| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| Eric Goranson | Iowa Emergency Medical Services Association | Undecided | GA91 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Undecided | GA91 |
| Matt Gronewald | Iowa Farm Bureau Federation | Undecided | GA91 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Undecided | GA91 |
| Teresa Bomhoff | Iowa Integrated Health Planning and Advisory Council | Supporting | GA91 |
| Chelsea Hoye | Iowa League of Cities | Supporting | GA91 |
| Cody Carlson | Iowa League of Cities | Supporting | GA91 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Supporting | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA91 |
| Andrea Woodard | Iowa State Association of County Supervisors | Supporting | GA91 |
| Jamie Cashman | Iowa State Association of County Supervisors | Supporting | GA91 |
| Lucas Beenken | Iowa State Association of County Supervisors | Supporting | GA91 |
| Nate Ristow | Iowa Taxpayers Association | Undecided | GA91 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA91 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA91 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA91 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA91 |