| Nate Filler | AES Ohio | — | Jan-Apr17 |
| Stephen P Lake | AES Ohio | — | Jan-Apr17 |
| AT&T | — | Jan-Apr17 |
| Jan Bans | AT&T | — | Jan-Apr17 |
| American Coatings Association | — | Jan-Apr17 |
| John T McGough | American Coatings Association | — | Jan-Apr17 |
| 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 |
| American Petroleum Institute - API Ohio | — | Jan-Apr17 |
| Christian B. Zeigler | American Petroleum Institute - API Ohio | — | Jan-Apr17 |
| Christina Polesovsky | American Petroleum Institute - API Ohio | — | Jan-Apr17 |
| Claire Linkhart | American Petroleum Institute - API Ohio | — | Jan-Apr17 |
| Apex Clean Energy, Inc. | — | Jan-Apr17 |
| Terrence O'Donnell | Apex Clean Energy, Inc. | — | Jan-Apr17 |
| William Vorys | Apex Clean Energy, Inc. | — | Jan-Apr17 |
| Aqua Ohio, Inc | — | Jan-Apr17 |
| Denise M Larr | Aqua Ohio, Inc | — | Jan-Apr17 |
| William Fitzgibbon | Aqua Ohio, Inc | — | Jan-Apr17 |
| ArcelorMittal USA LLC | — | Jan-Apr17 |
| Michael W LaWell | ArcelorMittal USA LLC | — | Jan-Apr17 |
| Associated General Contractors of Ohio | — | Jan-Apr17 |
| Andrea Maclam Ashley | Associated General Contractors of Ohio | — | Jan-Apr17 |
| Association of Ohio Health Commissioners | — | Jan-Apr17 |
| Aaron M Ockerman | Association of Ohio Health Commissioners | — | Jan-Apr17 |
| Beth Bickford | Association of Ohio Health Commissioners | — | Jan-Apr17 |
| Association of Ohio Metropolitan Wastewater Agencies | — | Jan-Apr17 |
| Andrew Etter | Association of Ohio Metropolitan Wastewater Agencies | — | Jan-Apr17 |
| Nathanael Jonhenry | Association of Ohio Metropolitan Wastewater Agencies | — | Jan-Apr17 |
| Timothy J Cosgrove | Association of Ohio Metropolitan Wastewater Agencies | — | Jan-Apr17 |
| Boating Associations of Ohio | — | Jan-Apr17 |
| Amanda R Sines | Boating Associations of Ohio | — | Jan-Apr17 |
| Mikayla Pollitt | Boating Associations of Ohio | — | Jan-Apr17 |
| Buckeye Hills-Hocking Valley Regional Development District | — | Jan-Apr17 |
| Amanda Grandjean | Buckeye Hills-Hocking Valley Regional Development District | — | Jan-Apr17 |
| Christopher N Slagle | Buckeye Hills-Hocking Valley Regional Development District | — | Jan-Apr17 |
| Gregory J Lestini | Buckeye Hills-Hocking Valley Regional Development District | — | Jan-Apr17 |
| Matt Koppitch | Buckeye Hills-Hocking Valley Regional Development District | — | Jan-Apr17 |
| CSX Transportation | — | Jan-Apr17 |
| Rusty Orben | CSX Transportation | — | Jan-Apr17 |
| City of Dayton | — | Sep-Dec18 |
| City of Toledo | — | Sep-Dec18 |
| Andrew W Herf | City of Toledo | — | 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 |
| Consumer Technology Association (CTA)™ | — | Jan-Apr17 |
| Andrew Huffman | Consumer Technology Association (CTA)™ | — | Jan-Apr17 |
| Brooke A Cheney | Consumer Technology Association (CTA)™ | — | Jan-Apr17 |
| Kelly C O'Reilly | Consumer Technology Association (CTA)™ | — | Jan-Apr17 |
| Matthew S Whitehead | Consumer Technology Association (CTA)™ | — | Jan-Apr17 |
| Victor F Hipsley | Consumer Technology Association (CTA)™ | — | Jan-Apr17 |
| Mary Taylor | Department of Insurance | — | Jan-Apr17 |
| Duck Creek Energy, Inc. | — | Jan-Apr17 |
| Anthonio C Fiore | Duck Creek Energy, Inc. | — | Jan-Apr17 |
| Stephen E Tugend | Duck Creek Energy, Inc. | — | Jan-Apr17 |
| Ductile Iron Pipe Research Association | — | Jan-Apr17 |
| Andrew Minton | Ductile Iron Pipe Research Association | — | Jan-Apr17 |
| Greg Bennett | Ductile Iron Pipe Research Association | — | Jan-Apr17 |
| William L Byers, IV | Ductile Iron Pipe Research Association | — | Jan-Apr17 |
| EDP Renewables | — | Jan-Apr17 |
| Terrence O'Donnell | EDP Renewables | — | Jan-Apr17 |
| William Vorys | EDP Renewables | — | Jan-Apr17 |
| Energy Action Fund | — | Jan-Apr17 |
| Terrence O'Donnell | Energy Action Fund | — | Jan-Apr17 |
| William Vorys | Energy Action Fund | — | Jan-Apr17 |
| 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 |
| Michael Fraizer | Governor's Office | — | Jan-Apr17 |
| Sarah Huffman | 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 |
| Greater Cleveland Partnership | — | Jan-Apr17 |
| Alesha Washington | Greater Cleveland Partnership | — | Jan-Apr17 |
| Alex Shumate | Greater Cleveland Partnership | — | Jan-Apr17 |
| Martin R McGann | Greater Cleveland Partnership | — | Jan-Apr17 |
| Nathanael Jonhenry | Greater Cleveland Partnership | — | Jan-Apr17 |
| Sante Ghetti | Greater Cleveland Partnership | — | Jan-Apr17 |
| Timothy J Cosgrove | Greater Cleveland Partnership | — | Jan-Apr17 |
| Greater Ohio Policy Center | — | Jan-Apr17 |
| Jason Warner | Greater Ohio Policy Center | — | Jan-Apr17 |
| Kurtz Brothers Central OH LLC | — | Jan-Apr17 |
| Belinda M Jones | Kurtz Brothers Central OH LLC | — | Jan-Apr17 |
| Dan Jones | Kurtz Brothers Central OH LLC | — | Jan-Apr17 |
| Lake Erie Marine Trades Association | — | Jan-Apr17 |
| Amanda R Sines | Lake Erie Marine Trades Association | — | Jan-Apr17 |
| Mikayla Pollitt | Lake Erie Marine Trades Association | — | Jan-Apr17 |
| League of Women Voters of Ohio | — | Jan-Apr17 |
| Carrie L Davis | League of Women Voters of Ohio | — | Jan-Apr17 |
| MK1 Resources, LLC | — | Jan-Apr17 |
| Rachel G Winder | MK1 Resources, LLC | — | Jan-Apr17 |
| Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr17 |
| Courtney Saunders | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr17 |
| Daniel P Leite | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr17 |
| David Blatnik | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr17 |
| Kurt L Leib | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr17 |
| Robert N Eshenbaugh, Jr | Marathon Petroleum Corporation & its Subsidiaries and Affiliates | — | Jan-Apr17 |
| Metallus Inc | — | May-Aug17 |
| Denise M Larr | Metallus Inc | — | Jan-Apr17 |
| William Fitzgibbon | Metallus Inc | — | Jan-Apr17 |
| National Association of Water Companies, Ohio Chapter | — | Jan-Apr17 |
| Denise M Larr | National Association of Water Companies, Ohio Chapter | — | Jan-Apr17 |
| William Fitzgibbon | National Association of Water Companies, Ohio Chapter | — | Jan-Apr17 |
| National Waste & Recycling Association | — | Jan-Apr17 |
| Willa J Ebersole | National Waste & Recycling Association | — | Jan-Apr17 |
| Northeast Ohio Regional Sewer District | — | Jan-Apr17 |
| Karen A Cincione | Northeast Ohio Regional Sewer District | — | Jan-Apr17 |
| Thomas Niehaus | Northeast Ohio Regional Sewer District | — | Jan-Apr17 |
| Nucor Steel Marion, Inc | — | Jan-Apr17 |
| Denise M Larr | Nucor Steel Marion, Inc | — | Jan-Apr17 |
| William Fitzgibbon | Nucor Steel Marion, Inc | — | Jan-Apr17 |
| Office of the Lt. Governor | — | Jan-Apr17 |
| Mark Hamlin | Office of the Lt. Governor | — | Jan-Apr17 |
| Ohio Agribusiness Association | — | Jan-Apr17 |
| Belinda M Jones | Ohio Agribusiness Association | — | Jan-Apr17 |
| Christopher Henney | Ohio Agribusiness Association | — | May-Aug17 |
| Erik Mikkelson | Ohio Association of County Behavioral Health Authorities | — | May-Aug17 |
| Ohio Association of Regional Councils | — | Jan-Apr17 |
| Kevin L Futryk | Ohio Association of Regional Councils | — | Jan-Apr17 |
| Ohio Cattlemen's Association | — | May-Aug17 |
| Elizabeth A Harsh | Ohio Cattlemen's Association | — | May-Aug17 |
| Ohio Chamber of Commerce | — | Jan-Apr17 |
| Andrew E Doehrel | Ohio Chamber of Commerce | — | May-Aug17 |
| Keith Lake | Ohio Chamber of Commerce | — | Jan-Apr17 |
| Zachary Frymier | Ohio Chamber of Commerce | — | Jan-Apr17 |
| Ohio Chapter International Warehouse and Logistics Association | — | Jan-Apr18 |
| Ohio Corn & Wheat Growers Association | — | Jan-Apr17 |
| John Torres | Ohio Corn & Wheat Growers Association | — | Jan-Apr17 |
| Ohio Dairy Producers Association | — | Jan-Apr17 |
| Jennifer Lynch | Ohio Dairy Producers Association | — | Jan-Apr17 |
| Ohio Environmental Council Action Fund | — | Jan-Apr17 |
| Kristy Meyer | Ohio Environmental Council Action Fund | — | Jan-Apr17 |
| Sarah Spence | Ohio Environmental Council Action Fund | — | Jan-Apr17 |
| Trent Dougherty | Ohio Environmental Council Action Fund | — | Jan-Apr17 |
| Ohio Environmental Health Association | — | Jan-Apr17 |
| Anthony Brigano | Ohio Environmental Health Association | — | Jan-Apr17 |
| Erik Mikkelson | Ohio Environmental Health Association | — | Jan-Apr17 |
| Ohio Environmental Protection Agency | — | Jan-Apr17 |
| Craig Butler | Ohio Environmental Protection Agency | — | Jan-Apr17 |
| Danielle Giannantonio | Ohio Environmental Protection Agency | — | Jan-Apr17 |
| Greg Vergamini | Ohio Environmental Protection Agency | — | Jan-Apr17 |
| Laura H. Factor | Ohio Environmental Protection Agency | — | Jan-Apr17 |
| Ohio Environmental Service Industries | — | Jan-Apr17 |
| Dee Smith | Ohio Environmental Service Industries | — | Jan-Apr17 |
| Thomas P Pappas | Ohio Environmental Service Industries | — | Jan-Apr17 |
| Willa J Ebersole | Ohio Environmental Service Industries | — | Jan-Apr17 |
| Ohio Farm Bureau Federation, Inc. | — | Jan-Apr17 |
| Adam Sharp | Ohio Farm Bureau Federation, Inc. | — | Jan-Apr17 |
| Anthony Seegers | Ohio Farm Bureau Federation, Inc. | — | Jan-Apr17 |
| Jack Irvin | Ohio Farm Bureau Federation, Inc. | — | Jan-Apr17 |
| Jenna Reese | Ohio Farm Bureau Federation, Inc. | — | Jan-Apr17 |
| Leah Curtis | Ohio Farm Bureau Federation, Inc. | — | Jan-Apr17 |
| Yvonne C Lesicko | Ohio Farm Bureau Federation, Inc. | — | Jan-Apr17 |
| Ohio Green Industry Association (OGIA) | — | Jan-Apr17 |
| Belinda M Jones | Ohio Green Industry Association (OGIA) | — | Jan-Apr17 |
| Dan Jones | Ohio Green Industry Association (OGIA) | — | 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 Lawn Care Association | — | May-Aug17 |
| Belinda M Jones | Ohio Lawn Care Association | — | May-Aug17 |
| 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 Manufacturers' Association | — | Jan-Apr17 |
| Robert Brundrett | Ohio Manufacturers' Association | — | Jan-Apr17 |
| Ryan R Augsburger | Ohio Manufacturers' Association | — | 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 |
| 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 |
| Scott Owens | Ohio Municipal Electric Association | — | May-Aug17 |
| Ohio Municipal League | — | Jan-Apr17 |
| Edward L Albright | Ohio Municipal League | — | Jan-Apr17 |
| Ohio Oil and Gas Association | — | Jan-Apr17 |
| Brian Hickman | Ohio Oil and Gas Association | — | Jan-Apr17 |
| Penny Seipel | Ohio Oil and Gas Association | — | Jan-Apr17 |
| Shawn Bennett | Ohio Oil and Gas Association | — | Jan-Apr17 |
| Ohio Pest Management Association | — | Jan-Apr17 |
| Belinda M Jones | Ohio Pest Management Association | — | Jan-Apr17 |
| Ohio Poultry Association | — | Jan-Apr17 |
| Courtney Saunders | Ohio Poultry Association | — | Jan-Apr17 |
| Daniel P Leite | Ohio Poultry Association | — | Jan-Apr17 |
| Kurt L Leib | Ohio Poultry Association | — | Jan-Apr17 |
| Robert N Eshenbaugh, Jr | Ohio Poultry Association | — | Jan-Apr17 |
| Ohio Prosecuting Attorneys Association | — | Jan-Apr17 |
| John E Murphy | Ohio Prosecuting Attorneys Association | — | Jan-Apr17 |
| Louis Tobin | Ohio Prosecuting Attorneys Association | — | Sep-Dec17 |
| Steve C. Hall | Ohio Prosecuting Attorneys Association | — | Jan-Apr17 |
| Ohio Rural Water Association | — | Jan-Apr17 |
| Andrew Huffman | Ohio Rural Water Association | — | Jan-Apr17 |
| Brooke A Cheney | Ohio Rural Water Association | — | Jan-Apr17 |
| Kelly C O'Reilly | Ohio Rural Water Association | — | Jan-Apr17 |
| Matthew S Whitehead | Ohio Rural Water Association | — | Jan-Apr17 |
| Victor F Hipsley | Ohio Rural Water Association | — | Jan-Apr17 |
| Ohio Soybean Association | — | Jan-Apr17 |
| Adam Ward | Ohio Soybean Association | — | Jan-Apr17 |
| David A Battocletti | Ohio Soybean Association | — | Jan-Apr17 |
| Emilie Hancock | Ohio Soybean Association | — | May-Aug17 |
| Kirk Merritt | Ohio Soybean Association | — | May-Aug17 |
| Nick Blazer | Ohio Soybean Association | — | May-Aug17 |
| Adam Hewit | Ohio Steel Council | — | May-Aug17 |
| Denise M Larr | Ohio Steel Council | — | 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 |
| Kelly C O'Reilly | Ohio Trucking Association | — | Sep-Dec18 |
| Ohio-Michigan Association of Career Colleges and Schools | — | Sep-Dec17 |
| OhioPLANT (Coalition of Pesticide, Landscape, Agriculture, Nursery, and Turf professionals) | — | Jan-Apr17 |
| Belinda M Jones | OhioPLANT (Coalition of Pesticide, Landscape, Agriculture, Nursery, and Turf professionals) | — | Jan-Apr17 |
| Dan Jones | OhioPLANT (Coalition of Pesticide, Landscape, Agriculture, Nursery, and Turf professionals) | — | Jan-Apr17 |
| Patriot Water Treatment, LLC | — | Jan-Apr17 |
| Brad Barger | Patriot Water Treatment, LLC | — | Jan-Apr17 |
| Brian P Barger | Patriot Water Treatment, LLC | — | Jan-Apr17 |
| Port of Cleveland | — | May-Aug17 |
| Jade D Davis | Port of Cleveland | — | Jan-Apr17 |
| Rumpke Consolidated Companies | — | Jan-Apr17 |
| Joshua Sanders | Rumpke Consolidated Companies | — | Jan-Apr17 |
| Leah Pappas Porner | Rumpke Consolidated Companies | — | Jan-Apr17 |
| Belinda M Jones | Signet Jewelers Ltd. | — | Sep-Dec17 |
| Solid Waste Authority of Central Ohio | — | Jan-Apr17 |
| Belinda M Jones | Solid Waste Authority of Central Ohio | — | Jan-Apr17 |
| Dan Jones | Solid Waste Authority of Central Ohio | — | Jan-Apr17 |
| William L Byers, IV | Solid Waste Authority of Central Ohio | — | Jan-Apr17 |
| The Nature Conservancy in Ohio | — | Jan-Apr17 |
| Josh Knights | The Nature Conservancy in Ohio | — | Jan-Apr17 |
| Tracy S Freeman | The Nature Conservancy in Ohio | — | Jan-Apr17 |
| The Ohio State University | — | Jan-Apr17 |
| Adam Ward | The Ohio State University | — | Jan-Apr17 |
| Amy Goyal | The Ohio State University | — | Jan-Apr17 |
| Brian Perera | The Ohio State University | — | Jan-Apr17 |
| The Scotts Miracle-Gro Company | — | Jan-Apr17 |
| Ann Aquillo | The Scotts Miracle-Gro Company | — | Jan-Apr17 |
| Belinda M Jones | The Scotts Miracle-Gro Company | — | Jan-Apr17 |
| Dan Jones | The Scotts Miracle-Gro Company | — | Jan-Apr17 |
| Andrew W Herf | Toledo/Lucas County Port Authority | — | Sep-Dec17 |
| United States Steel Corporation | — | Jan-Apr17 |
| Adam Hewit | United States Steel Corporation | — | May-Aug17 |
| Emily Petrovich | United States Steel Corporation | — | Jan-Apr17 |
| Verdantas LLC | — | Jan-Apr17 |
| Jeffrey T DeLeone | Verdantas LLC | — | Jan-Apr17 |
| Matthew Forney | Verdantas LLC | — | Jan-Apr17 |
| Waste Management of Ohio, Inc. | — | Jan-Apr17 |
| Kathryn A Trent | Waste Management of Ohio, Inc. | — | Jan-Apr17 |
| Richard A Ayish | Waste Management of Ohio, Inc. | — | Jan-Apr17 |