| Andrew Minton | 3M Company | — | Sep-Dec21 |
| Evelyn Kennedy | 3M Company | — | Sep-Dec21 |
| Greg Bennett | 3M Company | — | Sep-Dec21 |
| Stephen Nielson | 3M Company | — | Sep-Dec21 |
| William L Byers, IV | 3M Company | — | Sep-Dec21 |
| Shawn Nelson | American Chemistry Council | — | Sep-Dec22 |
| Denise M Larr | Aqua Ohio, Inc | — | Sep-Dec21 |
| Joseph Price | Aqua Ohio, Inc | — | Sep-Dec21 |
| William Fitzgibbon | Aqua Ohio, Inc | — | Sep-Dec21 |
| Claire Bennett | Association of Ohio Drinking Water Agencies | — | Sep-Dec22 |
| David Rees Alexander | Association of Ohio Drinking Water Agencies | — | Sep-Dec22 |
| Nathanael Jonhenry | Association of Ohio Drinking Water Agencies | — | Sep-Dec22 |
| Amanda R Sines | Boating Associations of Ohio | — | Sep-Dec21 |
| Andrew Minton | City of Columbus | — | Sep-Dec21 |
| Evelyn Kennedy | City of Columbus | — | Sep-Dec21 |
| Greg Bennett | City of Columbus | — | Sep-Dec21 |
| Stephen Nielson | City of Columbus | — | Sep-Dec21 |
| Stephen Sayre | City of Columbus | — | Sep-Dec21 |
| William L Byers, IV | City of Columbus | — | Sep-Dec21 |
| Andrew Huffman | Coalition of Ohio Regional Districts | — | Sep-Dec21 |
| Brooke A Cheney | Coalition of Ohio Regional Districts | — | Sep-Dec21 |
| Kelsey Woolard | Coalition of Ohio Regional Districts | — | Sep-Dec21 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | Sep-Dec21 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | Sep-Dec21 |
| Erik Mikkelson | Covestro LLC | — | Sep-Dec21 |
| Nathanael Jonhenry | Cuyahoga County Mayors and City Managers Association | — | Sep-Dec21 |
| Timothy J Cosgrove | Cuyahoga County Mayors and City Managers Association | — | Sep-Dec21 |
| Jessica Voltolini | Department of Education and Workforce | — | Sep-Dec22 |
| John T McGough | Industrial Energy Users-Ohio | — | Sep-Dec21 |
| Amanda R Sines | Lake Erie Marine Trades Association | — | Sep-Dec21 |
| Denise M Larr | National Association of Water Companies, Ohio Chapter | — | Sep-Dec21 |
| Joseph Price | National Association of Water Companies, Ohio Chapter | — | Sep-Dec21 |
| William Fitzgibbon | National Association of Water Companies, Ohio Chapter | — | Sep-Dec21 |
| Andrew Huffman | Northeast Ohio Regional Sewer District | — | Sep-Dec21 |
| Brooke A Cheney | Northeast Ohio Regional Sewer District | — | Sep-Dec21 |
| Kelsey Woolard | Northeast Ohio Regional Sewer District | — | Sep-Dec21 |
| Matthew S Whitehead | Northeast Ohio Regional Sewer District | — | Sep-Dec21 |
| Victor F Hipsley | Northeast Ohio Regional Sewer District | — | Sep-Dec21 |
| Julia Wynn | Ohio Association of Regional Councils | — | Sep-Dec21 |
| Kevin L Futryk | Ohio Association of Regional Councils | — | Sep-Dec21 |
| Andrew Swaim | Ohio Chemistry Technology Council | — | Sep-Dec21 |
| Jennifer Klein | Ohio Chemistry Technology Council | — | Sep-Dec21 |
| Shawn Nelson | Ohio Chemistry Technology Council | — | Sep-Dec21 |
| Gretchen Craycraft | Ohio Environmental Protection Agency | — | Sep-Dec21 |
| Jessica Langdon | Ohio Environmental Protection Agency | — | Sep-Dec21 |
| Laura H. Factor | Ohio Environmental Protection Agency | — | Sep-Dec21 |
| Laurie Stevenson | Ohio Environmental Protection Agency | — | Sep-Dec21 |
| Mark S. Johnson Jr. | Ohio Environmental Protection Agency | — | Sep-Dec22 |
| Adam Sharp | Ohio Farm Bureau Federation, Inc. | — | Sep-Dec21 |
| Brandon Kern | Ohio Farm Bureau Federation, Inc. | — | Sep-Dec21 |
| Jack Irvin | Ohio Farm Bureau Federation, Inc. | — | Sep-Dec21 |
| Jenna Reese | Ohio Farm Bureau Federation, Inc. | — | Sep-Dec21 |
| Leah Curtis | Ohio Farm Bureau Federation, Inc. | — | Sep-Dec21 |
| Edward L Albright | Ohio Municipal League | — | Sep-Dec22 |
| Andrew Huffman | Ohio Rural Water Association | — | Sep-Dec21 |
| Brooke A Cheney | Ohio Rural Water Association | — | Sep-Dec21 |
| Kelsey Woolard | Ohio Rural Water Association | — | Sep-Dec21 |
| Matthew S Whitehead | Ohio Rural Water Association | — | Sep-Dec21 |
| Victor F Hipsley | Ohio Rural Water Association | — | Sep-Dec21 |
| Terrence O'Donnell | Ohio Water Partnership | — | Sep-Dec21 |
| William Vorys | Ohio Water Partnership | — | Sep-Dec21 |
| Dan Fitzpatrick | The Healthpath Foundation of Ohio | — | Sep-Dec21 |
| Michelle M Fitzgibbon | The Healthpath Foundation of Ohio | — | Sep-Dec21 |
| Tim Brown | Toledo Metropolitan Council of Governments | — | Sep-Dec21 |
| Charles H Gerhardt, III | Woolpert Inc | — | Sep-Dec22 |
| James T Benedict | Woolpert Inc | — | Sep-Dec22 |