| Advanced Energy Economy | — | May-Aug19 |
| Terrence O'Donnell | Advanced Energy Economy | — | May-Aug19 |
| William Vorys | Advanced Energy Economy | — | May-Aug19 |
| American Municipal Power | — | May-Aug19 |
| Charles Willoughby | American Municipal Power | — | May-Aug19 |
| Jolene M Thompson | American Municipal Power | — | May-Aug19 |
| Michael A Beirne | American Municipal Power | — | May-Aug19 |
| Apex Clean Energy, Inc. | — | May-Aug19 |
| Terrence O'Donnell | Apex Clean Energy, Inc. | — | May-Aug19 |
| William Vorys | Apex Clean Energy, Inc. | — | May-Aug19 |
| Attorney General's Office | — | May-Aug20 |
| Carbon Solutions Group | — | May-Aug19 |
| Terrence O'Donnell | Carbon Solutions Group | — | May-Aug19 |
| William Vorys | Carbon Solutions Group | — | May-Aug19 |
| City of Dayton | — | Jan-Apr19 |
| Jeffrey T DeLeone | Columbia Gas of Ohio, Inc | — | May-Aug19 |
| Matthew Forney | Columbia Gas of Ohio, Inc | — | May-Aug19 |
| Department of Development | — | Jan-Apr19 |
| Rachel Johanson | Department of Development | — | Jan-Apr19 |
| Department of Taxation | — | May-Aug19 |
| Ernest Massie | Department of Taxation | — | May-Aug19 |
| Gregory Siegfried | Department of Taxation | — | May-Aug19 |
| Ian Dollenmayer | Department of Taxation | — | May-Aug19 |
| Jeffrey McClain | Department of Taxation | — | May-Aug19 |
| Kenneth Frey | Department of Taxation | — | May-Aug19 |
| Matthew Chafin | Department of Taxation | — | May-Aug19 |
| Michael O'Leary | Department of Taxation | — | May-Aug19 |
| Sarah O'Leary | Department of Taxation | — | May-Aug19 |
| Timothy Lynch | Department of Taxation | — | May-Aug19 |
| EDP Renewables | — | May-Aug19 |
| Terrence O'Donnell | EDP Renewables | — | May-Aug19 |
| William Vorys | EDP Renewables | — | May-Aug19 |
| Enel North America, Inc. and Its Affiliates | — | May-Aug19 |
| Andrew Minton | Enel North America, Inc. and Its Affiliates | — | May-Aug19 |
| Greg Bennett | Enel North America, Inc. and Its Affiliates | — | May-Aug19 |
| Stephen Nielson | Enel North America, Inc. and Its Affiliates | — | May-Aug19 |
| William L Byers, IV | Enel North America, Inc. and Its Affiliates | — | May-Aug19 |
| Terrence O'Donnell | Energy Action Fund | — | May-Aug19 |
| William Vorys | Energy Action Fund | — | May-Aug19 |
| Gavin Generation II, LLC | — | May-Aug19 |
| Jeffrey T DeLeone | Gavin Generation II, LLC | — | May-Aug19 |
| Matthew Forney | Gavin Generation II, LLC | — | May-Aug19 |
| Hillcrest Solar I, LLC | — | May-Aug19 |
| Terrence O'Donnell | Hillcrest Solar I, LLC | — | May-Aug19 |
| William Vorys | Hillcrest Solar I, LLC | — | May-Aug19 |
| Northeast Ohio Public Energy Council (NOPEC) | — | May-Aug19 |
| Charles W. Keiper, II | Northeast Ohio Public Energy Council (NOPEC) | — | May-Aug19 |
| Christopher N Slagle | Northeast Ohio Public Energy Council (NOPEC) | — | May-Aug19 |
| Gregory J Lestini | Northeast Ohio Public Energy Council (NOPEC) | — | May-Aug19 |
| Jeff Jacobson | Northeast Ohio Public Energy Council (NOPEC) | — | Jan-Apr20 |
| Leigh E Herington | Northeast Ohio Public Energy Council (NOPEC) | — | May-Aug19 |
| Matt Koppitch | Northeast Ohio Public Energy Council (NOPEC) | — | May-Aug19 |
| Ohio Coal Association | — | Jan-Apr20 |
| Andrew Huffman | Ohio Coal Association | — | Jan-Apr20 |
| Brooke A Cheney | Ohio Coal Association | — | Jan-Apr20 |
| Kelly C O'Reilly | Ohio Coal Association | — | Jan-Apr20 |
| Matthew S Whitehead | Ohio Coal Association | — | Jan-Apr20 |
| Victor F Hipsley | Ohio Coal Association | — | Jan-Apr20 |
| Ohio Conservative Energy Forum | — | May-Aug19 |
| Greg Bennett | Ohio Conservative Energy Forum | — | May-Aug19 |
| William L Byers, IV | Ohio Conservative Energy Forum | — | May-Aug19 |
| Ohio Hotel & Lodging Association | — | Sep-Dec19 |
| Joseph Savarise | Ohio Hotel & Lodging Association | — | Sep-Dec19 |
| Michael T Evans | Ohio Hotel & Lodging Association | — | Sep-Dec19 |
| Ohio Housing Council | — | May-Aug19 |
| Andrew Huffman | Ohio Housing Council | — | May-Aug19 |
| Brooke A Cheney | Ohio Housing Council | — | May-Aug19 |
| Kelly C O'Reilly | Ohio Housing Council | — | May-Aug19 |
| Matthew S Whitehead | Ohio Housing Council | — | May-Aug19 |
| Victor F Hipsley | Ohio Housing Council | — | May-Aug19 |
| Ohio Manufactured Homes Association (OMHA) | — | May-Aug19 |
| Andrea Reichman | Ohio Manufactured Homes Association (OMHA) | — | May-Aug19 |
| Andrew Huffman | Ohio Manufactured Homes Association (OMHA) | — | May-Aug19 |
| Brooke A Cheney | Ohio Manufactured Homes Association (OMHA) | — | May-Aug19 |
| Kelly C O'Reilly | Ohio Manufactured Homes Association (OMHA) | — | May-Aug19 |
| Matthew S Whitehead | Ohio Manufactured Homes Association (OMHA) | — | May-Aug19 |
| Timothy Williams | Ohio Manufactured Homes Association (OMHA) | — | May-Aug19 |
| Victor F Hipsley | Ohio Manufactured Homes Association (OMHA) | — | May-Aug19 |
| Ohio Municipal Electric Association | — | May-Aug19 |
| Charles Willoughby | Ohio Municipal Electric Association | — | May-Aug19 |
| Courtney Saunders | Ohio Municipal Electric Association | — | May-Aug19 |
| Daniel P Leite | Ohio Municipal Electric Association | — | May-Aug19 |
| Jolene M Thompson | Ohio Municipal Electric Association | — | May-Aug19 |
| Kurt L Leib | Ohio Municipal Electric Association | — | May-Aug19 |
| Lisa McAlister | Ohio Municipal Electric Association | — | May-Aug19 |
| Michael A Beirne | Ohio Municipal Electric Association | — | May-Aug19 |
| Robert N Eshenbaugh, Jr | Ohio Municipal Electric Association | — | May-Aug19 |
| Scott Owens | Ohio Municipal Electric Association | — | May-Aug19 |
| Ohio Real Estate Investors Association | — | May-Aug19 |
| Andrew Huffman | Ohio Real Estate Investors Association | — | May-Aug19 |
| Brooke A Cheney | Ohio Real Estate Investors Association | — | May-Aug19 |
| Dan Acton | Ohio Real Estate Investors Association | — | Sep-Dec19 |
| Kelly C O'Reilly | Ohio Real Estate Investors Association | — | May-Aug19 |
| Matthew S Whitehead | Ohio Real Estate Investors Association | — | May-Aug19 |
| Victor F Hipsley | Ohio Real Estate Investors Association | — | May-Aug19 |
| Katie Johnson Treadway | One Power Company | — | Jan-Apr19 |
| Open Road Renewables | — | May-Aug19 |
| Terrence O'Donnell | Open Road Renewables | — | May-Aug19 |
| William Vorys | Open Road Renewables | — | May-Aug19 |
| RWE Americas Services, LLC | — | May-Aug19 |
| Terrence O'Donnell | RWE Americas Services, LLC | — | May-Aug19 |
| William Vorys | RWE Americas Services, LLC | — | May-Aug19 |
| Shawn Nelson | Retail Energy Supply Association | — | Jan-Apr19 |
| Salon Lofts | — | Sep-Dec19 |
| Denise M Larr | Salon Lofts | — | Jan-Apr20 |
| Sol Systems, LLC | — | May-Aug19 |
| Terrence O'Donnell | Sol Systems, LLC | — | May-Aug19 |
| William Vorys | Sol Systems, LLC | — | May-Aug19 |
| Southeast Ohio Public Energy Council (SOPEC) | — | May-Aug19 |
| Christopher N Slagle | Southeast Ohio Public Energy Council (SOPEC) | — | May-Aug19 |
| Gregory J Lestini | Southeast Ohio Public Energy Council (SOPEC) | — | May-Aug19 |
| Matt Koppitch | Southeast Ohio Public Energy Council (SOPEC) | — | May-Aug19 |
| Alexandria Mock | Towing & Recovery Association of Ohio | — | Jan-Apr20 |
| Uplight | — | May-Aug19 |
| Terrence O'Donnell | Uplight | — | May-Aug19 |
| William Vorys | Uplight | — | May-Aug19 |
| sPower Development Company, LLC | — | May-Aug19 |
| Brock Miskimen | sPower Development Company, LLC | — | May-Aug19 |
| Christopher N Slagle | sPower Development Company, LLC | — | May-Aug19 |
| Gregory J Lestini | sPower Development Company, LLC | — | May-Aug19 |
| Matt Koppitch | sPower Development Company, LLC | — | May-Aug19 |
| Rachael Guastella | sPower Development Company, LLC | — | Sep-Dec19 |