| American Petroleum Institute - API Ohio | — | May-Aug23 |
| Christian B. Zeigler | American Petroleum Institute - API Ohio | — | May-Aug23 |
| Christina Polesovsky | American Petroleum Institute - API Ohio | — | May-Aug23 |
| Claire Linkhart | American Petroleum Institute - API Ohio | — | May-Aug23 |
| Hannah Kubbins | Americans for Prosperity | — | Sep-Dec23 |
| Amrize North America Inc. | — | May-Aug23 |
| Andrew Schepers | Amrize North America Inc. | — | May-Aug23 |
| Apex Landfill | — | May-Aug23 |
| Kathleen DeLand | Apex Landfill | — | May-Aug23 |
| Arcwood Environmental, LLC | — | Jan-Apr24 |
| Deborah Hackathorn | Arcwood Environmental, LLC | — | Jan-Apr24 |
| Joseph Ewig | Arcwood Environmental, LLC | — | Jan-Apr24 |
| Ascent Resources | — | May-Aug24 |
| Amanda Finn | Ascent Resources | — | May-Aug24 |
| Jeffrey T DeLeone | Ascent Resources | — | May-Aug24 |
| Matthew Forney | Ascent Resources | — | May-Aug24 |
| Associated General Contractors of Ohio | — | May-Aug23 |
| Andrea Maclam Ashley | Associated General Contractors of Ohio | — | May-Aug23 |
| Association of Ohio Drinking Water Agencies | — | May-Aug23 |
| Claire Bennett | Association of Ohio Drinking Water Agencies | — | May-Aug23 |
| David Rees Alexander | Association of Ohio Drinking Water Agencies | — | May-Aug23 |
| Nathanael Jonhenry | Association of Ohio Drinking Water Agencies | — | May-Aug23 |
| Association of Ohio Health Commissioners | — | May-Aug23 |
| Aaron M Ockerman | Association of Ohio Health Commissioners | — | May-Aug23 |
| Beth Bickford | Association of Ohio Health Commissioners | — | Sep-Dec23 |
| Isaac Northrop | Association of Ohio Health Commissioners | — | Jan-Apr24 |
| Association of Ohio Metropolitan Wastewater Agencies | — | May-Aug23 |
| Claire Bennett | Association of Ohio Metropolitan Wastewater Agencies | — | May-Aug23 |
| David Rees Alexander | Association of Ohio Metropolitan Wastewater Agencies | — | May-Aug23 |
| Nathanael Jonhenry | Association of Ohio Metropolitan Wastewater Agencies | — | May-Aug23 |
| Timothy J Cosgrove | Association of Ohio Metropolitan Wastewater Agencies | — | May-Aug23 |
| BLET Ohio State Legislative Board | — | May-Aug23 |
| John Esterly | BLET Ohio State Legislative Board | — | May-Aug23 |
| City of Cleveland | — | May-Aug23 |
| Mike Culp | City of Cleveland | — | May-Aug23 |
| City of Toledo | — | May-Aug23 |
| Andrew W Herf | City of Toledo | — | May-Aug23 |
| Construction & Demolition Association of Ohio | — | May-Aug23 |
| Dan Jones | Construction & Demolition Association of Ohio | — | May-Aug23 |
| James Kennedy | County Commissioners' Association of Ohio | — | Sep-Dec23 |
| Jon P Honeck | County Commissioners' Association of Ohio | — | Sep-Dec23 |
| Kyle Petty | County Commissioners' Association of Ohio | — | May-Aug23 |
| Rachel Massoud Reedy | County Commissioners' Association of Ohio | — | May-Aug23 |
| Cuyahoga County | — | May-Aug23 |
| Mike Culp | Cuyahoga County | — | May-Aug23 |
| Cuyahoga County Mayors and City Managers Association | — | May-Aug23 |
| Nathanael Jonhenry | Cuyahoga County Mayors and City Managers Association | — | May-Aug23 |
| Timothy J Cosgrove | Cuyahoga County Mayors and City Managers Association | — | May-Aug23 |
| Cuyahoga County Solid Waste Management District | — | May-Aug23 |
| Joseph Durham | Cuyahoga County Solid Waste Management District | — | May-Aug23 |
| Department of Agriculture | — | Sep-Dec23 |
| Brian Baldridge | Department of Agriculture | — | Sep-Dec23 |
| Todd Thatcher | Department of Agriculture | — | Sep-Dec23 |
| McKenzie K Davis | Flexible Pavements, Inc | — | Sep-Dec23 |
| Robert Van Kirk | Flexible Pavements, Inc | — | May-Aug23 |
| Governor's Office | — | May-Aug23 |
| Giles Allen | Governor's Office | — | May-Aug23 |
| Gretchen Craycraft | Governor's Office | — | Jan-Apr24 |
| Hamilton County Administration | — | May-Aug23 |
| Anne Sesler | Hamilton County Administration | — | May-Aug23 |
| Charles H Gerhardt, III | Hamilton County Administration | — | May-Aug23 |
| James T Benedict | Hamilton County Administration | — | May-Aug23 |
| Jefferson-Belmont Regional Solid Waste Authority | — | May-Aug23 |
| Brooke A Cheney | Jefferson-Belmont Regional Solid Waste Authority | — | May-Aug23 |
| Kelsey Woolard | Jefferson-Belmont Regional Solid Waste Authority | — | May-Aug23 |
| Matthew S Whitehead | Jefferson-Belmont Regional Solid Waste Authority | — | May-Aug23 |
| Michael Guastella | Jefferson-Belmont Regional Solid Waste Authority | — | May-Aug23 |
| Ronald Romito | Jefferson-Belmont Regional Solid Waste Authority | — | May-Aug23 |
| Sydney Sanders | Jefferson-Belmont Regional Solid Waste Authority | — | May-Aug23 |
| Victor F Hipsley | Jefferson-Belmont Regional Solid Waste Authority | — | May-Aug23 |
| National Federation of Independent Business/Ohio | — | May-Aug23 |
| Anthony Lagunzad | National Federation of Independent Business/Ohio | — | May-Aug23 |
| Cameron Garczyk | National Federation of Independent Business/Ohio | — | May-Aug23 |
| Chris Ferruso | National Federation of Independent Business/Ohio | — | May-Aug23 |
| Michael Wing | National Federation of Independent Business/Ohio | — | May-Aug24 |
| Northeast Ohio Regional Sewer District | — | May-Aug23 |
| Brooke A Cheney | Northeast Ohio Regional Sewer District | — | May-Aug23 |
| Kelsey Woolard | Northeast Ohio Regional Sewer District | — | May-Aug23 |
| Matthew S Whitehead | Northeast Ohio Regional Sewer District | — | May-Aug23 |
| Michael Guastella | Northeast Ohio Regional Sewer District | — | May-Aug23 |
| Ronald Romito | Northeast Ohio Regional Sewer District | — | May-Aug23 |
| Sydney Sanders | Northeast Ohio Regional Sewer District | — | May-Aug23 |
| Victor F Hipsley | Northeast Ohio Regional Sewer District | — | May-Aug23 |
| Ohio Association of REALTORS | — | May-Aug23 |
| Andrew Huffman | Ohio Association of REALTORS | — | May-Aug23 |
| Ohio Building Owners & Managers Association | — | Jan-Apr24 |
| David L Hoeffel | Ohio Building Owners & Managers Association | — | Jan-Apr24 |
| Ohio Coal Association | — | May-Aug23 |
| Brooke A Cheney | Ohio Coal Association | — | May-Aug23 |
| Kelsey Woolard | Ohio Coal Association | — | May-Aug23 |
| Matthew S Whitehead | Ohio Coal Association | — | May-Aug23 |
| Michael Guastella | Ohio Coal Association | — | May-Aug23 |
| Ronald Romito | Ohio Coal Association | — | May-Aug23 |
| Sydney Sanders | Ohio Coal Association | — | May-Aug23 |
| Victor F Hipsley | Ohio Coal Association | — | May-Aug23 |
| Ohio Environmental Health Association | — | Sep-Dec23 |
| Anthony Brigano | Ohio Environmental Health Association | — | Sep-Dec23 |
| Brian K Hicks | Ohio Environmental Health Association | — | Sep-Dec23 |
| Eric Vinyard | Ohio Environmental Health Association | — | Sep-Dec23 |
| Erik Mikkelson | Ohio Environmental Health Association | — | Sep-Dec23 |
| W Zachary Holzapfel | Ohio Environmental Health Association | — | Sep-Dec23 |
| Ohio Environmental Protection Agency | — | May-Aug23 |
| Andrew Smith | Ohio Environmental Protection Agency | — | May-Aug23 |
| Anne Vogel | Ohio Environmental Protection Agency | — | May-Aug23 |
| Gretchen Craycraft | Ohio Environmental Protection Agency | — | May-Aug23 |
| Mark S. Johnson Jr. | Ohio Environmental Protection Agency | — | May-Aug23 |
| Sam Smith | Ohio Environmental Protection Agency | — | Jan-Apr24 |
| Ohio Manufacturers' Association | — | May-Aug23 |
| James Lee | Ohio Manufacturers' Association | — | May-Aug23 |
| Ohio Mayors Alliance | — | May-Aug23 |
| Keary McCarthy | Ohio Mayors Alliance | — | May-Aug23 |
| Sarah Biehl | Ohio Mayors Alliance | — | May-Aug23 |
| Shawn Kasych | Ohio Mayors Alliance | — | May-Aug23 |
| Ohio Municipal League | — | Jan-Apr24 |
| Bevan Schneck | Ohio Municipal League | — | May-Aug23 |
| Ohio Oil and Gas Association | — | May-Aug23 |
| Jeffrey T DeLeone | Ohio Oil and Gas Association | — | May-Aug24 |
| Matthew Forney | Ohio Oil and Gas Association | — | May-Aug24 |
| Robert Brundrett | Ohio Oil and Gas Association | — | May-Aug23 |
| Stephanie Kromer | Ohio Oil and Gas Association | — | May-Aug23 |
| Gordon Gatien | Ohio Public Employees Retirement System | — | Jan-Apr24 |
| Ohio Township Association | — | May-Aug23 |
| Brooke A Cheney | Ohio Township Association | — | May-Aug23 |
| Heidi M Fought | Ohio Township Association | — | May-Aug23 |
| Kelsey Woolard | Ohio Township Association | — | May-Aug23 |
| Kyle Brooks | Ohio Township Association | — | May-Aug23 |
| Matthew S Whitehead | Ohio Township Association | — | May-Aug23 |
| Michael Guastella | Ohio Township Association | — | May-Aug23 |
| Ronald Romito | Ohio Township Association | — | May-Aug23 |
| Sydney Sanders | Ohio Township Association | — | May-Aug23 |
| Victor F Hipsley | Ohio Township Association | — | May-Aug23 |
| PPG Industries | — | May-Aug23 |
| Emily Elizer | PPG Industries | — | May-Aug23 |
| Kevin Baird | PPG Industries | — | May-Aug23 |
| Preble County Solid Waste District | — | May-Aug23 |
| Joseph Durham | Preble County Solid Waste District | — | May-Aug23 |
| Republic Services, Inc. | — | May-Aug23 |
| C David Paragas | Republic Services, Inc. | — | May-Aug23 |
| Steven H White | Republic Services, Inc. | — | May-Aug23 |
| Rumpke Consolidated Companies | — | May-Aug23 |
| Joshua Sanders | Rumpke Consolidated Companies | — | May-Aug23 |
| Leah Pappas Porner | Rumpke Consolidated Companies | — | May-Aug23 |
| Patrick Schwartz | Seneca County Commissioners | — | Sep-Dec23 |
| Spencer Gross | Seneca County Commissioners | — | Jan-Apr24 |
| Solid Waste Authority of Central Ohio | — | May-Aug23 |
| Jennifer Lynch | Solid Waste Authority of Central Ohio | — | May-Aug23 |
| Levi Gross | Solid Waste Authority of Central Ohio | — | Sep-Dec23 |
| William L Byers, IV | Solid Waste Authority of Central Ohio | — | May-Aug23 |
| Summit County | — | Jan-Apr24 |
| Jason Dodson | Summit County | — | Jan-Apr24 |
| Sherri Warner | Summit County | — | Jan-Apr24 |
| Thomas Book | Summit County | — | Jan-Apr24 |
| United States Steel Corporation | — | May-Aug23 |
| Christopher Masciantonio | United States Steel Corporation | — | May-Aug23 |
| George Brown | Waste Management of Ohio, Inc. | — | Sep-Dec23 |
| Wheelabrator Technologies Inc. | — | May-Aug23 |
| Brittany Warner | Wheelabrator Technologies Inc. | — | May-Aug23 |
| Jason Knox | Wheelabrator Technologies Inc. | — | May-Aug24 |
| Jay O'Bryant | Wheelabrator Technologies Inc. | — | May-Aug23 |
| Josh Rubin | Wheelabrator Technologies Inc. | — | May-Aug23 |
| Sarah Totedo | Wheelabrator Technologies Inc. | — | May-Aug23 |