| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA85 |
| Jeneane Beck | Board of Regents, State of Iowa | Undecided | GA85 |
| Joe Murphy | Board of Regents, State of Iowa | Undecided | GA85 |
| Katie Mulholland | Board of Regents, State of Iowa | Undecided | GA85 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA85 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA85 |
| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA85 |
| Matt Ohloff | Food & Water Watch | Opposing | GA85 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Opposing | GA85 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA85 |
| Marty Ryan | Iowa Annual Conference of United Methodist Church | Opposing | GA85 |
| Marty Ryan | Iowa Annual Conference of United Methodist Church | Supporting | GA85 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Opposing | GA85 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA85 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Opposing | GA85 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Supporting | GA85 |
| William Steward | Iowa Annual Conference of United Methodist Church | Opposing | GA85 |
| William Steward | Iowa Annual Conference of United Methodist Church | Supporting | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Justine Stevenson | Iowa Cattlemen's Association | Undecided | GA85 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA85 |
| Lindsay Phillips | Iowa Cattlemen's Association | Undecided | GA85 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA85 |
| Neila Seaman | Iowa Chapter of Sierra Club | Opposing | GA85 |
| Evan Burger | Iowa Citizens for Community Improvement Action Fund | Opposing | GA85 |
| Jess Mazour | Iowa Citizens for Community Improvement Action Fund | Opposing | GA85 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA85 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA85 |
| Jim Obradovich | Iowa Environmental Council | Undecided | GA85 |
| Robert Mulqueen | Iowa Environmental Council | Undecided | GA85 |
| Courtney Willits | Iowa Rivers Revival | Undecided | GA85 |
| Kent Hartwig | Iowa Rivers Revival | Undecided | GA85 |
| Threase Harms | Iowa Rivers Revival | Undecided | GA85 |
| Brad Hudson | Iowa State Education Association | Supporting | GA85 |
| Melissa Peterson | Iowa State Education Association | Supporting | GA85 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA85 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA85 |