| McKenzie K Davis | AT&T | — | Sep-Dec22 |
| Shawn Nelson | American Chemistry Council | — | Sep-Dec22 |
| Zachary Frymier | American Electric Power | — | Sep-Dec22 |
| Brian Hickman | American Municipal Power | — | Sep-Dec22 |
| Michael A Beirne | American Municipal Power | — | Sep-Dec22 |
| Denise M Larr | Aqua Ohio, Inc | — | Sep-Dec21 |
| Joseph Price | Aqua Ohio, Inc | — | Sep-Dec21 |
| William Fitzgibbon | Aqua Ohio, Inc | — | Sep-Dec21 |
| Deborah Hackathorn | Arcwood Environmental, LLC | — | Sep-Dec22 |
| Joseph Ewig | Arcwood Environmental, LLC | — | Sep-Dec22 |
| Andrea Maclam Ashley | Associated General Contractors of Ohio | — | Sep-Dec22 |
| 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 |
| Adam Hewit | Clean Harbors Environmental Services, Inc. | — | Sep-Dec22 |
| 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 |
| Abby Schafer | Department of Commerce | — | Sep-Dec22 |
| Andrew Minton | Ductile Iron Pipe Research Association | — | Sep-Dec21 |
| Greg Bennett | Ductile Iron Pipe Research Association | — | Sep-Dec21 |
| William L Byers, IV | Ductile Iron Pipe Research Association | — | Sep-Dec21 |
| Bradley Bales | Governor's Office | — | Sep-Dec22 |
| John T McGough | Industrial Energy Users-Ohio | — | 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 |
| Beth Wanless | Ohio Association of REALTORS | — | Sep-Dec22 |
| Julia Wynn | Ohio Association of Regional Councils | — | Sep-Dec21 |
| Kevin L Futryk | Ohio Association of Regional Councils | — | Sep-Dec21 |
| Donald Boyd | Ohio Bankers League | — | Sep-Dec22 |
| Evan Kleymeyer | Ohio Bankers League | — | Sep-Dec22 |
| Michael J Adelman | Ohio Bankers League | — | Sep-Dec22 |
| Shannon Strow | Ohio Bankers League | — | Sep-Dec22 |
| Rick Carfagna | Ohio Chamber of Commerce | — | Sep-Dec22 |
| Steve Stivers | Ohio Chamber of Commerce | — | Sep-Dec22 |
| Tony Long | Ohio Chamber of Commerce | — | Sep-Dec22 |
| Andrew Swaim | Ohio Chemistry Technology Council | — | Sep-Dec22 |
| Jennifer Klein | Ohio Chemistry Technology Council | — | Sep-Dec22 |
| Shawn Nelson | Ohio Chemistry Technology Council | — | Sep-Dec22 |
| Bruce Weston | Ohio Consumers' Counsel | — | Sep-Dec22 |
| Jeff Jacobson | Ohio Consumers' Counsel | — | Sep-Dec22 |
| Larry Sauer | Ohio Consumers' Counsel | — | Sep-Dec22 |
| Nicholas Stallard | Ohio Consumers' Counsel | — | Sep-Dec22 |
| Michelle R Holdgreve | Ohio Contractors Association | — | Sep-Dec21 |
| Andrew Canan | Ohio Credit Union League & Affiliates | — | Sep-Dec22 |
| David A Battocletti | Ohio Credit Union League & Affiliates | — | Sep-Dec22 |
| Emily Leite | Ohio Credit Union League & Affiliates | — | Sep-Dec22 |
| Jared Weiser | Ohio Credit Union League & Affiliates | — | Sep-Dec22 |
| Sean Brown | Ohio Credit Union League & Affiliates | — | Sep-Dec22 |
| Michael Brello | Ohio Electric Utility Institute | — | Sep-Dec22 |
| Gretchen Craycraft | Ohio Environmental Protection Agency | — | Sep-Dec22 |
| Jessica Langdon | Ohio Environmental Protection Agency | — | Sep-Dec22 |
| Laurie Stevenson | Ohio Environmental Protection Agency | — | Sep-Dec22 |
| Mark S. Johnson Jr. | Ohio Environmental Protection Agency | — | Sep-Dec22 |
| Dee Smith | Ohio Environmental Service Industries | — | Sep-Dec22 |
| Thomas P Pappas | Ohio Environmental Service Industries | — | 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 |
| Andrew Huffman | Ohio Housing Council | — | Sep-Dec22 |
| Brooke A Cheney | Ohio Housing Council | — | Sep-Dec22 |
| Kelsey Woolard | Ohio Housing Council | — | Sep-Dec22 |
| Matthew S Whitehead | Ohio Housing Council | — | Sep-Dec22 |
| Victor F Hipsley | Ohio Housing Council | — | Sep-Dec22 |
| Chad Hawley | Ohio Land Title Association | — | Sep-Dec22 |
| Troy Judy | Ohio Land Title Association | — | Sep-Dec22 |
| Andrew Huffman | Ohio Manufactured Homes Association (OMHA) | — | Sep-Dec22 |
| Brooke A Cheney | Ohio Manufactured Homes Association (OMHA) | — | Sep-Dec22 |
| Kelsey Woolard | Ohio Manufactured Homes Association (OMHA) | — | Sep-Dec22 |
| Matthew S Whitehead | Ohio Manufactured Homes Association (OMHA) | — | Sep-Dec22 |
| Victor F Hipsley | Ohio Manufactured Homes Association (OMHA) | — | Sep-Dec22 |
| Kimberly Bojko | Ohio Manufacturers' Association | — | Sep-Dec22 |
| Lindsey Short | Ohio Manufacturers' Association | — | Sep-Dec22 |
| Brian Hickman | Ohio Municipal Electric Association | — | Sep-Dec22 |
| Courtney Saunders | Ohio Municipal Electric Association | — | Sep-Dec22 |
| Daniel P Leite | Ohio Municipal Electric Association | — | Sep-Dec22 |
| Kurt L Leib | Ohio Municipal Electric Association | — | Sep-Dec22 |
| Lisa McAlister | Ohio Municipal Electric Association | — | Sep-Dec22 |
| Michael A Beirne | Ohio Municipal Electric Association | — | Sep-Dec22 |
| Robert N Eshenbaugh, Jr | Ohio Municipal Electric Association | — | Sep-Dec22 |
| Edward L Albright | Ohio Municipal League | — | Sep-Dec22 |
| Andrew Huffman | Ohio Real Estate Investors Association | — | Sep-Dec22 |
| Brooke A Cheney | Ohio Real Estate Investors Association | — | Sep-Dec22 |
| Dan Acton | Ohio Real Estate Investors Association | — | Sep-Dec22 |
| Kelsey Woolard | Ohio Real Estate Investors Association | — | Sep-Dec22 |
| Matthew S Whitehead | Ohio Real Estate Investors Association | — | Sep-Dec22 |
| Victor F Hipsley | Ohio Real Estate Investors Association | — | Sep-Dec22 |
| Brock Miskimen | Ohio Rural Development Alliance | — | Sep-Dec21 |
| Christopher N Slagle | Ohio Rural Development Alliance | — | Sep-Dec21 |
| Gregory J Lestini | Ohio Rural Development Alliance | — | Sep-Dec21 |
| Matt Koppitch | Ohio Rural Development Alliance | — | Sep-Dec21 |
| Rachael Guastella | Ohio Rural Development Alliance | — | Sep-Dec21 |
| 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 |
| Adam Hewit | PPG Industries | — | Sep-Dec22 |
| Emily Elizer | PPG Industries | — | Sep-Dec22 |
| Matt Redfield | PPG Industries | — | Sep-Dec22 |
| Anna Perry | Public Utilities Commission of Ohio | — | Sep-Dec22 |
| Scott Edward Elisar | Public Utilities Commission of Ohio | — | Sep-Dec22 |
| Adam Ward | The Ohio State University | — | Sep-Dec21 |
| Tim Brown | Toledo Metropolitan Council of Governments | — | Sep-Dec21 |
| Adam Hewit | United States Steel Corporation | — | Sep-Dec22 |