| ACT Ohio | — | Jan-Apr19 |
| Matthew Szollosi | ACT Ohio | — | Jan-Apr19 |
| AFSCME Ohio Council 8 | — | Sep-Dec20 |
| Robert A Davis | AFSCME Ohio Council 8 | — | Sep-Dec20 |
| American Municipal Power | — | Jan-Apr20 |
| Jolene M Thompson | American Municipal Power | — | Jan-Apr20 |
| Michael A Beirne | American Municipal Power | — | Jan-Apr20 |
| Associated Builders and Contractors of Ohio | — | May-Aug19 |
| Bryan Williams | Associated Builders and Contractors of Ohio | — | May-Aug19 |
| Associated General Contractors of Ohio | — | Jan-Apr19 |
| Andrea Maclam Ashley | Associated General Contractors of Ohio | — | Jan-Apr19 |
| Attorney General's Office | — | May-Aug20 |
| CNA | — | Jan-Apr19 |
| Dave Salisbury | CNA | — | Jan-Apr19 |
| Drew Davidson | CNA | — | Jan-Apr19 |
| Lisa H Dodge | CNA | — | Jan-Apr19 |
| Sean P Dunn | CNA | — | Jan-Apr19 |
| City of Columbus | — | May-Aug20 |
| Andrew Minton | City of Columbus | — | May-Aug20 |
| Evelyn Kennedy | City of Columbus | — | May-Aug20 |
| Greg Bennett | City of Columbus | — | May-Aug20 |
| Stephen Nielson | City of Columbus | — | May-Aug20 |
| William L Byers, IV | City of Columbus | — | May-Aug20 |
| City of Dayton | — | Jan-Apr19 |
| Coalition of Ohio Regional Districts | — | Jan-Apr19 |
| Andrew Huffman | Coalition of Ohio Regional Districts | — | Jan-Apr19 |
| Brooke A Cheney | Coalition of Ohio Regional Districts | — | Jan-Apr19 |
| Kelly C O'Reilly | Coalition of Ohio Regional Districts | — | Jan-Apr19 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | Jan-Apr19 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | Jan-Apr19 |
| Construction Employers Association | — | Jan-Apr19 |
| Christopher M Sinagra | Construction Employers Association | — | Jan-Apr19 |
| Paul Kudlak | Construction Employers Association | — | May-Aug19 |
| County Commissioners' Association of Ohio | — | Jan-Apr19 |
| Jon P Honeck | County Commissioners' Association of Ohio | — | Jan-Apr19 |
| Department of Taxation | — | Jan-Apr19 |
| Ernest Massie | Department of Taxation | — | Jan-Apr19 |
| Gregory Siegfried | Department of Taxation | — | Jan-Apr19 |
| Ian Dollenmayer | Department of Taxation | — | Jan-Apr19 |
| Jeffrey McClain | Department of Taxation | — | Jan-Apr19 |
| Kenneth Frey | Department of Taxation | — | May-Aug19 |
| Matthew Chafin | Department of Taxation | — | Jan-Apr19 |
| Michael O'Leary | Department of Taxation | — | Jan-Apr19 |
| Sarah O'Leary | Department of Taxation | — | Jan-Apr19 |
| Timothy Lynch | Department of Taxation | — | Jan-Apr19 |
| Greater Cleveland Chapter, NECA | — | Jan-Apr19 |
| Aaron M Ockerman | Greater Cleveland Chapter, NECA | — | Jan-Apr19 |
| David A Battocletti | Greater Cleveland Chapter, NECA | — | Jan-Apr19 |
| Inter-University Council of Ohio (IUC) | — | Jan-Apr19 |
| Bruce E Johnson | Inter-University Council of Ohio (IUC) | — | May-Aug19 |
| Cindy L McQuade | Inter-University Council of Ohio (IUC) | — | May-Aug19 |
| James M Suver | Inter-University Council of Ohio (IUC) | — | Jan-Apr19 |
| Johnson Controls, Inc. | — | Jan-Apr19 |
| Brandon Sagraves | Johnson Controls, Inc. | — | May-Aug19 |
| Erin Synk | Johnson Controls, Inc. | — | Jan-Apr19 |
| Lee C Weingart | Johnson Controls, Inc. | — | Jan-Apr19 |
| Scott Owens | Johnson Controls, Inc. | — | Jan-Apr19 |
| KeyCorp and Subsidiaries | — | May-Aug19 |
| Leah Pappas Porner | KeyCorp and Subsidiaries | — | May-Aug19 |
| Mechanical Contractors Association of Ohio | — | May-Aug19 |
| Joshua Sanders | Mechanical Contractors Association of Ohio | — | May-Aug19 |
| Leah Pappas Porner | Mechanical Contractors Association of Ohio | — | May-Aug19 |
| Metropolitan Libraries of Ohio | — | May-Aug19 |
| Brock Miskimen | Metropolitan Libraries of Ohio | — | May-Aug19 |
| Christopher N Slagle | Metropolitan Libraries of Ohio | — | May-Aug19 |
| Gregory J Lestini | Metropolitan Libraries of Ohio | — | May-Aug19 |
| Matt Koppitch | Metropolitan Libraries of Ohio | — | May-Aug19 |
| Northeast Ohio Regional Sewer District | — | Jan-Apr19 |
| Andrew Huffman | Northeast Ohio Regional Sewer District | — | Jan-Apr19 |
| Brooke A Cheney | Northeast Ohio Regional Sewer District | — | Jan-Apr19 |
| Kelly C O'Reilly | Northeast Ohio Regional Sewer District | — | Jan-Apr19 |
| Matthew S Whitehead | Northeast Ohio Regional Sewer District | — | Jan-Apr19 |
| Victor F Hipsley | Northeast Ohio Regional Sewer District | — | Jan-Apr19 |
| Northwest Ohio Regional Economic Development Association | — | Jan-Apr19 |
| Brock Miskimen | Northwest Ohio Regional Economic Development Association | — | Jan-Apr19 |
| Christopher N Slagle | Northwest Ohio Regional Economic Development Association | — | Jan-Apr19 |
| Gregory J Lestini | Northwest Ohio Regional Economic Development Association | — | Jan-Apr19 |
| Matt Koppitch | Northwest Ohio Regional Economic Development Association | — | Jan-Apr19 |
| OCSEA AFSCME Local 11 | — | Jan-Apr19 |
| Timothy Roberts | OCSEA AFSCME Local 11 | — | Jan-Apr19 |
| Ohio Association of Professional Fire Fighters | — | Jan-Apr19 |
| James P Carney | Ohio Association of Professional Fire Fighters | — | Jan-Apr19 |
| Michael Taylor | Ohio Association of Professional Fire Fighters | — | Jan-Apr19 |
| Thomas A Rave | Ohio Association of Professional Fire Fighters | — | Jan-Apr19 |
| Ohio Chamber of Commerce | — | Jan-Apr19 |
| Kevin Boehner | Ohio Chamber of Commerce | — | Jan-Apr19 |
| Ohio Contractors Association | — | May-Aug19 |
| Michelle R Holdgreve | Ohio Contractors Association | — | May-Aug19 |
| Ohio Economic Development Association | — | Jan-Apr19 |
| Brock Miskimen | Ohio Economic Development Association | — | May-Aug19 |
| Christopher N Slagle | Ohio Economic Development Association | — | Jan-Apr19 |
| Gregory J Lestini | Ohio Economic Development Association | — | Jan-Apr19 |
| Matt Koppitch | Ohio Economic Development Association | — | Jan-Apr19 |
| Melissa Kuhn Wheeler | Ohio Farmers Insurance Company/dba Westfield Group | — | Jan-Apr19 |
| Ohio Insurance Institute | — | May-Aug20 |
| Michael D. Farley | Ohio Insurance Institute | — | May-Aug20 |
| Ohio Library Council | — | Jan-Apr19 |
| F Michelle Francis | Ohio Library Council | — | Jan-Apr19 |
| Ohio Municipal Electric Association | — | Jan-Apr20 |
| Jolene M Thompson | Ohio Municipal Electric Association | — | Jan-Apr20 |
| Lisa McAlister | Ohio Municipal Electric Association | — | Jan-Apr20 |
| Michael A Beirne | Ohio Municipal Electric Association | — | Jan-Apr20 |
| Ohio Municipal League | — | May-Aug19 |
| Ashley Ringle | Ohio Municipal League | — | Sep-Dec19 |
| Brad Barger | Ohio Municipal League | — | May-Aug19 |
| Brian P Barger | Ohio Municipal League | — | May-Aug19 |
| Edward L Albright | Ohio Municipal League | — | May-Aug19 |
| Ohio Rural Development Alliance | — | Jan-Apr19 |
| Brock Miskimen | Ohio Rural Development Alliance | — | Jan-Apr19 |
| Christopher N Slagle | Ohio Rural Development Alliance | — | Jan-Apr19 |
| Gregory J Lestini | Ohio Rural Development Alliance | — | Jan-Apr19 |
| Matt Koppitch | Ohio Rural Development Alliance | — | Jan-Apr19 |
| Rachael Guastella | Ohio Rural Development Alliance | — | Sep-Dec19 |
| Ohio Rural Water Association | — | Jan-Apr19 |
| Andrew Huffman | Ohio Rural Water Association | — | Jan-Apr19 |
| Brooke A Cheney | Ohio Rural Water Association | — | Jan-Apr19 |
| Kelly C O'Reilly | Ohio Rural Water Association | — | Jan-Apr19 |
| Matthew S Whitehead | Ohio Rural Water Association | — | Jan-Apr19 |
| Victor F Hipsley | Ohio Rural Water Association | — | Jan-Apr19 |
| Ohio School Boards Association | — | May-Aug20 |
| Jennifer Hogue | Ohio School Boards Association | — | May-Aug20 |
| Nicole Piscitani | Ohio School Boards Association | — | May-Aug20 |
| William Schwartz | Ohio School Boards Association | — | May-Aug20 |
| Ohio State Building & Construction Trades Council | — | May-Aug19 |
| Mark D Tucker | Ohio State Building & Construction Trades Council | — | May-Aug19 |
| N Victor Goodman | Ohio State Building & Construction Trades Council | — | May-Aug19 |
| Ohio Township Association | — | Jan-Apr19 |
| Andrew Huffman | Ohio Township Association | — | Jan-Apr19 |
| Brooke A Cheney | Ohio Township Association | — | Jan-Apr19 |
| Heidi M Fought | Ohio Township Association | — | Jan-Apr19 |
| Kelly C O'Reilly | Ohio Township Association | — | Jan-Apr19 |
| Marisa Myers | Ohio Township Association | — | Jan-Apr19 |
| Matthew DeTemple | Ohio Township Association | — | Jan-Apr19 |
| Matthew S Whitehead | Ohio Township Association | — | Jan-Apr19 |
| Victor F Hipsley | Ohio Township Association | — | Jan-Apr19 |
| The Columbus Partnership | — | Jan-Apr19 |
| Evelyn Kennedy | The Columbus Partnership | — | May-Aug19 |
| Gerard Basalla | The Columbus Partnership | — | Jan-Apr20 |
| Jeff Polesovsky | The Columbus Partnership | — | Jan-Apr19 |
| William L Byers, IV | The Columbus Partnership | — | Jan-Apr19 |
| The Ohio State University | — | May-Aug19 |
| Brian Perera | The Ohio State University | — | May-Aug19 |