| Brad Epperly | Ames Chamber of Commerce | Undecided | GA89 |
| Dustin Miller | Ames Chamber of Commerce | Undecided | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA89 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA89 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA89 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA89 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Undecided | GA89 |
| Mike Heller | Iowa Academy of Trial Lawyers | Opposing | GA89 |
| Mike Heller | Iowa Academy of Trial Lawyers | Supporting | GA89 |
| Mike Heller | Iowa Association of Magistrate Judges | Supporting | GA89 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA89 |
| Meghan Malloy | Iowa Catholic Conference | Undecided | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA89 |
| Brad Epperly | Iowa Defense Counsel Association | Undecided | GA89 |
| Dustin Miller | Iowa Defense Counsel Association | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Undecided | GA89 |
| BRITTANY LUMLEY | Iowa Judges Association | Supporting | GA89 |
| Jeffrey Boeyink | Iowa Judges Association | Supporting | GA89 |
| Taylor McDonald | Iowa Judges Association | Supporting | GA89 |
| Amber Shanahan-Fricke | Iowa Judicial Branch - Supreme Court | Supporting | GA89 |
| Caitlin Jarzen | Iowa Judicial Branch - Supreme Court | Supporting | GA89 |
| Molly Kottmeyer | Iowa Judicial Branch - Supreme Court | Supporting | GA89 |
| Robert Gast | Iowa Judicial Branch - Supreme Court | Supporting | GA89 |
| Leslie Carpenter | Iowa Mental Health Advocacy | Supporting | GA89 |
| Leslie Carpenter | Iowa Mental Health Advocacy | Undecided | GA89 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA89 |
| Meghan Malloy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA89 |
| William Peterson | Iowa State Association of Counties | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA89 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA89 |
| Jim Carney | Iowa State Bar Association | Undecided | GA89 |
| Amy Campbell | Polk County - Board of Supervisors | Undecided | GA89 |
| Craig Patterson | Polk County - Board of Supervisors | Undecided | GA89 |
| Brad Epperly | Quad Cities Chamber of Commerce | Undecided | GA89 |
| Dustin Miller | Quad Cities Chamber of Commerce | Undecided | GA89 |
| Chuck Hurley | The Family Leader | Undecided | GA89 |
| Daniel Sunne | The Family Leader | Undecided | GA89 |
| Danny Carroll | The Family Leader | Undecided | GA89 |
| Rebekah Oleson | The Family Leader | Undecided | GA89 |
| Chuck Hurley | The Family Leader Foundation | Undecided | GA89 |
| Daniel Sunne | The Family Leader Foundation | Undecided | GA89 |
| Danny Carroll | The Family Leader Foundation | Undecided | GA89 |
| Rebekah Oleson | The Family Leader Foundation | Undecided | GA89 |