| Bowling Centers Association of Ohio | — | May-Aug13 |
| David P Corey | Bowling Centers Association of Ohio | — | Jan-Apr13 |
| Cincinnati USA Regional Chamber | — | May-Aug17 |
| Jason Kershner | Cincinnati USA Regional Chamber | — | Jan-Apr17 |
| William L Byers, IV | Coalition for Redistricting Reform | — | Jan-Apr18 |
| Coalition of Ohio Regional Districts | — | Sep-Dec15 |
| Andrew Huffman | Coalition of Ohio Regional Districts | — | Sep-Dec15 |
| Brooke A Cheney | Coalition of Ohio Regional Districts | — | Sep-Dec15 |
| Kelly C O'Reilly | Coalition of Ohio Regional Districts | — | Sep-Dec15 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | Sep-Dec15 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | Sep-Dec15 |
| County Commissioners' Association of Ohio | — | Jan-Apr13 |
| Brian Mead | County Commissioners' Association of Ohio | — | May-Aug15 |
| Larry L Long | County Commissioners' Association of Ohio | — | Jan-Apr13 |
| Bradley Bales | Governor's Office | — | Jan-Apr20 |
| Greater Cleveland Partnership | — | Sep-Dec17 |
| Martin R McGann | Greater Cleveland Partnership | — | Sep-Dec17 |
| Hunger Network in Ohio | — | Jan-Apr20 |
| Nick Bates | Hunger Network in Ohio | — | Jan-Apr20 |
| Northeast Ohio Regional Sewer District | — | Sep-Dec15 |
| Darnella Robertson | Northeast Ohio Regional Sewer District | — | Sep-Dec15 |
| Karen A Cincione | Northeast Ohio Regional Sewer District | — | Sep-Dec15 |
| Leah Pappas Porner | Ohio Apartment Association | — | May-Aug09 |
| Ohio Casino Control Commission | — | May-Aug13 |
| Laura Battocletti | Ohio Casino Control Commission | — | Jan-Apr13 |
| Matthew Schuler | Ohio Casino Control Commission | — | Jan-Apr13 |
| Michelle Siba | Ohio Casino Control Commission | — | May-Aug13 |
| Ohio Chamber of Commerce | — | Jan-Apr20 |
| Tony Long | Ohio Chamber of Commerce | — | Jan-Apr20 |
| Ohio Coin Machine Association | — | Jan-Apr13 |
| David P Corey | Ohio Coin Machine Association | — | Jan-Apr13 |
| Ohio Department of Natural Resources | — | Sep-Dec21 |
| Brittney Colvin | Ohio Department of Natural Resources | — | May-Aug22 |
| Danielle Vandegriff | Ohio Department of Natural Resources | — | Sep-Dec21 |
| Katie Hegarty | Ohio Department of Natural Resources | — | May-Aug22 |
| Nathan Moffitt | Ohio Department of Natural Resources | — | Sep-Dec21 |
| Ryan Frazee | Ohio Department of Natural Resources | — | Sep-Dec21 |
| Ohio Environmental Protection Agency | — | Jan-Apr16 |
| Craig Butler | Ohio Environmental Protection Agency | — | Jan-Apr16 |
| Danielle Giannantonio | Ohio Environmental Protection Agency | — | Jan-Apr16 |
| Greg Vergamini | Ohio Environmental Protection Agency | — | Jan-Apr16 |
| Ohio Farm Bureau Federation, Inc. | — | Sep-Dec21 |
| Adam Sharp | Ohio Farm Bureau Federation, Inc. | — | Sep-Dec21 |
| Anthony Seegers | Ohio Farm Bureau Federation, Inc. | — | Sep-Dec15 |
| 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 |
| Yvonne C Lesicko | Ohio Farm Bureau Federation, Inc. | — | Sep-Dec15 |
| Brooke A Cheney | Ohio Housing Council | — | Jan-Apr09 |
| Kelly C O'Reilly | Ohio Housing Council | — | Jan-Apr09 |
| Matthew S Whitehead | Ohio Housing Council | — | Jan-Apr09 |
| Victor F Hipsley | Ohio Housing Council | — | Jan-Apr09 |
| Andrea Reichman | Ohio Manufactured Homes Association (OMHA) | — | May-Aug10 |
| Brooke A Cheney | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr09 |
| Kelly C O'Reilly | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr09 |
| Matthew S Whitehead | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr10 |
| Victor F Hipsley | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr09 |
| Ohio Public Works Commission | — | May-Aug15 |
| Michael Miller | Ohio Public Works Commission | — | May-Aug15 |
| Ohio Real Estate Investors Association | — | May-Aug09 |
| Brooke A Cheney | Ohio Real Estate Investors Association | — | Jan-Apr09 |
| Kelly C O'Reilly | Ohio Real Estate Investors Association | — | Jan-Apr09 |
| Matthew S Whitehead | Ohio Real Estate Investors Association | — | Jan-Apr09 |
| Victor F Hipsley | Ohio Real Estate Investors Association | — | Jan-Apr09 |
| Ohio Rural Water Association | — | Sep-Dec15 |
| Andrew Huffman | Ohio Rural Water Association | — | Sep-Dec15 |
| Brooke A Cheney | Ohio Rural Water Association | — | Sep-Dec15 |
| Kelly C O'Reilly | Ohio Rural Water Association | — | Sep-Dec15 |
| Matthew S Whitehead | Ohio Rural Water Association | — | Sep-Dec15 |
| Victor F Hipsley | Ohio Rural Water Association | — | Sep-Dec15 |
| Ohio Society of Certified Public Accountants | — | Sep-Dec19 |
| Barbara J Benton | Ohio Society of Certified Public Accountants | — | Sep-Dec19 |
| Gregory Saul | Ohio Society of Certified Public Accountants | — | Sep-Dec19 |
| Ohio Society of Professional Engineers | — | Jan-Apr16 |
| Holly Flanigan | Ohio Society of Professional Engineers | — | Jan-Apr16 |
| Nick Bates | One Ohio Now | — | Jan-Apr20 |
| Policy Matters Ohio | — | Sep-Dec19 |
| Peter Zachary Schiller | Policy Matters Ohio | — | Sep-Dec19 |
| Secretary of State | — | Sep-Dec11 |
| Christine Morrison | Secretary of State | — | Sep-Dec11 |
| Emily Groseclose | Secretary of State | — | Jan-Apr17 |
| P. Craig Forbes | Secretary of State | — | Jan-Apr17 |
| Stephanie Ranade Krider | Secretary of State | — | Jan-Apr17 |
| The Ohio State University | — | May-Aug15 |
| Brian Perera | The Ohio State University | — | May-Aug15 |
| Whitetail Deer Farmers of Ohio | — | Sep-Dec21 |
| Jenna Reese | Whitetail Deer Farmers of Ohio | — | Sep-Dec21 |