| ACT Ohio | — | Jan-Apr21 |
| Matthew Szollosi | ACT Ohio | — | Jan-Apr21 |
| American Council of Engineering Companies of Ohio | — | Sep-Dec22 |
| Elizabeth Easterday-Futryk | American Council of Engineering Companies of Ohio | — | Sep-Dec22 |
| Kevin L Futryk | American Council of Engineering Companies of Ohio | — | Sep-Dec21 |
| Associated Builders and Contractors of Ohio | — | May-Aug21 |
| Beth Lear | Associated Builders and Contractors of Ohio | — | Jan-Apr21 |
| Associated General Contractors of Ohio | — | Jan-Apr21 |
| Andrea Maclam Ashley | Associated General Contractors of Ohio | — | Jan-Apr21 |
| Attorney General's Office | — | May-Aug21 |
| Andrew Hopkins | Attorney General's Office | — | May-Aug21 |
| City of Toledo | — | Jan-Apr21 |
| Andrew W Herf | City of Toledo | — | Jan-Apr21 |
| Coalition of Ohio Regional Districts | — | May-Aug21 |
| Andrew Huffman | Coalition of Ohio Regional Districts | — | May-Aug21 |
| Brooke A Cheney | Coalition of Ohio Regional Districts | — | May-Aug21 |
| Kelsey Woolard | Coalition of Ohio Regional Districts | — | May-Aug21 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | May-Aug21 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | May-Aug21 |
| County Commissioners' Association of Ohio | — | Jan-Apr21 |
| Cheryl L Subler | County Commissioners' Association of Ohio | — | Jan-Apr21 |
| John R Leutz | County Commissioners' Association of Ohio | — | May-Aug21 |
| Jon P Honeck | County Commissioners' Association of Ohio | — | Jan-Apr22 |
| Gilead Sciences, Inc. | — | Sep-Dec22 |
| Gordian | — | May-Aug21 |
| David Koren | Gordian | — | May-Aug21 |
| Greater Cleveland Chapter, NECA | — | Jan-Apr21 |
| Aaron M Ockerman | Greater Cleveland Chapter, NECA | — | Jan-Apr21 |
| David A Battocletti | Greater Cleveland Chapter, NECA | — | Jan-Apr21 |
| International Union of Operating Engineers Local 18 | — | Jan-Apr21 |
| Mark A Totman | International Union of Operating Engineers Local 18 | — | Jan-Apr21 |
| Mechanical Contractors Association of Ohio | — | May-Aug21 |
| Joshua Sanders | Mechanical Contractors Association of Ohio | — | May-Aug21 |
| Leah Pappas Porner | Mechanical Contractors Association of Ohio | — | May-Aug21 |
| Northeast Ohio Regional Sewer District | — | May-Aug21 |
| Andrew Huffman | Northeast Ohio Regional Sewer District | — | May-Aug21 |
| Brooke A Cheney | Northeast Ohio Regional Sewer District | — | May-Aug21 |
| Kelsey Woolard | Northeast Ohio Regional Sewer District | — | May-Aug21 |
| Matthew S Whitehead | Northeast Ohio Regional Sewer District | — | May-Aug21 |
| Victor F Hipsley | Northeast Ohio Regional Sewer District | — | May-Aug21 |
| Ohio Association of School Business Officials | — | Jan-Apr21 |
| James Rowan | Ohio Association of School Business Officials | — | Jan-Apr21 |
| Katie Johnson | Ohio Association of School Business Officials | — | Jan-Apr21 |
| Ohio Contractors Association | — | Jan-Apr21 |
| Michelle R Holdgreve | Ohio Contractors Association | — | Jan-Apr21 |
| Ohio Facilities Construction Commission | — | Jan-Apr21 |
| Jon Walden | Ohio Facilities Construction Commission | — | Jan-Apr21 |
| Andrew W Herf | Ohio Ironworker Association | — | Jan-Apr21 |
| Joseph Hollabaugh | Ohio Ironworker Association | — | Jan-Apr21 |
| Ohio Library Council | — | Jan-Apr21 |
| F Michelle Francis | Ohio Library Council | — | Jan-Apr21 |
| Jay Smith | Ohio Library Council | — | Jan-Apr21 |
| Ohio Municipal League | — | Jan-Apr21 |
| Ashley Ringle | Ohio Municipal League | — | May-Aug21 |
| Edward L Albright | Ohio Municipal League | — | Jan-Apr21 |
| Ohio Rural Development Alliance | — | May-Aug21 |
| Brock Miskimen | Ohio Rural Development Alliance | — | May-Aug21 |
| Christopher N Slagle | Ohio Rural Development Alliance | — | May-Aug21 |
| Gregory J Lestini | Ohio Rural Development Alliance | — | May-Aug21 |
| Matt Koppitch | Ohio Rural Development Alliance | — | May-Aug21 |
| Rachael Guastella | Ohio Rural Development Alliance | — | May-Aug21 |
| Ohio Rural Water Association | — | May-Aug21 |
| Andrew Huffman | Ohio Rural Water Association | — | May-Aug21 |
| Brooke A Cheney | Ohio Rural Water Association | — | May-Aug21 |
| Kelsey Woolard | Ohio Rural Water Association | — | May-Aug21 |
| Matthew S Whitehead | Ohio Rural Water Association | — | May-Aug21 |
| Victor F Hipsley | Ohio Rural Water Association | — | May-Aug21 |
| Ohio School Boards Association | — | May-Aug21 |
| Jennifer Hogue | Ohio School Boards Association | — | May-Aug21 |
| Nicole Piscitani | Ohio School Boards Association | — | May-Aug21 |
| William Schwartz | Ohio School Boards Association | — | May-Aug21 |
| Ohio Township Association | — | Jan-Apr21 |
| Andrew Huffman | Ohio Township Association | — | Jan-Apr21 |
| Brooke A Cheney | Ohio Township Association | — | Jan-Apr21 |
| Heidi M Fought | Ohio Township Association | — | Jan-Apr21 |
| Kelsey Woolard | Ohio Township Association | — | Jan-Apr21 |
| Marisa Myers | Ohio Township Association | — | Jan-Apr21 |
| Matthew S Whitehead | Ohio Township Association | — | Jan-Apr21 |
| Victor F Hipsley | Ohio Township Association | — | Jan-Apr21 |
| Plug Smart | — | Jan-Apr21 |
| C David Paragas | Plug Smart | — | Jan-Apr21 |
| Kevin Stanek | Plug Smart | — | Jan-Apr21 |
| Sourcewell | — | Jan-Apr21 |
| Thomas F Needles | Sourcewell | — | May-Aug21 |
| The Garland Company | — | May-Aug21 |
| Jeffrey T DeLeone | The Garland Company | — | May-Aug21 |
| The MetroHealth System | — | May-Aug21 |
| David Greenspan | The MetroHealth System | — | May-Aug21 |