| Trey Addison | AARP | — | Sep-Dec17 |
| ACT Ohio | — | Jan-Apr17 |
| Matthew Szollosi | ACT Ohio | — | Jan-Apr17 |
| AT&T | — | Sep-Dec17 |
| Jan Bans | AT&T | — | Sep-Dec17 |
| American Municipal Power | — | May-Aug17 |
| Charles Willoughby | American Municipal Power | — | May-Aug17 |
| Jolene M Thompson | American Municipal Power | — | May-Aug17 |
| Michael A Beirne | American Municipal Power | — | May-Aug17 |
| Americans for Prosperity | — | Sep-Dec17 |
| Ezra Escudero | Americans for Prosperity | — | Sep-Dec17 |
| Associated Builders and Contractors of Ohio | — | Jan-Apr17 |
| Associated General Contractors of Ohio | — | Jan-Apr17 |
| Andrea Maclam Ashley | Associated General Contractors of Ohio | — | Jan-Apr17 |
| City of Cincinnati | — | Jan-Apr17 |
| George T Glover | City of Cincinnati | — | Jan-Apr17 |
| James W. Ritter | City of Cincinnati | — | Jan-Apr17 |
| Nancy Cahall | City of Cincinnati | — | Jan-Apr17 |
| City of Columbus | — | May-Aug17 |
| Emerald Hernandez | City of Columbus | — | May-Aug17 |
| City of Grove City | — | Jan-Apr17 |
| Deborah Hackathorn | City of Grove City | — | Jan-Apr17 |
| Joseph Ewig | City of Grove City | — | May-Aug17 |
| Cuyahoga Land Bank | — | Jan-Apr17 |
| Amanda Grandjean | Cuyahoga Land Bank | — | Jan-Apr17 |
| Christopher N Slagle | Cuyahoga Land Bank | — | Jan-Apr17 |
| Gregory J Lestini | Cuyahoga Land Bank | — | Jan-Apr17 |
| Department of Commerce | — | Jan-Apr17 |
| Erica Vincent | Department of Commerce | — | Jan-Apr18 |
| Rachael Carl | Department of Commerce | — | Jan-Apr17 |
| Zach Prouty | Department of Commerce | — | Jan-Apr17 |
| Hunter Wright | Direct Energy Services, LLC | — | Jan-Apr17 |
| Teresa Ringenbach | Direct Energy Services, LLC | — | Jan-Apr17 |
| Enel North America, Inc. and Its Affiliates | — | Jan-Apr17 |
| Energy Action Fund | — | Sep-Dec17 |
| Environmental Defense Action Fund | — | May-Aug17 |
| Joshua Sanders | FirstEnergy | — | May-Aug17 |
| Leah Pappas Porner | FirstEnergy | — | May-Aug17 |
| Jeffrey T DeLeone | Gavin Generation II, LLC | — | May-Aug17 |
| Governor's Office | — | Jan-Apr17 |
| Beth Hansen | Governor's Office | — | Jan-Apr17 |
| Dawn Larzelere | Governor's Office | — | Jan-Apr17 |
| Merle Madrid | Governor's Office | — | Jan-Apr17 |
| Tim Biggam | Governor's Office | — | Sep-Dec17 |
| Wayne Struble | Governor's Office | — | Jan-Apr17 |
| Greater Cleveland Chapter, NECA | — | Jan-Apr17 |
| Aaron M Ockerman | Greater Cleveland Chapter, NECA | — | Jan-Apr17 |
| Hamilton County Administration | — | Jan-Apr17 |
| Anne Sesler | Hamilton County Administration | — | May-Aug17 |
| Charles H Gerhardt, III | Hamilton County Administration | — | Jan-Apr17 |
| James T Benedict | Hamilton County Administration | — | Jan-Apr17 |
| Indiana, Kentucky, Ohio Regional Council of Carpenters | — | May-Aug17 |
| Jason Clark | Indiana, Kentucky, Ohio Regional Council of Carpenters | — | Sep-Dec17 |
| Kevin M Murray | Industrial Energy Users-Ohio | — | May-Aug18 |
| Adam Hewit | Laborers' District Council of Ohio | — | May-Aug18 |
| Local 172 International Association of Bridge, Structural, Ornamental & Reinforcing Iron Workers | — | May-Aug18 |
| Adam Hewit | Local 172 International Association of Bridge, Structural, Ornamental & Reinforcing Iron Workers | — | May-Aug18 |
| Charlotte B Hickcox | Manufacturing Policy Alliance | — | Sep-Dec17 |
| Thomas M Zaino | Manufacturing Policy Alliance | — | Sep-Dec17 |
| Mechanical Contractors Association of Ohio | — | Jan-Apr17 |
| Joshua Sanders | Mechanical Contractors Association of Ohio | — | Jan-Apr17 |
| Leah Pappas Porner | Mechanical Contractors Association of Ohio | — | Jan-Apr17 |
| Nationwide | — | May-Aug17 |
| Alex Homan | Nationwide | — | May-Aug17 |
| Chad Wilson | Nationwide | — | May-Aug17 |
| Ohio Administrative District Council of Bricklayers and Allied Crafts | — | Jan-Apr17 |
| Bret Wiseman | Ohio Administrative District Council of Bricklayers and Allied Crafts | — | Jan-Apr17 |
| Robert Ina | Ohio Administrative District Council of Bricklayers and Allied Crafts | — | Jan-Apr17 |
| 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 |
| Ohio Conference of Plasterers and Cement Masons | — | Jan-Apr17 |
| Robert Ina | Ohio Conference of Plasterers and Cement Masons | — | Jan-Apr17 |
| Ohio Conference of Teamsters | — | May-Aug18 |
| Adam Hewit | Ohio Conference of Teamsters | — | May-Aug18 |
| Ohio Environmental Council Action Fund | — | May-Aug17 |
| Trish Demeter | Ohio Environmental Council Action Fund | — | May-Aug17 |
| 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 | — | May-Aug17 |
| Kristen Sours | Ohio Home Builders Association, Inc | — | Jan-Apr17 |
| Vincent J Squillace | Ohio Home Builders Association, Inc | — | Jan-Apr17 |
| Ohio Housing Council | — | Jan-Apr17 |
| Andrew Huffman | Ohio Housing Council | — | Jan-Apr17 |
| Brooke A Cheney | Ohio Housing Council | — | Jan-Apr17 |
| Kelly C O'Reilly | Ohio Housing Council | — | Jan-Apr17 |
| Matthew S Whitehead | Ohio Housing Council | — | Jan-Apr17 |
| Victor F Hipsley | Ohio Housing Council | — | Jan-Apr17 |
| Ohio Insurance Institute | — | Jan-Apr17 |
| Michael D. Farley | Ohio Insurance Institute | — | Jan-Apr17 |
| Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr17 |
| Andrea Reichman | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr17 |
| Andrew Huffman | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr17 |
| Brooke A Cheney | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr17 |
| Kelly C O'Reilly | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr17 |
| Matthew S Whitehead | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr17 |
| Timothy Williams | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr17 |
| Victor F Hipsley | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr17 |
| Ohio Municipal Electric Association | — | May-Aug17 |
| Charles Willoughby | Ohio Municipal Electric Association | — | May-Aug17 |
| Courtney Saunders | Ohio Municipal Electric Association | — | May-Aug17 |
| Daniel P Leite | Ohio Municipal Electric Association | — | May-Aug17 |
| Denise M Larr | Ohio Municipal Electric Association | — | Jan-Apr17 |
| Jolene M Thompson | Ohio Municipal Electric Association | — | May-Aug17 |
| Kurt L Leib | Ohio Municipal Electric Association | — | May-Aug17 |
| Lisa McAlister | Ohio Municipal Electric Association | — | May-Aug17 |
| Michael A Beirne | Ohio Municipal Electric Association | — | May-Aug17 |
| Robert N Eshenbaugh, Jr | Ohio Municipal Electric Association | — | May-Aug17 |
| William Fitzgibbon | Ohio Municipal Electric Association | — | Jan-Apr17 |
| Ohio Municipal League | — | May-Aug17 |
| Ashley Ringle | Ohio Municipal League | — | Jan-Apr17 |
| Brad Barger | Ohio Municipal League | — | Jan-Apr17 |
| Brian P Barger | Ohio Municipal League | — | Jan-Apr17 |
| Edward L Albright | Ohio Municipal League | — | Jan-Apr17 |
| Joshua Brown | Ohio Municipal League | — | May-Aug17 |
| Kent M Scarrett | Ohio Municipal League | — | Jan-Apr17 |
| Ohio Real Estate Investors Association | — | Jan-Apr17 |
| Andrew Huffman | Ohio Real Estate Investors Association | — | Jan-Apr17 |
| Brooke A Cheney | Ohio Real Estate Investors Association | — | Jan-Apr17 |
| Dan Acton | Ohio Real Estate Investors Association | — | Jan-Apr18 |
| Kelly C O'Reilly | Ohio Real Estate Investors Association | — | Jan-Apr17 |
| Matthew S Whitehead | Ohio Real Estate Investors Association | — | Jan-Apr17 |
| Victor F Hipsley | Ohio Real Estate Investors Association | — | Jan-Apr17 |
| 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 |
| Sheet Metal Workers Local 24 | — | Jan-Apr17 |
| Bret Wiseman | Sheet Metal Workers Local 24 | — | Jan-Apr17 |
| Robert Ina | Sheet Metal Workers Local 24 | — | Jan-Apr17 |
| Sheet Metal Workers Local Union 33 | — | Jan-Apr17 |
| Bret Wiseman | Sheet Metal Workers Local Union 33 | — | Jan-Apr17 |
| Robert Ina | Sheet Metal Workers Local Union 33 | — | Jan-Apr17 |
| Sheet Metal and Air Conditioning Contractors National Association, Cleveland Chapter (SMACNA CLE) | — | Jan-Apr17 |
| Bret Wiseman | Sheet Metal and Air Conditioning Contractors National Association, Cleveland Chapter (SMACNA CLE) | — | Jan-Apr17 |
| Robert Ina | Sheet Metal and Air Conditioning Contractors National Association, Cleveland Chapter (SMACNA CLE) | — | Jan-Apr17 |