| Andrea Maclam Ashley | Associated General Contractors of Ohio | — | Sep-Dec18 |
| Central Ohio Transit Authority (COTA) | — | Sep-Dec17 |
| Douglas Arseneault | Central Ohio Transit Authority (COTA) | — | Sep-Dec17 |
| Laura Koprowski | Central Ohio Transit Authority (COTA) | — | Sep-Dec17 |
| Cincinnati USA Regional Chamber | — | Jan-Apr17 |
| Carrie Pastor | Cincinnati USA Regional Chamber | — | Jan-Apr17 |
| Emily Wineland | Cincinnati USA Regional Chamber | — | Jan-Apr17 |
| Jason Kershner | Cincinnati USA Regional Chamber | — | Jan-Apr17 |
| City of Cincinnati | — | Sep-Dec17 |
| George T Glover | City of Cincinnati | — | Sep-Dec17 |
| James W. Ritter | City of Cincinnati | — | Sep-Dec17 |
| Nancy Cahall | City of Cincinnati | — | Sep-Dec17 |
| Emerald Hernandez | City of Columbus | — | May-Aug17 |
| City of Dayton | — | Sep-Dec18 |
| City of Dublin | — | Sep-Dec17 |
| Matthew G Kallner | City of Dublin | — | Sep-Dec17 |
| City of Grove City | — | Jan-Apr17 |
| Deborah Hackathorn | City of Grove City | — | Jan-Apr17 |
| Joseph Ewig | City of Grove City | — | Jan-Apr17 |
| City of Hamilton | — | Sep-Dec17 |
| Erin Synk | City of Hamilton | — | Sep-Dec17 |
| Lee C Weingart | City of Hamilton | — | Sep-Dec17 |
| Scott Owens | City of Hamilton | — | Sep-Dec17 |
| City of Toledo | — | Sep-Dec18 |
| Andrew W Herf | City of Toledo | — | Sep-Dec17 |
| Cleveland Clinic Foundation | — | Sep-Dec17 |
| Alex Shumate | Cleveland Clinic Foundation | — | Sep-Dec17 |
| Jennifer Johns | Cleveland Clinic Foundation | — | Sep-Dec17 |
| Michael Evans | Cleveland Clinic Foundation | — | Sep-Dec17 |
| Nathanael Jonhenry | Cleveland Clinic Foundation | — | Sep-Dec17 |
| Timothy J Cosgrove | Cleveland Clinic Foundation | — | Sep-Dec17 |
| Coalition of Ohio Regional Districts | — | Jan-Apr17 |
| Andrew Huffman | Coalition of Ohio Regional Districts | — | Jan-Apr17 |
| Brooke A Cheney | Coalition of Ohio Regional Districts | — | Jan-Apr17 |
| Kelly C O'Reilly | Coalition of Ohio Regional Districts | — | Jan-Apr17 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | Jan-Apr17 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | Jan-Apr17 |
| Columbus City School District | — | May-Aug17 |
| Erik Roush | Columbus City School District | — | May-Aug17 |
| County Auditors' Association of Ohio | — | Jan-Apr17 |
| Hunter Wright | County Auditors' Association of Ohio | — | Jan-Apr17 |
| Thomas P Pappas | County Auditors' Association of Ohio | — | Jan-Apr17 |
| County Commissioners' Association of Ohio | — | Sep-Dec17 |
| John R Leutz | County Commissioners' Association of Ohio | — | Sep-Dec17 |
| Kate Neithammer | County Commissioners' Association of Ohio | — | Sep-Dec17 |
| Suzanne K Dulaney | County Commissioners' Association of Ohio | — | Sep-Dec17 |
| Cuyahoga County | — | Sep-Dec17 |
| Rachel G Winder | Cuyahoga County | — | Sep-Dec17 |
| Robert A Zimmerman | Cuyahoga County | — | Sep-Dec17 |
| Cuyahoga County Mayors and City Managers Association | — | Sep-Dec17 |
| Nathanael Jonhenry | Cuyahoga County Mayors and City Managers Association | — | Sep-Dec17 |
| Timothy J Cosgrove | Cuyahoga County Mayors and City Managers Association | — | Sep-Dec17 |
| Delhi Township, Ohio | — | May-Aug17 |
| George T Glover | Delhi Township, Ohio | — | Jan-Apr17 |
| Tim Derickson | Department of Agriculture | — | Sep-Dec17 |
| Department of Development | — | Jan-Apr17 |
| John C Mahaney | Department of Development | — | Jan-Apr17 |
| Rachel Johanson | Department of Development | — | Jan-Apr17 |
| Department of Taxation | — | Jan-Apr17 |
| Adam Schwiebert | Department of Taxation | — | Jan-Apr17 |
| Ernest Massie | Department of Taxation | — | Jan-Apr17 |
| Gregory Siegfried | Department of Taxation | — | Jan-Apr17 |
| Joseph Testa | Department of Taxation | — | Jan-Apr17 |
| Marjorie Kruse | Department of Taxation | — | Jan-Apr17 |
| Matthew Chafin | Department of Taxation | — | Jan-Apr17 |
| Michael O'Leary | Department of Taxation | — | Jan-Apr17 |
| Nicholas Cipiti | Department of Taxation | — | Jan-Apr17 |
| Stanley Dixon | Department of Taxation | — | Jan-Apr17 |
| Timothy Lynch | Department of Taxation | — | Jan-Apr17 |
| Enterprise Products Company | — | Sep-Dec17 |
| Delbert Fore | Enterprise Products Company | — | Sep-Dec17 |
| Nathanael Jonhenry | Enterprise Products Company | — | Sep-Dec17 |
| Timothy J Cosgrove | Enterprise Products Company | — | Sep-Dec17 |
| Governor's Office | — | Jan-Apr17 |
| Beth Hansen | Governor's Office | — | Jan-Apr17 |
| Dawn Larzelere | Governor's Office | — | Jan-Apr17 |
| Jason Whalen | Governor's Office | — | Sep-Dec17 |
| Merle Madrid | Governor's Office | — | Jan-Apr17 |
| Tim Biggam | Governor's Office | — | Sep-Dec17 |
| Wayne Struble | Governor's Office | — | Jan-Apr17 |
| Greater Akron Chamber | — | Jan-Apr17 |
| Daniel Colantone | Greater Akron Chamber | — | Jan-Apr17 |
| Megann Eberhart | Greater Akron Chamber | — | Jan-Apr17 |
| Rick Rebadow | Greater Akron Chamber | — | Sep-Dec17 |
| Green Township, Ohio | — | Jan-Apr17 |
| George T Glover | Green Township, Ohio | — | Jan-Apr17 |
| Hamilton County Administration | — | Sep-Dec17 |
| Anne Sesler | Hamilton County Administration | — | Sep-Dec17 |
| Charles H Gerhardt, III | Hamilton County Administration | — | Sep-Dec17 |
| James T Benedict | Hamilton County Administration | — | Sep-Dec17 |
| Inter-University Council of Ohio (IUC) | — | Sep-Dec17 |
| James M Suver | Inter-University Council of Ohio (IUC) | — | Sep-Dec17 |
| International Council of Shopping Centers | — | Jan-Apr18 |
| Joshua Sanders | International Council of Shopping Centers | — | Jan-Apr18 |
| Leah Pappas Porner | International Council of Shopping Centers | — | Jan-Apr18 |
| MarkWest Energy Partners, L.P. | — | Sep-Dec17 |
| Jeffrey T DeLeone | MarkWest Energy Partners, L.P. | — | Sep-Dec17 |
| Matthew Forney | MarkWest Energy Partners, L.P. | — | Sep-Dec17 |
| Molina Healthcare, Inc | — | Sep-Dec17 |
| Adam Hewit | Molina Healthcare, Inc | — | Sep-Dec17 |
| J Robert Blazer | Molina Healthcare, Inc | — | Sep-Dec17 |
| Office of Budget and Management | — | Sep-Dec17 |
| Christine Morrison | Office of Budget and Management | — | Sep-Dec17 |
| Frederick Church | Office of Budget and Management | — | Sep-Dec17 |
| Timothy S Keen | Office of Budget and Management | — | Sep-Dec17 |
| Ohio Association of Convention & Visitor Bureaus | — | Sep-Dec18 |
| Andrew W Herf | Ohio Association of Convention & Visitor Bureaus | — | Sep-Dec18 |
| Joseph Hollabaugh | Ohio Association of Convention & Visitor Bureaus | — | Sep-Dec18 |
| Ohio Association of Health Plans, Inc | — | Sep-Dec17 |
| Miranda Motter | Ohio Association of Health Plans, Inc | — | Sep-Dec17 |
| Ohio Association of Professional Fire Fighters | — | Jan-Apr17 |
| Andrew Rigsbee | Ohio Association of Professional Fire Fighters | — | Jan-Apr17 |
| Brian Gatley | Ohio Association of Professional Fire Fighters | — | Jan-Apr17 |
| David McElfresh | Ohio Association of Professional Fire Fighters | — | Jan-Apr17 |
| James P Carney | Ohio Association of Professional Fire Fighters | — | Jan-Apr17 |
| Michael Taylor | Ohio Association of Professional Fire Fighters | — | Jan-Apr17 |
| Russell Brode | Ohio Association of Professional Fire Fighters | — | Jan-Apr17 |
| Thomas A Rave | Ohio Association of Professional Fire Fighters | — | Jan-Apr17 |
| William Mastroianni | Ohio Association of Professional Fire Fighters | — | Jan-Apr17 |
| J Randal Weston | Ohio Association of Public School Employees (OAPSE) | — | Sep-Dec17 |
| Ohio Fire Chiefs' Association | — | Jan-Apr17 |
| Anne Beauch | Ohio Fire Chiefs' Association | — | Jan-Apr17 |
| David Cordonnier | Ohio Fire Chiefs' Association | — | Jan-Apr17 |
| Michelle M Fitzgibbon | Ohio Fire Chiefs' Association | — | Jan-Apr17 |
| Ohio Home Builders Association, Inc | — | Jan-Apr17 |
| Kristen Sours | Ohio Home Builders Association, Inc | — | Jan-Apr17 |
| Vincent J Squillace | Ohio Home Builders Association, Inc | — | Jan-Apr17 |
| Ohio Library Council | — | Sep-Dec17 |
| F Michelle Francis | Ohio Library Council | — | Sep-Dec17 |
| Ohio Mayors Alliance | — | Sep-Dec17 |
| Keary McCarthy | Ohio Mayors Alliance | — | Sep-Dec17 |
| Ohio Municipal League | — | Jan-Apr17 |
| Ashley Ringle | Ohio Municipal League | — | May-Aug17 |
| Brad Barger | Ohio Municipal League | — | Sep-Dec17 |
| Brian P Barger | Ohio Municipal League | — | Sep-Dec17 |
| Edward L Albright | Ohio Municipal League | — | Jan-Apr17 |
| Joshua Brown | Ohio Municipal League | — | May-Aug17 |
| Kent M Scarrett | Ohio Municipal League | — | Jan-Apr17 |
| Jeffrey T DeLeone | Ohio Oil and Gas Association | — | Sep-Dec17 |
| Matthew Forney | Ohio Oil and Gas Association | — | Sep-Dec17 |
| Matt Carle | Ohio Public Transit Association | — | Sep-Dec17 |
| Lisa Rankin | Ohio Society of Certified Public Accountants | — | Sep-Dec17 |
| Ohio Township Association | — | Jan-Apr17 |
| Andrew Huffman | Ohio Township Association | — | Jan-Apr17 |
| Brooke A Cheney | Ohio Township Association | — | Jan-Apr17 |
| Heidi M Fought | Ohio Township Association | — | Jan-Apr17 |
| Kelly C O'Reilly | Ohio Township Association | — | Jan-Apr17 |
| Matthew DeTemple | Ohio Township Association | — | Jan-Apr17 |
| Matthew S Whitehead | Ohio Township Association | — | Jan-Apr17 |
| Victor F Hipsley | Ohio Township Association | — | Jan-Apr17 |
| Southwest Ohio Regional Transit Authority | — | Sep-Dec17 |
| George T Glover | Southwest Ohio Regional Transit Authority | — | Sep-Dec17 |
| James W. Ritter | Southwest Ohio Regional Transit Authority | — | Sep-Dec17 |
| Nancy Cahall | Southwest Ohio Regional Transit Authority | — | Sep-Dec17 |
| Sycamore Township Board of Trustees | — | Jan-Apr17 |
| George T Glover | Sycamore Township Board of Trustees | — | May-Aug17 |
| The Columbus Partnership | — | Sep-Dec17 |
| Jeff Polesovsky | The Columbus Partnership | — | Sep-Dec17 |
| William L Byers, IV | The Columbus Partnership | — | Sep-Dec17 |
| The Ohio State University | — | Sep-Dec17 |
| Adam Ward | The Ohio State University | — | Sep-Dec17 |
| Brian Perera | The Ohio State University | — | Sep-Dec17 |
| Alex Shumate | U.S. Bank | — | Sep-Dec17 |
| Nathanael Jonhenry | U.S. Bank | — | Sep-Dec17 |
| Timothy J Cosgrove | U.S. Bank | — | Sep-Dec17 |
| Union Township (Clermont County) | — | Jan-Apr17 |
| George T Glover | Union Township (Clermont County) | — | Jan-Apr17 |