| Elizabeth Easterday-Futryk | American Council of Engineering Companies of Ohio | — | Sep-Dec19 |
| Kevin L Futryk | American Council of Engineering Companies of Ohio | — | Sep-Dec19 |
| Maria Haberman | American Electric Power | — | Sep-Dec20 |
| Markee Osborne | American Electric Power | — | Sep-Dec20 |
| Thomas Froehle | American Electric Power | — | Sep-Dec20 |
| Brian Hickman | American Municipal Power | — | Sep-Dec20 |
| Charles Willoughby | American Municipal Power | — | Sep-Dec19 |
| Jolene M Thompson | American Municipal Power | — | Sep-Dec19 |
| Michael A Beirne | American Municipal Power | — | Sep-Dec19 |
| Christian B. Zeigler | American Petroleum Institute - API Ohio | — | Sep-Dec20 |
| Christina Polesovsky | American Petroleum Institute - API Ohio | — | Sep-Dec20 |
| Denise M Larr | Aqua Ohio, Inc | — | Sep-Dec20 |
| Joseph Price | Aqua Ohio, Inc | — | Sep-Dec20 |
| William Fitzgibbon | Aqua Ohio, Inc | — | Sep-Dec20 |
| Madison Whalen | City of Akron, OH | — | Sep-Dec20 |
| Melissa R Hoeffel | City of Akron, OH | — | Sep-Dec20 |
| Andrew Minton | City of Columbus | — | Sep-Dec19 |
| Evelyn Kennedy | City of Columbus | — | Sep-Dec19 |
| Greg Bennett | City of Columbus | — | Sep-Dec19 |
| Stephen Nielson | City of Columbus | — | Sep-Dec19 |
| William L Byers, IV | City of Columbus | — | Sep-Dec19 |
| Andrew Minton | Cleveland Browns | — | Sep-Dec19 |
| Andrew Huffman | Coalition of Ohio Regional Districts | — | Sep-Dec19 |
| Brooke A Cheney | Coalition of Ohio Regional Districts | — | Sep-Dec19 |
| Kelly C O'Reilly | Coalition of Ohio Regional Districts | — | Sep-Dec19 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | Sep-Dec19 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | Sep-Dec19 |
| Adam Schwiebert | County Commissioners' Association of Ohio | — | Sep-Dec19 |
| Cheryl L Subler | County Commissioners' Association of Ohio | — | Sep-Dec19 |
| Dean Ringle | County Engineers Association of Ohio | — | Sep-Dec19 |
| Michael T Evans | County Engineers Association of Ohio | — | Sep-Dec19 |
| Andy Pusateri | Department of Development | — | Sep-Dec19 |
| Rachel Johanson | Department of Development | — | Sep-Dec19 |
| Andrew Minton | Ductile Iron Pipe Research Association | — | Sep-Dec19 |
| Greg Bennett | Ductile Iron Pipe Research Association | — | Sep-Dec19 |
| William L Byers, IV | Ductile Iron Pipe Research Association | — | Sep-Dec19 |
| Anne Vogel | Governor's Office | — | Sep-Dec20 |
| Bradley Bales | Governor's Office | — | Sep-Dec20 |
| Martin R McGann | Greater Cleveland Partnership | — | Sep-Dec20 |
| Sante Ghetti | Greater Cleveland Partnership | — | Sep-Dec20 |
| Charles Willoughby | Industrial Energy Users-Ohio | — | Sep-Dec20 |
| Terrence O'Donnell | Invenergy LLC | — | Sep-Dec20 |
| William Vorys | Invenergy LLC | — | Sep-Dec20 |
| Joseph Price | National Association of Water Companies, Ohio Chapter | — | Sep-Dec20 |
| William Fitzgibbon | National Association of Water Companies, Ohio Chapter | — | Sep-Dec20 |
| Andrew Huffman | Northeast Ohio Regional Sewer District | — | Sep-Dec19 |
| Brooke A Cheney | Northeast Ohio Regional Sewer District | — | Sep-Dec19 |
| Kelly C O'Reilly | Northeast Ohio Regional Sewer District | — | Sep-Dec19 |
| Matthew S Whitehead | Northeast Ohio Regional Sewer District | — | Sep-Dec19 |
| Victor F Hipsley | Northeast Ohio Regional Sewer District | — | Sep-Dec19 |
| Christina O'Keeffe | Ohio Air Quality Development Authority | — | Sep-Dec20 |
| Deborah Hackathorn | Ohio Air Quality Development Authority | — | Sep-Dec20 |
| Joseph Ewig | Ohio Air Quality Development Authority | — | Sep-Dec20 |
| Julia Wynn | Ohio Association of Regional Councils | — | Sep-Dec19 |
| Kevin L Futryk | Ohio Association of Regional Councils | — | Sep-Dec19 |
| Shawn Nelson | Ohio Chemistry Technology Council | — | Sep-Dec20 |
| Andrew Huffman | Ohio Coal Association | — | Sep-Dec20 |
| Kelly C O'Reilly | Ohio Coal Association | — | Sep-Dec20 |
| Matthew S Whitehead | Ohio Coal Association | — | Sep-Dec20 |
| Victor F Hipsley | Ohio Coal Association | — | Sep-Dec20 |
| Bruce Weston | Ohio Consumers' Counsel | — | Sep-Dec20 |
| Jeff Jacobson | Ohio Consumers' Counsel | — | Sep-Dec20 |
| Larry Sauer | Ohio Consumers' Counsel | — | Sep-Dec20 |
| Michael Brello | Ohio Electric Utility Institute | — | Sep-Dec20 |
| Gretchen Craycraft | Ohio Environmental Protection Agency | — | Sep-Dec19 |
| Laura H. Factor | Ohio Environmental Protection Agency | — | Sep-Dec19 |
| Michael Guastella | Ohio Environmental Protection Agency | — | Sep-Dec19 |
| Brian Hickman | Ohio Municipal Electric Association | — | Sep-Dec20 |
| Charles Willoughby | Ohio Municipal Electric Association | — | Sep-Dec19 |
| Courtney Saunders | Ohio Municipal Electric Association | — | Sep-Dec19 |
| Daniel P Leite | Ohio Municipal Electric Association | — | Sep-Dec19 |
| Jolene M Thompson | Ohio Municipal Electric Association | — | Sep-Dec19 |
| Kurt L Leib | Ohio Municipal Electric Association | — | Sep-Dec19 |
| Lisa McAlister | Ohio Municipal Electric Association | — | Sep-Dec19 |
| Michael A Beirne | Ohio Municipal Electric Association | — | Sep-Dec19 |
| Robert N Eshenbaugh, Jr | Ohio Municipal Electric Association | — | Sep-Dec19 |
| Brad Barger | Ohio Municipal League | — | Sep-Dec19 |
| Brian P Barger | Ohio Municipal League | — | Sep-Dec19 |
| Edward L Albright | Ohio Municipal League | — | Sep-Dec19 |
| Brock Miskimen | Ohio Rural Development Alliance | — | Sep-Dec19 |
| Christopher N Slagle | Ohio Rural Development Alliance | — | Sep-Dec19 |
| Gregory J Lestini | Ohio Rural Development Alliance | — | Sep-Dec19 |
| Matt Koppitch | Ohio Rural Development Alliance | — | Sep-Dec19 |
| Rachael Guastella | Ohio Rural Development Alliance | — | Sep-Dec19 |
| Andrew Huffman | Ohio Rural Water Association | — | Sep-Dec19 |
| Brooke A Cheney | Ohio Rural Water Association | — | Sep-Dec19 |
| Kelly C O'Reilly | Ohio Rural Water Association | — | Sep-Dec19 |
| Matthew S Whitehead | Ohio Rural Water Association | — | Sep-Dec19 |
| Victor F Hipsley | Ohio Rural Water Association | — | Sep-Dec19 |
| Martha J Sweterlitsch | Ohio Water Development Authority | — | Sep-Dec19 |
| Rachel G Winder | Ohio Water Development Authority | — | Sep-Dec19 |
| Andrew Minton | Tides Advocacy | — | Sep-Dec19 |
| Evelyn Kennedy | Tides Advocacy | — | Sep-Dec19 |
| William L Byers, IV | Tides Advocacy | — | Sep-Dec19 |
| Tim Brown | Toledo Metropolitan Council of Governments | — | Sep-Dec19 |