigler | American Petroleum Institute - API Ohio | — | Sep-Dec19 |
| Christina Polesovsky | American Petroleum Institute - API Ohio | — | Sep-Dec19 |
| Claire Linkhart | American Petroleum Institute - API Ohio | — | Sep-Dec19 |
| Deborah Hackathorn | Arcwood Environmental, LLC | — | Sep-Dec20 |
| Joseph Ewig | Arcwood Environmental, LLC | — | Sep-Dec20 |
| Kevin DeWine | City of Dayton | — | Sep-Dec19 |
| Anthony Brigano | Covestro LLC | — | Sep-Dec20 |
| Erik Mikkelson | Covestro LLC | — | Sep-Dec20 |
| Abby Schafer | Department of Commerce | — | Sep-Dec19 |
| Jonithon LaCross | Department of Commerce | — | Sep-Dec20 |
| Rachael Carl | Department of Commerce | — | Sep-Dec19 |
| Ben Kaiser | DuPont De Nemours Inc. | — | Sep-Dec19 |
| Douglas J Preisse | DuPont De Nemours Inc. | — | Sep-Dec19 |
| Robert F Klaffky | DuPont De Nemours Inc. | — | Sep-Dec19 |
| Courtney Saunders | Exxon Mobil Corporation | — | Sep-Dec19 |
| Daniel P Leite | Exxon Mobil Corporation | — | Sep-Dec19 |
| Kurt L Leib | Exxon Mobil Corporation | — | Sep-Dec19 |
| Robert N Eshenbaugh, Jr | Exxon Mobil Corporation | — | Sep-Dec19 |
| Kristy Meyer | Freshwater Future | — | Sep-Dec20 |
| Bradley Bales | Governor's Office | — | Sep-Dec19 |
| Victor F Hipsley | Koch Government Affairs, LLC | — | Sep-Dec19 |
| Courtney Saunders | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec19 |
| Daniel P Leite | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec19 |
| David Blatnik | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec19 |
| Kurt L Leib | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec19 |
| Robert N Eshenbaugh, Jr | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Sep-Dec19 |
| James P Carney | Ohio Association of Professional Fire Fighters | — | Sep-Dec20 |
| Michael Taylor | Ohio Association of Professional Fire Fighters | — | Sep-Dec20 |
| Thomas A Rave | Ohio Association of Professional Fire Fighters | — | Sep-Dec20 |
| Andy Shifflette | Ohio Aviation Association | — | Sep-Dec20 |
| Anthonio C Fiore | Ohio Aviation Association | — | Sep-Dec20 |
| Stephen E Tugend | Ohio Aviation Association | — | Sep-Dec20 |
| Andrew Swaim | Ohio Chemistry Technology Council | — | Sep-Dec20 |
| Jennifer Klein | Ohio Chemistry Technology Council | — | Sep-Dec19 |
| Shawn Nelson | Ohio Chemistry Technology Council | — | Sep-Dec19 |
| Trent Dougherty | Ohio Environmental Council Action Fund | — | Sep-Dec19 |
| Gretchen Craycraft | Ohio Environmental Protection Agency | — | Sep-Dec19 |
| Michael Guastella | Ohio Environmental Protection Agency | — | Sep-Dec19 |
| Dee Smith | Ohio Environmental Service Industries | — | Sep-Dec19 |
| Thomas P Pappas | Ohio Environmental Service Industries | — | Sep-Dec19 |
| Willa J Ebersole | Ohio Environmental Service Industries | — | Sep-Dec19 |
| Alexandra Denney | Ohio Fire Chiefs' Association | — | Sep-Dec19 |
| Anne Beauch | Ohio Fire Chiefs' Association | — | Sep-Dec20 |
| Michelle M Fitzgibbon | Ohio Fire Chiefs' Association | — | Sep-Dec19 |
| Adam Hewit | PPG Industries | — | Sep-Dec19 |
| Emily Elizer | PPG Industries | — | Sep-Dec20 |