| Kellie Paschke | Alamo Rent A Car | Undecided | GA88 |
| Troy Skinner | Alamo Rent A Car | Undecided | GA88 |
| Scott Newhard | Associated General Contractors of Iowa | Undecided | GA88 |
| Jim Obradovich | Automotive Recyclers Association | Opposing | GA88 |
| Pete McRoberts | Automotive Recyclers Association | Opposing | GA88 |
| Robert Mulqueen | Automotive Recyclers Association | Opposing | GA88 |
| Kellie Paschke | Enterprise Rent-A-Car | Undecided | GA88 |
| Troy Skinner | Enterprise Rent-A-Car | Undecided | GA88 |
| Maddie Wilcox | Grow Clinton County | Undecided | GA88 |
| Threase Harms | Grow Clinton County | Undecided | GA88 |
| Doug Struyk | Insurance Auto Auctions, Inc. | Undecided | GA88 |
| Jennifer Dorman | Insurance Auto Auctions, Inc. | Undecided | GA88 |
| Jim Carney | Insurance Auto Auctions, Inc. | Undecided | GA88 |
| Brad Epperly | Iowa Automobile Dealers Association | Opposing | GA88 |
| Dustin Miller | Iowa Automobile Dealers Association | Opposing | GA88 |
| Katie Graham | Iowa Automobile Dealers Association | Opposing | GA88 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Opposing | GA88 |
| James Piazza, Jr. | Iowa Independent Automobile Dealers Association | Undecided | GA88 |
| Joe Kelly | Iowa Manufactured Housing Association | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA88 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA88 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA88 |
| William Peterson | Iowa State Association of Counties | Supporting | GA88 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Jarret Heil | Iowa State County Treasurers Association | Supporting | GA88 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA88 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA88 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA88 |
| Kellie Paschke | National Rent A Car | Undecided | GA88 |
| Troy Skinner | National Rent A Car | Undecided | GA88 |
| Gary Grant | Urban County Coalition | Undecided | GA88 |
| Larry Murphy | Urban County Coalition | Undecided | GA88 |
| Meghan Malloy | Urban County Coalition | Undecided | GA88 |