| Aqua Ohio, Inc | — | Sep-Dec11 |
| Denise M Larr | Aqua Ohio, Inc | — | Sep-Dec11 |
| William Fitzgibbon | Aqua Ohio, Inc | — | Sep-Dec11 |
| CSX Transportation | — | Sep-Dec12 |
| Aaron M Ockerman | CSX Transportation | — | Sep-Dec12 |
| Rusty Orben | CSX Transportation | — | Sep-Dec12 |
| City of Cincinnati | — | Sep-Dec11 |
| Charles H Gerhardt, III | City of Cincinnati | — | Sep-Dec11 |
| James T Benedict | City of Cincinnati | — | Sep-Dec11 |
| Brooke A Cheney | Coalition for Fiscal Fairness in Ohio | — | May-Aug12 |
| Coalition of Ohio Regional Districts | — | Sep-Dec11 |
| Andrew Huffman | Coalition of Ohio Regional Districts | — | Sep-Dec11 |
| Brooke A Cheney | Coalition of Ohio Regional Districts | — | Sep-Dec11 |
| Kelly C O'Reilly | Coalition of Ohio Regional Districts | — | Sep-Dec11 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | Sep-Dec11 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | Sep-Dec11 |
| County Commissioners' Association of Ohio | — | Sep-Dec11 |
| Cheryl L Subler | County Commissioners' Association of Ohio | — | Sep-Dec11 |
| Joshua Hahn | County Commissioners' Association of Ohio | — | Sep-Dec11 |
| Larry L Long | County Commissioners' Association of Ohio | — | May-Aug12 |
| Department of Health | — | Sep-Dec11 |
| Erika Cybulskis | Department of Health | — | Sep-Dec11 |
| Jessica Crews | Department of Health | — | Sep-Dec11 |
| Kate Philips | Department of Health | — | May-Aug12 |
| Melissa Bacon | Department of Health | — | Sep-Dec12 |
| Steve Wermuth | Department of Health | — | Sep-Dec11 |
| Theodore E. Wymyslo | Department of Health | — | Sep-Dec11 |
| Exelon Generation Company, LLC | — | Sep-Dec12 |
| Bridget E McAuliffe | Exelon Generation Company, LLC | — | Sep-Dec12 |
| C David Paragas | Exelon Generation Company, LLC | — | Sep-Dec12 |
| Charles J Luken | FirstEnergy | — | Sep-Dec12 |
| Joshua Sanders | FirstEnergy | — | Sep-Dec12 |
| Leah Pappas Porner | FirstEnergy | — | Sep-Dec12 |
| Governor's Office | — | Sep-Dec11 |
| Benjamin Kanzeg | Governor's Office | — | Sep-Dec11 |
| Beth Hansen | Governor's Office | — | Sep-Dec11 |
| Brad Barger | Governor's Office | — | Sep-Dec11 |
| Craig Butler | Governor's Office | — | Jan-Apr12 |
| Jai Chabria | Governor's Office | — | May-Aug12 |
| James W. Sheppard, III | Governor's Office | — | Sep-Dec11 |
| Jeff Polesovsky | Governor's Office | — | May-Aug12 |
| Kimberly Kutschbach | Governor's Office | — | May-Aug12 |
| Matt Carle | Governor's Office | — | Sep-Dec11 |
| Melissa Bacon | Governor's Office | — | Sep-Dec11 |
| Scott Blake | Governor's Office | — | Jan-Apr12 |
| Wayne Struble | Governor's Office | — | Sep-Dec11 |
| Mid-Ohio Regional Planning Commission (MORPC) | — | Jan-Apr12 |
| Chester R Jourdan, Jr | Mid-Ohio Regional Planning Commission (MORPC) | — | Jan-Apr12 |
| Laura Koprowski | Mid-Ohio Regional Planning Commission (MORPC) | — | Jan-Apr12 |
| National Association of Water Companies, Ohio Chapter | — | Sep-Dec11 |
| Denise M Larr | National Association of Water Companies, Ohio Chapter | — | Sep-Dec11 |
| William Fitzgibbon | National Association of Water Companies, Ohio Chapter | — | Sep-Dec11 |
| Northeast Ohio Regional Sewer District | — | Sep-Dec12 |
| Frederick E Mills | Northeast Ohio Regional Sewer District | — | Sep-Dec12 |
| Karen A Cincione | Northeast Ohio Regional Sewer District | — | Sep-Dec12 |
| Ohio Chamber of Commerce | — | Sep-Dec11 |
| Charlotte B Hickcox | Ohio Chamber of Commerce | — | Sep-Dec11 |
| Ohio Consumers' Counsel | — | Sep-Dec11 |
| Amy Kurt | Ohio Consumers' Counsel | — | Sep-Dec11 |
| Bruce Weston | Ohio Consumers' Counsel | — | Sep-Dec11 |
| Christopher F Verich | Ohio Consumers' Counsel | — | Sep-Dec11 |
| Ohio Environmental Council | — | Sep-Dec12 |
| Brian Kaiser | Ohio Environmental Council | — | Sep-Dec12 |
| Jack Shaner | Ohio Environmental Council | — | Sep-Dec12 |
| Nolan Moser | Ohio Environmental Council | — | Sep-Dec12 |
| Trish Demeter | Ohio Environmental Council | — | Sep-Dec12 |
| Ohio Environmental Protection Agency | — | Sep-Dec12 |
| Annie van Blaricom | Ohio Environmental Protection Agency | — | Sep-Dec12 |
| Tracy S Freeman | Ohio Environmental Protection Agency | — | Sep-Dec12 |
| Ohio Ethanol Producers Association | — | Sep-Dec12 |
| Darrin A Klinger | Ohio Ethanol Producers Association | — | Sep-Dec12 |
| Judd Templin | Ohio Ethanol Producers Association | — | Sep-Dec12 |
| Ohio Home Builders Association, Inc | — | Sep-Dec11 |
| Robert N Eshenbaugh, Jr | Ohio Home Builders Association, Inc | — | Sep-Dec11 |
| Vincent J Squillace | Ohio Home Builders Association, Inc | — | Sep-Dec11 |
| Ohio League of Conservation Voters | — | Sep-Dec12 |
| Aaron M Ockerman | Ohio League of Conservation Voters | — | Sep-Dec12 |
| Eric L Burkland | Ohio Manufacturers' Association | — | Sep-Dec12 |
| Robert Brundrett | Ohio Manufacturers' Association | — | Sep-Dec12 |
| Ryan R Augsburger | Ohio Manufacturers' Association | — | Sep-Dec12 |
| Ohio Municipal Electric Association | — | Sep-Dec12 |
| Courtney Saunders | Ohio Municipal Electric Association | — | Sep-Dec12 |
| Daniel P Leite | Ohio Municipal Electric Association | — | Sep-Dec12 |
| John W Bentine | Ohio Municipal Electric Association | — | Sep-Dec12 |
| Jolene M Thompson | Ohio Municipal Electric Association | — | Sep-Dec12 |
| Keith H Brooks | Ohio Municipal Electric Association | — | Sep-Dec12 |
| Kurt L Leib | Ohio Municipal Electric Association | — | Sep-Dec12 |
| Michael A Beirne | Ohio Municipal Electric Association | — | Sep-Dec12 |
| Ohio Railroad Association | — | Sep-Dec12 |
| Art Arnold | Ohio Railroad Association | — | Sep-Dec12 |
| Ohio Real Estate Investors Association | — | Sep-Dec11 |
| Andrew Huffman | Ohio Real Estate Investors Association | — | Sep-Dec11 |
| Brooke A Cheney | Ohio Real Estate Investors Association | — | Sep-Dec11 |
| Kelly C O'Reilly | Ohio Real Estate Investors Association | — | Sep-Dec11 |
| Matthew S Whitehead | Ohio Real Estate Investors Association | — | Sep-Dec11 |
| Victor F Hipsley | Ohio Real Estate Investors Association | — | Sep-Dec11 |
| Ohio Right to Life | — | Jan-Apr12 |
| Ohio Township Association | — | Sep-Dec12 |
| Andrew Huffman | Ohio Township Association | — | Sep-Dec12 |
| Brooke A Cheney | Ohio Township Association | — | Sep-Dec12 |
| Kelly C O'Reilly | Ohio Township Association | — | Sep-Dec12 |
| Matthew DeTemple | Ohio Township Association | — | Sep-Dec12 |
| Matthew S Whitehead | Ohio Township Association | — | Sep-Dec12 |
| Victor F Hipsley | Ohio Township Association | — | Sep-Dec12 |
| Perry Township, Franklin County Ohio | — | Jan-Apr12 |
| Richard A Oxender | Perry Township, Franklin County Ohio | — | Jan-Apr12 |
| Public Utilities Commission of Ohio | — | Sep-Dec11 |
| M Beth Trombold | Public Utilities Commission of Ohio | — | Sep-Dec11 |
| Michael Fraizer | Public Utilities Commission of Ohio | — | Sep-Dec11 |
| Shawn Nelson | Public Utilities Commission of Ohio | — | Sep-Dec11 |
| Todd Snitchler | Public Utilities Commission of Ohio | — | Sep-Dec11 |
| Timken Company | — | Sep-Dec11 |
| Robert J Lapp | Timken Company | — | Sep-Dec11 |
| Michelle M Fitzgibbon | Voices for Ohio's Children | — | Sep-Dec12 |