| Kate Walton | City of Bettendorf | Undecided | GA89 |
| Madeleine Bradley | City of Bettendorf | Undecided | GA89 |
| Matt Eide | City of Bettendorf | Undecided | GA89 |
| Gary Grant | City of Cedar Rapids | Undecided | GA89 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA89 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA89 |
| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA89 |
| Robert Mulqueen | Conservation Districts of Iowa | Undecided | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA89 |
| Lyle Brehm | Iowa County Engineers Association | Undecided | GA89 |
| Nick Laning | Iowa Emergency Management Association | Undecided | GA89 |
| Threase Harms | Iowa Emergency Management Association | Undecided | GA89 |
| Chip Baltimore | Iowa Environmental Council | Supporting | GA89 |
| Blake DeRouchey | Iowa Homeland Security & Emergency Management Div. | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA89 |
| William Peterson | Iowa State Association of Counties | Supporting | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Supporting | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Supporting | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Supporting | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Supporting | GA89 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA89 |
| Jim Carney | Iowa State Bar Association | Undecided | GA89 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA89 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA89 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA89 |
| Logan Murray | Marion County Board of Supervisors | Undecided | GA89 |
| Troy Skinner | Marion County Board of Supervisors | Undecided | GA89 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Gary Grant | Urban County Coalition | Undecided | GA89 |
| Larry Murphy | Urban County Coalition | Undecided | GA89 |
| Meghan Malloy | Urban County Coalition | Undecided | GA89 |
| Brad Epperly | res | Undecided | GA89 |
| Dustin Miller | res | Undecided | GA89 |