| Julie Smith | Coalition of Ignition Interlock Manufacturers | Supporting | GA90 |
| Matt McKinney | Coalition of Ignition Interlock Manufacturers | Supporting | GA90 |
| RG Schwarm | Coalition of Ignition Interlock Manufacturers | Supporting | GA90 |
| Julie Smith | Intoxalock | Supporting | GA90 |
| Matt McKinney | Intoxalock | Supporting | GA90 |
| RG Schwarm | Intoxalock | Supporting | GA90 |
| Brad Lint | Iowa Association for Justice | Opposing | GA90 |
| Lisa Davis-Cook | Iowa Association for Justice | Opposing | GA90 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA90 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA90 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA90 |
| Tom Ferguson | Iowa County Attorneys Association | Undecided | GA90 |
| Carrie Malone | Iowa Department of Health and Human Services | Undecided | GA90 |
| Dax Oberreuter | Iowa Department of Health and Human Services | Undecided | GA90 |
| Jancy Nielson | Iowa Department of Health and Human Services | Undecided | GA90 |
| Josie Wagler | Iowa Dept. of Public Safety | Undecided | GA90 |
| Susan Fenton | Iowa Dept. of Transportation | Undecided | GA90 |
| Kellie Paschke | Iowa Peace Officers Association | Undecided | GA90 |
| Kelly Meyers | Iowa Peace Officers Association | Undecided | GA90 |
| Troy Skinner | Iowa Peace Officers Association | Undecided | GA90 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA90 |
| Frank Harris | Mothers Against Drunk Driving | Supporting | GA90 |