| David Adelman | Carvana | Undecided | GA90 |
| Frank Chiodo | Carvana | Undecided | GA90 |
| Matt Hinch | Carvana | Undecided | GA90 |
| Paige Thorson | Carvana | Undecided | GA90 |
| Sara Allen | Carvana | Undecided | GA90 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Sandra Conlin | General Motors LLC | Undecided | GA90 |
| Brad Epperly | Iowa Automobile Dealers Association | Supporting | GA90 |
| Bruce Anderson | Iowa Automobile Dealers Association | Supporting | GA90 |
| Casey Nickel | Iowa Automobile Dealers Association | Supporting | GA90 |
| Dustin Miller | Iowa Automobile Dealers Association | Supporting | GA90 |
| Susan Fenton | Iowa Dept. of Transportation | Undecided | GA90 |
| James Piazza, Jr. | Iowa Independent Automobile Dealers Association | Supporting | GA90 |
| Alyson DeMoss | Iowa Motorcycle Dealers Association | Supporting | GA90 |
| Alyson DeMoss | Iowa Motorcycle Dealers Association | Undecided | GA90 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA90 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA90 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA90 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA90 |
| William Peterson | Iowa State Association of Counties | Undecided | GA90 |
| Brenda Noteboom | Iowa State County Treasurers Association | Opposing | GA90 |
| Kris Rowley | Iowa State County Treasurers Association | Opposing | GA90 |
| Michaela Bigaouette | Iowa State County Treasurers Association | Opposing | GA90 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA90 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA90 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |