| Doug Struyk | Insurance Auto Auctions, Inc. | Supporting | GA89 |
| Jennifer Dorman | Insurance Auto Auctions, Inc. | Supporting | GA89 |
| Jim Carney | Insurance Auto Auctions, Inc. | Supporting | GA89 |
| Brad Epperly | Iowa Automobile Dealers Association | Supporting | GA89 |
| Dustin Miller | Iowa Automobile Dealers Association | Supporting | GA89 |
| James Piazza, Jr. | Iowa Independent Automobile Dealers Association | Undecided | GA89 |
| Andy Conlin | Iowa Manufactured Housing Association | 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 |
| Jarret Heil | Iowa State County Treasurers Association | Supporting | GA89 |
| Michaela Bigaouette | Iowa State County Treasurers 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 |
| Kellie Paschke | Marion County Board of Supervisors | Supporting | GA89 |
| Kelly Meyers | Marion County Board of Supervisors | Supporting | GA89 |
| Logan Murray | Marion County Board of Supervisors | Supporting | GA89 |
| Troy Skinner | Marion 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 |