| Andrew Mertens | Iowa Association for Justice | Undecided | GA90 |
| Lisa Davis-Cook | Iowa Association for Justice | Undecided | GA90 |
| Richard Rogers | Iowa Firearms Coalition, Inc. | Supporting | GA90 |
| Amber Shanahan-Fricke | Iowa Judicial Branch - Supreme Court | Undecided | GA90 |
| Caitlin Jarzen | Iowa Judicial Branch - Supreme Court | Undecided | GA90 |
| Megan Tooker | Iowa Judicial Branch - Supreme Court | Undecided | GA90 |
| Leslie Carpenter | Iowa Mental Health Advocacy | Supporting | 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 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA90 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA90 |
| Jim Carney | Iowa State Bar Association | Undecided | GA90 |
| Trey Jackson | March For Our Lives Iowa | Undecided | GA90 |
| Trey Jackson | March For Our Lives Iowa | Opposing | GA90 |
| John Cacciatore | National Alliance on Mental Illness - Iowa | Supporting | GA90 |
| Lon Anderson | National Alliance on Mental Illness - Iowa | Supporting | GA90 |
| Nicholas Buggia | National Rifle Association of America | Supporting | GA90 |
| Christopher Lee | National Shooting Sports Foundation, Inc. | Undecided | GA90 |