| Drew Klein | Americans For Prosperity | Supporting | GA89 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA89 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA89 |
| Mike Heller | Iowa Academy of Trial Lawyers | Opposing | GA89 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA89 |
| Brad Lint | Iowa Association for Justice | Opposing | GA89 |
| Lisa Davis-Cook | Iowa Association for Justice | Opposing | GA89 |
| Mike Heller | Iowa Association of Magistrate Judges | Undecided | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA89 |
| Brad Epperly | Iowa Defense Counsel Association | Opposing | GA89 |
| Brad Epperly | Iowa Defense Counsel Association | Undecided | GA89 |
| Dustin Miller | Iowa Defense Counsel Association | Opposing | GA89 |
| Dustin Miller | Iowa Defense Counsel Association | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA89 |
| Amber Shanahan-Fricke | Iowa Judicial Branch - Supreme Court | Opposing | GA89 |
| Caitlin Jarzen | Iowa Judicial Branch - Supreme Court | Opposing | GA89 |
| Molly Kottmeyer | Iowa Judicial Branch - Supreme Court | Opposing | GA89 |
| Robert Gast | Iowa Judicial Branch - Supreme Court | Opposing | GA89 |
| Doug Struyk | Iowa State Bar Association | Opposing | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Opposing | GA89 |
| Jim Carney | Iowa State Bar Association | Opposing | GA89 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA89 |
| Morgan Miller | Iowa State Education Association | Opposing | GA89 |
| Kellie Paschke | Justice Not Politics | Opposing | GA89 |
| Kelly Meyers | Justice Not Politics | Opposing | GA89 |
| Logan Murray | Justice Not Politics | Opposing | GA89 |
| Troy Skinner | Justice Not Politics | Opposing | GA89 |
| David Walker | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Opposing | GA89 |
| Bill Gustoff | Personal Interest -Bill Gustoff | Undecided | GA89 |
| Bill Gustoff | Personal Interest -Bill Gustoff | Supporting | GA89 |
| Chuck Hurley | The Family Leader | Supporting | GA89 |
| Daniel Sunne | The Family Leader | Supporting | GA89 |
| Danny Carroll | The Family Leader | Supporting | GA89 |
| Rebekah Oleson | The Family Leader | Supporting | GA89 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA89 |
| Daniel Sunne | The Family Leader Foundation | Supporting | GA89 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA89 |
| Rebekah Oleson | The Family Leader Foundation | Supporting | GA89 |