| Desmond Bryant | Association of Ohio Drinking Water Agencies | — | Sep-Dec25 |
| Desmond Bryant | Association of Ohio Metropolitan Wastewater Agencies | — | Sep-Dec25 |
| Alana Tucker | City of Cincinnati | — | Sep-Dec25 |
| Anne Sesler | City of Cincinnati | — | Sep-Dec25 |
| Charles H Gerhardt, III | City of Cincinnati | — | Sep-Dec25 |
| Douglas Moormann | City of Cincinnati | — | Sep-Dec25 |
| James T Benedict | City of Cincinnati | — | Sep-Dec25 |
| City of Columbus | — | Sep-Dec25 |
| Andrew Minton | City of Columbus | — | Sep-Dec25 |
| Collin Crigger | City of Columbus | — | Sep-Dec25 |
| Levi Gross | City of Columbus | — | Sep-Dec25 |
| Stephanie Gilligan | City of Columbus | — | Sep-Dec25 |
| Stephen Nielson | City of Columbus | — | Sep-Dec25 |
| William L Byers, IV | City of Columbus | — | Sep-Dec25 |
| City of Lebanon | — | May-Aug26 |
| Charles H Gerhardt, III | City of Lebanon | — | May-Aug26 |
| Coalition of Ohio Regional Districts | — | Sep-Dec25 |
| Kelsey Woolard | Coalition of Ohio Regional Districts | — | Sep-Dec25 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | Sep-Dec25 |
| Michael Guastella | Coalition of Ohio Regional Districts | — | Sep-Dec25 |
| Ronald Romito | Coalition of Ohio Regional Districts | — | Sep-Dec25 |
| Sydney Sanders | Coalition of Ohio Regional Districts | — | Sep-Dec25 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | Sep-Dec25 |
| County Commissioners' Association of Ohio | — | Sep-Dec14 |
| Cuyahoga County Mayors and City Managers Association | — | Jan-Apr26 |
| Desmond Bryant | Cuyahoga County Mayors and City Managers Association | — | Sep-Dec25 |
| Nathanael Jonhenry | Cuyahoga County Mayors and City Managers Association | — | Jan-Apr26 |
| Hartwell Marable | Ecolab | — | May-Aug26 |
| Timothy Day | Ecolab | — | May-Aug26 |
| Governor's Office | — | May-Aug14 |
| Benjamin Kanzeg | Governor's Office | — | May-Aug14 |
| Beth Hansen | Governor's Office | — | May-Aug14 |
| Brad Barger | Governor's Office | — | May-Aug14 |
| Elle Decot | Governor's Office | — | May-Aug14 |
| Eric Poklar | Governor's Office | — | May-Aug14 |
| Jai Chabria | Governor's Office | — | May-Aug14 |
| James W. Sheppard, III | Governor's Office | — | May-Aug14 |
| Kimberly Kutschbach | Governor's Office | — | May-Aug14 |
| Madison Whalen | Governor's Office | — | May-Aug14 |
| Megan Fitzmartin | Governor's Office | — | May-Aug14 |
| Wayne Struble | Governor's Office | — | May-Aug14 |
| Northeast Ohio Regional Sewer District | — | Sep-Dec25 |
| Kelsey Woolard | Northeast Ohio Regional Sewer District | — | Sep-Dec25 |
| Matthew S Whitehead | Northeast Ohio Regional Sewer District | — | Sep-Dec25 |
| Michael Guastella | Northeast Ohio Regional Sewer District | — | Sep-Dec25 |
| Ronald Romito | Northeast Ohio Regional Sewer District | — | Sep-Dec25 |
| Sydney Sanders | Northeast Ohio Regional Sewer District | — | Sep-Dec25 |
| Victor F Hipsley | Northeast Ohio Regional Sewer District | — | Sep-Dec25 |
| Ohio Chamber of Commerce | — | Sep-Dec25 |
| Rick Carfagna | Ohio Chamber of Commerce | — | Sep-Dec25 |
| Tony Long | Ohio Chamber of Commerce | — | Sep-Dec25 |
| Ohio Community Associations Institute (CAI) | — | May-Aug14 |
| Ohio Environmental Protection Agency | — | Sep-Dec25 |
| Andrew Smith | Ohio Environmental Protection Agency | — | Sep-Dec25 |
| John Logue | Ohio Environmental Protection Agency | — | Sep-Dec25 |
| Joseph Guagenti | Ohio Environmental Protection Agency | — | May-Aug26 |
| Sam Smith | Ohio Environmental Protection Agency | — | Sep-Dec25 |
| Ohio Rural Water Association | — | Sep-Dec25 |
| Kelsey Woolard | Ohio Rural Water Association | — | Sep-Dec25 |
| Matthew S Whitehead | Ohio Rural Water Association | — | Sep-Dec25 |
| Michael Guastella | Ohio Rural Water Association | — | Sep-Dec25 |
| Ronald Romito | Ohio Rural Water Association | — | Sep-Dec25 |
| Sydney Sanders | Ohio Rural Water Association | — | Sep-Dec25 |
| Victor F Hipsley | Ohio Rural Water Association | — | Sep-Dec25 |
| Ohio Water Partnership | — | Sep-Dec25 |
| Kevin Shimp | Ohio Water Partnership | — | Sep-Dec25 |
| Terrence O'Donnell | Ohio Water Partnership | — | Sep-Dec25 |
| William Vorys | Ohio Water Partnership | — | Sep-Dec25 |