| Melissa Speed | AFSCME Council 61 | Opposing | GA91 |
| Dustin Rush | Americans For Prosperity | Supporting | GA91 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA91 |
| Mike Heller | Iowa Academy of Trial Lawyers | Opposing | GA91 |
| Andrew Mertens | Iowa Association for Justice | Opposing | GA91 |
| Kellie Paschke | Iowa Association for Justice | Opposing | GA91 |
| Kelly Meyers | Iowa Association for Justice | Opposing | GA91 |
| Lisa Davis-Cook | Iowa Association for Justice | Opposing | GA91 |
| Mike Heller | Iowa Association of Magistrate Judges | Undecided | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA91 |
| Tom Ferguson | Iowa County Attorneys Association | Undecided | GA91 |
| Robert Palmer | Iowa Defense Counsel Association | Opposing | GA91 |
| Robert Palmer | Iowa Defense Counsel Association | Undecided | GA91 |
| Jeff Pitts | Iowa Faith and Freedom Coalition | Supporting | GA91 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA91 |
| Frederick Haskins | Iowa Insurance Associates | Opposing | GA91 |
| BRITTANY LUMLEY | Iowa Judges Association | Opposing | GA91 |
| BRITTANY LUMLEY | Iowa Judges Association | Undecided | GA91 |
| Courtney Craig | Iowa Judges Association | Opposing | GA91 |
| Courtney Craig | Iowa Judges Association | Undecided | GA91 |
| Elliott Meyer | Iowa Judges Association | Opposing | GA91 |
| Elliott Meyer | Iowa Judges Association | Undecided | GA91 |
| Jeffrey Boeyink | Iowa Judges Association | Opposing | GA91 |
| Jeffrey Boeyink | Iowa Judges Association | Undecided | GA91 |
| Amber Shanahan-Fricke | Iowa Judicial Branch - Supreme Court | Opposing | GA91 |
| Caitlin Jarzen | Iowa Judicial Branch - Supreme Court | Opposing | GA91 |
| Megan Tooker | Iowa Judicial Branch - Supreme Court | Opposing | GA91 |
| Clara Wulfsen | Iowa State Bar Association | Opposing | GA91 |
| Doug Struyk | Iowa State Bar Association | Opposing | GA91 |
| Jennifer Dorman | Iowa State Bar Association | Opposing | GA91 |
| Jim Carney | Iowa State Bar Association | Opposing | GA91 |
| Kellie Paschke | Justice Not Politics | Opposing | GA91 |
| Kelly Meyers | Justice Not Politics | Opposing | GA91 |
| Chuck Hurley | The Family Leader | Supporting | GA91 |
| Danny Carroll | The Family Leader | Supporting | GA91 |
| Josiah Oleson | The Family Leader | Supporting | GA91 |
| Ryan Benn | The Family Leader | Supporting | GA91 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA91 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA91 |
| Josiah Oleson | The Family Leader Foundation | Supporting | GA91 |
| Ryan Benn | The Family Leader Foundation | Supporting | GA91 |
| Karl Schilling | United Professionals/UE | Opposing | GA91 |
| John Strathman | VALOR Iowa | Supporting | GA91 |