| Kellie Paschke | Alamo Rent A Car | Undecided | GA90 |
| Kelly Meyers | Alamo Rent A Car | Undecided | GA90 |
| Troy Skinner | Alamo Rent A Car | Undecided | GA90 |
| Jon Murphy | City of Cedar Falls | Undecided | GA90 |
| Tom Cope | City of Cedar Falls | Undecided | GA90 |
| Jon Murphy | City of Coralville | Undecided | GA90 |
| Tom Cope | City of Coralville | Undecided | GA90 |
| Kellie Paschke | Enterprise Holdings d/b/a Enterprise Mobility | Undecided | GA90 |
| Kelly Meyers | Enterprise Holdings d/b/a Enterprise Mobility | Undecided | GA90 |
| Troy Skinner | Enterprise Holdings d/b/a Enterprise Mobility | Undecided | GA90 |
| Kelly Meyers | Iowa Association of Behavior Analysis | Withdrawn | GA90 |
| Kelly Meyers | Iowa Association of Behavior Analysis | Supporting | GA90 |
| Troy Skinner | Iowa Association of Behavior Analysis | Withdrawn | GA90 |
| Troy Skinner | Iowa Association of Behavior Analysis | Supporting | GA90 |
| Brad Epperly | Iowa Automobile Dealers Association | Supporting | GA90 |
| Bruce Anderson | 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 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA90 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA90 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA90 |
| William Peterson | Iowa State Association of Counties | Supporting | GA90 |
| Dustin Johnson | Iowa State County Treasurers Association | Supporting | GA90 |
| Kris Rowley | Iowa State County Treasurers Association | Supporting | GA90 |
| Michaela Bigaouette | Iowa State County Treasurers Association | Supporting | GA90 |
| Gary Grant | Linn County Board of Supervisors | Supporting | GA90 |
| Gary Grant | Linn County Board of Supervisors | Withdrawn | GA90 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Withdrawn | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA90 |
| Kellie Paschke | Marion County Board of Supervisors | Supporting | GA90 |
| Kelly Meyers | Marion County Board of Supervisors | Supporting | GA90 |
| Troy Skinner | Marion County Board of Supervisors | Supporting | GA90 |
| Kellie Paschke | National Rent A Car | Undecided | GA90 |
| Kelly Meyers | National Rent A Car | Undecided | GA90 |
| Troy Skinner | National Rent A Car | Undecided | GA90 |
| Sydney Gangestad | Polk County - Board of Supervisors | Undecided | GA90 |
| Tim Coonan | Polk County - Board of Supervisors | Undecided | GA90 |
| Gary Grant | Urban County Coalition | Supporting | GA90 |
| Gary Grant | Urban County Coalition | Withdrawn | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Supporting | GA90 |
| Larry Murphy | Urban County Coalition | Withdrawn | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |