| Advanced Energy Economy | — | Sep-Dec17 |
| Terrence O'Donnell | Advanced Energy Economy | — | Sep-Dec17 |
| William Vorys | Advanced Energy Economy | — | Sep-Dec17 |
| Amazon.com Services LLC | — | May-Aug17 |
| Courtney Saunders | Amazon.com Services LLC | — | May-Aug17 |
| Daniel P Leite | Amazon.com Services LLC | — | May-Aug17 |
| Kurt L Leib | Amazon.com Services LLC | — | May-Aug17 |
| Robert N Eshenbaugh, Jr | Amazon.com Services LLC | — | May-Aug17 |
| American Consolidated Natural Resources | — | Jan-Apr18 |
| Michael T Carey | American Consolidated Natural Resources | — | Jan-Apr18 |
| Chrisy Wright | American Electric Power | — | May-Aug17 |
| John McClelland | American Electric Power | — | May-Aug17 |
| Maria Haberman | American Electric Power | — | May-Aug17 |
| Thomas Froehle | American Electric Power | — | Sep-Dec17 |
| American Municipal Power | — | May-Aug17 |
| Charles Willoughby | American Municipal Power | — | May-Aug17 |
| Jolene M Thompson | American Municipal Power | — | May-Aug17 |
| Michael A Beirne | American Municipal Power | — | May-Aug17 |
| American Petroleum Institute - API Ohio | — | May-Aug17 |
| Christian B. Zeigler | American Petroleum Institute - API Ohio | — | May-Aug17 |
| Christina Polesovsky | American Petroleum Institute - API Ohio | — | May-Aug17 |
| Apex Clean Energy, Inc. | — | Sep-Dec17 |
| Terrence O'Donnell | Apex Clean Energy, Inc. | — | Sep-Dec17 |
| William Vorys | Apex Clean Energy, Inc. | — | Sep-Dec17 |
| Carbon Solutions Group | — | Sep-Dec17 |
| Terrence O'Donnell | Carbon Solutions Group | — | Sep-Dec17 |
| William Vorys | Carbon Solutions Group | — | Sep-Dec17 |
| City of Dayton | — | Sep-Dec18 |
| Columbus Chamber of Commerce | — | May-Aug17 |
| Holly Gross | Columbus Chamber of Commerce | — | May-Aug17 |
| Andrew Huffman | Duke Energy Business Services | — | May-Aug17 |
| Kelly C O'Reilly | Duke Energy Business Services | — | May-Aug17 |
| Victor F Hipsley | Duke Energy Business Services | — | May-Aug17 |
| EDP Renewables | — | Sep-Dec17 |
| Terrence O'Donnell | EDP Renewables | — | Sep-Dec17 |
| William Vorys | EDP Renewables | — | Sep-Dec17 |
| Energy Action Fund | — | Jan-Apr18 |
| Terrence O'Donnell | Energy Action Fund | — | Sep-Dec17 |
| William Vorys | Energy Action Fund | — | Sep-Dec17 |
| Energy Optimizers USA | — | May-Aug18 |
| Lori Kershner | Energy Optimizers USA | — | May-Aug18 |
| Ford Motor Company | — | Sep-Dec17 |
| Denise M Larr | Ford Motor Company | — | Sep-Dec17 |
| Gabby Bruno | Ford Motor Company | — | Sep-Dec17 |
| William Fitzgibbon | Ford Motor Company | — | 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 |
| Michael Fraizer | Governor's Office | — | May-Aug17 |
| Tim Biggam | Governor's Office | — | Sep-Dec17 |
| Wayne Struble | Governor's Office | — | May-Aug17 |
| Greenwich Neighbors United | — | Jan-Apr18 |
| Samuel C Randazzo | Greenwich Neighbors United | — | Sep-Dec17 |
| Industrial Energy Users-Ohio | — | Sep-Dec17 |
| John T McGough | Industrial Energy Users-Ohio | — | Sep-Dec17 |
| Kevin M Murray | Industrial Energy Users-Ohio | — | Sep-Dec17 |
| Samuel C Randazzo | Industrial Energy Users-Ohio | — | Sep-Dec17 |
| Scott Edward Elisar | Industrial Energy Users-Ohio | — | Sep-Dec17 |
| Interstate Gas Supply, Inc. | — | Sep-Dec17 |
| Denise M Larr | Interstate Gas Supply, Inc. | — | Sep-Dec17 |
| Jay O'Bryant | Interstate Gas Supply, Inc. | — | Jan-Apr18 |
| Matt White | Interstate Gas Supply, Inc. | — | Sep-Dec17 |
| William Fitzgibbon | Interstate Gas Supply, Inc. | — | Sep-Dec17 |
| Manufacturing Policy Alliance | — | Sep-Dec17 |
| Charlotte B Hickcox | Manufacturing Policy Alliance | — | Jan-Apr18 |
| Denise M Larr | Manufacturing Policy Alliance | — | Sep-Dec17 |
| Robert J Lapp | Manufacturing Policy Alliance | — | Sep-Dec17 |
| Thomas M Zaino | Manufacturing Policy Alliance | — | Jan-Apr18 |
| William Fitzgibbon | Manufacturing Policy Alliance | — | Sep-Dec17 |
| Metallus Inc | — | Sep-Dec17 |
| Denise M Larr | Metallus Inc | — | Sep-Dec17 |
| William Fitzgibbon | Metallus Inc | — | Sep-Dec17 |
| Adam Hewit | National Association of Professional Employer Organizations (NAPEO) | — | Sep-Dec17 |
| Nucor Steel Marion, Inc | — | Sep-Dec17 |
| Denise M Larr | Nucor Steel Marion, Inc | — | Sep-Dec17 |
| William Fitzgibbon | Nucor Steel Marion, Inc | — | Sep-Dec17 |
| Ohio Chamber of Commerce | — | May-Aug17 |
| Zachary Frymier | Ohio Chamber of Commerce | — | May-Aug17 |
| Ohio Coal Association | — | May-Aug17 |
| Andrew Huffman | Ohio Coal Association | — | May-Aug17 |
| Brooke A Cheney | Ohio Coal Association | — | May-Aug17 |
| Kelly C O'Reilly | Ohio Coal Association | — | May-Aug17 |
| Matthew S Whitehead | Ohio Coal Association | — | May-Aug17 |
| Victor F Hipsley | Ohio Coal Association | — | May-Aug17 |
| Ohio Energy Group | — | Sep-Dec17 |
| David F Boehm | Ohio Energy Group | — | Sep-Dec17 |
| Denise M Larr | Ohio Energy Group | — | Sep-Dec17 |
| Michael L Kurtz | Ohio Energy Group | — | Sep-Dec17 |
| William Fitzgibbon | Ohio Energy Group | — | Sep-Dec17 |
| Ohio Environmental Council Action Fund | — | May-Aug17 |
| Sarah Spence | Ohio Environmental Council Action Fund | — | Jan-Apr18 |
| Trish Demeter | Ohio Environmental Council Action Fund | — | May-Aug17 |
| Ohio Municipal Electric Association | — | May-Aug17 |
| Charles Willoughby | Ohio Municipal Electric Association | — | May-Aug17 |
| Courtney Saunders | Ohio Municipal Electric Association | — | May-Aug17 |
| Daniel P Leite | Ohio Municipal Electric Association | — | May-Aug17 |
| Denise M Larr | Ohio Municipal Electric Association | — | Sep-Dec17 |
| Jolene M Thompson | Ohio Municipal Electric Association | — | May-Aug17 |
| Kurt L Leib | Ohio Municipal Electric Association | — | May-Aug17 |
| Lisa McAlister | Ohio Municipal Electric Association | — | May-Aug17 |
| Michael A Beirne | Ohio Municipal Electric Association | — | May-Aug17 |
| Robert N Eshenbaugh, Jr | Ohio Municipal Electric Association | — | May-Aug17 |
| Scott Owens | Ohio Municipal Electric Association | — | May-Aug17 |
| William Fitzgibbon | Ohio Municipal Electric Association | — | Sep-Dec17 |
| Belinda M Jones | Ohio Power Company dba AEP & AEP Ohio | — | May-Aug17 |
| Dan Jones | Ohio Power Company dba AEP & AEP Ohio | — | May-Aug17 |
| Julia Sloat | Ohio Power Company dba AEP & AEP Ohio | — | Jan-Apr18 |
| Ohio Steel Council | — | Sep-Dec17 |
| Denise M Larr | Ohio Steel Council | — | Sep-Dec17 |
| Ohio Township Association | — | May-Aug17 |
| Andrew Huffman | Ohio Township Association | — | May-Aug17 |
| Brooke A Cheney | Ohio Township Association | — | May-Aug17 |
| Heidi M Fought | Ohio Township Association | — | May-Aug17 |
| Kelly C O'Reilly | Ohio Township Association | — | May-Aug17 |
| Matthew DeTemple | Ohio Township Association | — | May-Aug17 |
| Matthew S Whitehead | Ohio Township Association | — | May-Aug17 |
| Victor F Hipsley | Ohio Township Association | — | May-Aug17 |
| Owens-Illinois, Inc | — | Sep-Dec17 |
| Denise M Larr | Owens-Illinois, Inc | — | Sep-Dec17 |
| William Fitzgibbon | Owens-Illinois, Inc | — | Sep-Dec17 |
| Public Utilities Commission of Ohio | — | May-Aug17 |
| Asim Haque | Public Utilities Commission of Ohio | — | May-Aug17 |
| Michael Guastella | Public Utilities Commission of Ohio | — | May-Aug17 |
| W. Fletch Zimpher | Public Utilities Commission of Ohio | — | May-Aug17 |
| Timken Company | — | May-Aug17 |
| Denise M Larr | Timken Company | — | May-Aug17 |
| William Fitzgibbon | Timken Company | — | May-Aug17 |