| American Petroleum Institute - API Ohio | — | Sep-Dec25 |
| Christian B. Zeigler | American Petroleum Institute - API Ohio | — | Sep-Dec25 |
| Christina Polesovsky | American Petroleum Institute - API Ohio | — | Sep-Dec25 |
| Claire Linkhart | American Petroleum Institute - API Ohio | — | Sep-Dec25 |
| Ascent Resources | — | Sep-Dec25 |
| Amanda Finn | Ascent Resources | — | Sep-Dec25 |
| Jeffrey T DeLeone | Ascent Resources | — | Sep-Dec25 |
| Matthew Forney | Ascent Resources | — | Sep-Dec25 |
| Aaron M Ockerman | Association of Ohio Health Commissioners | — | May-Aug14 |
| Association of Ohio Metropolitan Wastewater Agencies | — | Sep-Dec14 |
| Andrew Etter | Association of Ohio Metropolitan Wastewater Agencies | — | Sep-Dec14 |
| Nathanael Jonhenry | Association of Ohio Metropolitan Wastewater Agencies | — | May-Aug14 |
| Timothy J Cosgrove | Association of Ohio Metropolitan Wastewater Agencies | — | May-Aug14 |
| Attorney General's Office | — | May-Aug20 |
| Clermont County Chamber of Commerce | — | Jan-Apr26 |
| Andrew McAfee | Clermont County Chamber of Commerce | — | Jan-Apr26 |
| Coalition of Ohio Regional Districts | — | Jan-Apr14 |
| Andrew Huffman | Coalition of Ohio Regional Districts | — | Jan-Apr14 |
| Brooke A Cheney | Coalition of Ohio Regional Districts | — | Jan-Apr14 |
| Kelly C O'Reilly | Coalition of Ohio Regional Districts | — | Jan-Apr14 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | Jan-Apr14 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | Jan-Apr14 |
| County Commissioners' Association of Ohio | — | May-Aug14 |
| Adam Schwiebert | County Commissioners' Association of Ohio | — | Sep-Dec25 |
| Brian Mead | County Commissioners' Association of Ohio | — | May-Aug14 |
| Cheryl L Subler | County Commissioners' Association of Ohio | — | May-Aug14 |
| Daniel Baker | County Commissioners' Association of Ohio | — | Jan-Apr26 |
| Department of Health | — | Jan-Apr14 |
| Anne Harnish | Department of Health | — | Jan-Apr14 |
| Jessica Crews | Department of Health | — | Jan-Apr14 |
| Kate Philips | Department of Health | — | Jan-Apr14 |
| Lance Himes | Department of Health | — | Jan-Apr14 |
| Melissa Bacon | Department of Health | — | Jan-Apr14 |
| Theodore E. Wymyslo | Department of Health | — | Jan-Apr14 |
| Tyler Fehrman | Department of Health | — | Jan-Apr14 |
| William McHugh | Department of Health | — | Jan-Apr14 |
| Governor's Office | — | Jan-Apr14 |
| Benjamin Kanzeg | Governor's Office | — | Jan-Apr14 |
| Beth Hansen | Governor's Office | — | Jan-Apr14 |
| Brad Barger | Governor's Office | — | Jan-Apr14 |
| Craig Butler | Governor's Office | — | May-Aug14 |
| Elle Decot | Governor's Office | — | Jan-Apr14 |
| Eric Poklar | Governor's Office | — | Jan-Apr14 |
| Jai Chabria | Governor's Office | — | Jan-Apr14 |
| James W. Sheppard, III | Governor's Office | — | Jan-Apr14 |
| Kimberly Kutschbach | Governor's Office | — | Jan-Apr14 |
| Madison Whalen | Governor's Office | — | Jan-Apr14 |
| Megan Fitzmartin | Governor's Office | — | Jan-Apr14 |
| Scott Blake | Governor's Office | — | Jan-Apr14 |
| Wayne Struble | Governor's Office | — | Jan-Apr14 |
| Jefferson-Belmont Regional Solid Waste Authority | — | Jan-Apr20 |
| Andrew Huffman | Jefferson-Belmont Regional Solid Waste Authority | — | Jan-Apr20 |
| Brooke A Cheney | Jefferson-Belmont Regional Solid Waste Authority | — | Jan-Apr20 |
| Kelly C O'Reilly | Jefferson-Belmont Regional Solid Waste Authority | — | Jan-Apr20 |
| Matthew S Whitehead | Jefferson-Belmont Regional Solid Waste Authority | — | Jan-Apr20 |
| Victor F Hipsley | Jefferson-Belmont Regional Solid Waste Authority | — | Jan-Apr20 |
| Jay Hottinger | Memorial Health System | — | Sep-Dec25 |
| Monroe County Board of Commissioners | — | Sep-Dec25 |
| Jay Hottinger | Monroe County Board of Commissioners | — | Sep-Dec25 |
| Piper Halliday | Monroe County Board of Commissioners | — | Sep-Dec25 |
| Will Drabold | Monroe County Board of Commissioners | — | Sep-Dec25 |
| National Waste & Recycling Association | — | Jan-Apr20 |
| Willa J Ebersole | National Waste & Recycling Association | — | Jan-Apr20 |
| Ohio Chamber of Commerce | — | Sep-Dec25 |
| Rick Carfagna | Ohio Chamber of Commerce | — | Sep-Dec25 |
| Tony Long | Ohio Chamber of Commerce | — | Sep-Dec25 |
| Ohio Department of Natural Resources | — | Sep-Dec25 |
| Ben Bruns | Ohio Department of Natural Resources | — | Sep-Dec25 |
| Nathan Moffitt | Ohio Department of Natural Resources | — | Sep-Dec25 |
| Ryan Frazee | Ohio Department of Natural Resources | — | Sep-Dec25 |
| Ohio Environmental Health Association | — | Sep-Dec14 |
| Anthony Brigano | Ohio Environmental Health Association | — | Sep-Dec14 |
| W Zachary Holzapfel | Ohio Environmental Health Association | — | Sep-Dec14 |
| Ohio Environmental Protection Agency | — | Jan-Apr14 |
| Annie van Blaricom | Ohio Environmental Protection Agency | — | Jan-Apr14 |
| Craig Butler | Ohio Environmental Protection Agency | — | Jan-Apr14 |
| Gretchen Craycraft | Ohio Environmental Protection Agency | — | May-Aug20 |
| Laura H. Factor | Ohio Environmental Protection Agency | — | Jan-Apr14 |
| Michael Guastella | Ohio Environmental Protection Agency | — | May-Aug20 |
| Tracy S Freeman | Ohio Environmental Protection Agency | — | Jan-Apr14 |
| Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr14 |
| Andrea Reichman | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr14 |
| Andrew Huffman | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr14 |
| Brooke A Cheney | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr14 |
| Kelly C O'Reilly | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr14 |
| Matthew S Whitehead | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr14 |
| Timothy Williams | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr14 |
| Victor F Hipsley | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr14 |
| Ohio Municipal League | — | Sep-Dec14 |
| Edward L Albright | Ohio Municipal League | — | Sep-Dec14 |
| Ohio Oil and Gas Association | — | Sep-Dec25 |
| Jeffrey T DeLeone | Ohio Oil and Gas Association | — | Jan-Apr26 |
| Matthew Forney | Ohio Oil and Gas Association | — | Sep-Dec25 |
| Robert Brundrett | Ohio Oil and Gas Association | — | Sep-Dec25 |
| Shawn Nelson | Ohio Oil and Gas Association | — | Sep-Dec25 |
| Stephanie Kromer | Ohio Oil and Gas Association | — | Sep-Dec25 |
| Zane Daniels | Ohio Oil and Gas Association | — | Sep-Dec25 |
| Victor F Hipsley | Ohio Real Estate Investors Association | — | Jan-Apr14 |
| Ohio Township Association | — | Jan-Apr14 |
| Andrew Huffman | Ohio Township Association | — | Jan-Apr14 |
| Brooke A Cheney | Ohio Township Association | — | Jan-Apr14 |
| Heidi M Fought | Ohio Township Association | — | Jan-Apr14 |
| Kelly C O'Reilly | Ohio Township Association | — | Jan-Apr14 |
| Kelsey Woolard | Ohio Township Association | — | Sep-Dec25 |
| Kyle Brooks | Ohio Township Association | — | Sep-Dec25 |
| Matthew DeTemple | Ohio Township Association | — | Jan-Apr14 |
| Matthew S Whitehead | Ohio Township Association | — | Jan-Apr14 |
| Michael Guastella | Ohio Township Association | — | Sep-Dec25 |
| Ronald Romito | Ohio Township Association | — | Sep-Dec25 |
| Sydney Sanders | Ohio Township Association | — | Sep-Dec25 |
| Victor F Hipsley | Ohio Township Association | — | Jan-Apr14 |
| Solid Waste Authority of Central Ohio | — | Sep-Dec14 |
| Belinda M Jones | Solid Waste Authority of Central Ohio | — | May-Aug14 |
| Dan Jones | Solid Waste Authority of Central Ohio | — | May-Aug14 |
| William L Byers, IV | Solid Waste Authority of Central Ohio | — | May-Aug14 |
| Washington County Commissioners | — | Sep-Dec25 |
| Andrew Kostival | Washington County Commissioners | — | Sep-Dec25 |
| Piper Halliday | Washington County Commissioners | — | Sep-Dec25 |
| Waste Management of Ohio, Inc. | — | May-Aug20 |
| Kathryn A Trent | Waste Management of Ohio, Inc. | — | May-Aug20 |