| Morgan Fritz | 3M Company and its affiliates | Undecided | GA89 |
| Robert Weiser | 3M Company and its affiliates | Undecided | GA89 |
| Brad Epperly | Iowa Automobile Dealers Association | Supporting | GA89 |
| Bruce Anderson | Iowa Automobile Dealers Association | Supporting | GA89 |
| Dustin Miller | Iowa Automobile Dealers Association | Supporting | GA89 |
| Sarah Jennings | Iowa Dept. of Public Safety | Undecided | GA89 |
| Susan Fenton | Iowa Dept. of Transportation | Undecided | GA89 |
| James Piazza, Jr. | Iowa Independent Automobile Dealers Association | Undecided | GA89 |
| James Piazza, Jr. | Iowa Independent Automobile Dealers Association | Opposing | GA89 |
| Kellie Paschke | Iowa Peace Officers Association | Undecided | GA89 |
| Kelly Meyers | Iowa Peace Officers Association | Undecided | GA89 |
| Logan Murray | Iowa Peace Officers Association | Undecided | GA89 |
| Troy Skinner | Iowa Peace Officers Association | Undecided | GA89 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA89 |
| Meghan Malloy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA89 |
| William Peterson | Iowa State Association of Counties | Undecided | GA89 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA89 |
| Jim Carney | Iowa State Bar Association | Undecided | GA89 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Opposing | GA89 |
| Tony Phillips | Iowa State Sheriffs' & Deputies' Association | Opposing | GA89 |
| Kate Walton | Uber Technologies | Undecided | GA89 |
| Madeleine Bradley | Uber Technologies | Undecided | GA89 |
| Matt Eide | Uber Technologies | Undecided | GA89 |