| Mike St. Clair | American Property Casualty Insurance Association (APCIA) | Undecided | GA89 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | 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 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA89 |
| Michael Triplett | Cyber Research and Analytics Foundation | Supporting | GA89 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA89 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA89 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA89 |
| Kate Walton | Grow Clinton County | Undecided | GA89 |
| Madeleine Bradley | Grow Clinton County | Undecided | GA89 |
| Matt Eide | Grow Clinton County | Undecided | GA89 |
| Alex Cutchey | Iowa Association of Municipal Utilities | Undecided | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA89 |
| Mike St. Clair | Iowa Communications Alliance | Undecided | GA89 |
| Ryan Mulhall | Iowa Communications Network ICN/ITTC | Undecided | GA89 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Opposing | GA89 |
| Matt Gronewald | Iowa Farm Bureau Federation | Opposing | GA89 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Opposing | GA89 |
| Alan Kemp | Iowa League of Cities | Supporting | GA89 |
| Daniel Stalder | Iowa League of Cities | Supporting | GA89 |
| Robert Palmer | Iowa League of Cities | Supporting | 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 | Supporting | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Supporting | GA89 |
| Jim Carney | Iowa State Bar Association | Supporting | 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 |
| Andy Conlin | Lumen | Undecided | GA89 |
| Jake Highfill | Lumen | Undecided | GA89 |
| Taylor Teepell | Lumen | 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 | Polk County - Board of Supervisors | Supporting | GA89 |
| Craig Patterson | Polk County - Board of Supervisors | Supporting | GA89 |
| Gary Grant | Urban County Coalition | Undecided | GA89 |
| Larry Murphy | Urban County Coalition | Undecided | GA89 |
| Meghan Malloy | Urban County Coalition | Undecided | GA89 |