| Melissa Speed | AFSCME Iowa Council 61 | Supporting | GA89 |
| Drew Klein | Americans For Prosperity | Supporting | GA89 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA89 |
| Marcus Haack | Episcopal Diocese of Iowa | Supporting | GA89 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Supporting | GA89 |
| Patrick Purtill | Faith & Freedom Coalition | Supporting | GA89 |
| Dale Woolery | Governors Office of Drug Control Policy | Undecided | GA89 |
| Susie Sher | Governors Office of Drug Control Policy | Undecided | GA89 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA89 |
| Michael McCarthy | Iowa Alliance For Retired Americans | Supporting | GA89 |
| Brad Lint | Iowa Association for Justice | Supporting | GA89 |
| Lisa Davis-Cook | Iowa Association for Justice | Supporting | GA89 |
| Mike Heller | Iowa Association of Magistrate Judges | Undecided | GA89 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA89 |
| Meghan Malloy | Iowa Catholic Conference | Supporting | GA89 |
| Tom Chapman | Iowa Catholic Conference | Supporting | GA89 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Supporting | GA89 |
| Brian Carter | Iowa Conference of United Methodist Church | Supporting | GA89 |
| Gary Nims | Iowa Conference of United Methodist Church | Supporting | GA89 |
| Rita Carter | Iowa Conference of United Methodist Church | Supporting | GA89 |
| Kelly Meyers | Iowa County Attorneys Association | Opposing | GA89 |
| Nick Crawford | Iowa Dept. of Corrections | Undecided | GA89 |
| Sarah Jennings | Iowa Dept. of Public Safety | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Supporting | GA89 |
| Jon Murphy | Iowa Housing Trust Funds Advocates Network | Supporting | GA89 |
| Amber Shanahan-Fricke | Iowa Judicial Branch - Supreme Court | Undecided | GA89 |
| Caitlin Jarzen | Iowa Judicial Branch - Supreme Court | Undecided | GA89 |
| Molly Kottmeyer | Iowa Judicial Branch - Supreme Court | Undecided | GA89 |
| Robert Gast | Iowa Judicial Branch - Supreme Court | Undecided | GA89 |
| Karl Schilling | Iowa Organization for Victim Assistance | Opposing | 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 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA89 |
| Tony Phillips | Iowa State Sheriffs' & Deputies' Association | Undecided | GA89 |
| Tom Cope | Reform Action Fund | Supporting | GA89 |
| Tom Cope | Reform Action Fund | Withdrawn | GA89 |
| Karl Schilling | Soaring Hearts | Opposing | GA89 |
| Jim Romar | Teamsters Local 238 | Supporting | GA89 |
| Daniel Sunne | The Family Leader | Supporting | GA89 |
| Daniel Sunne | The Family Leader Foundation | Supporting | GA89 |
| Denise Bubeck | The Family Leader Foundation | Supporting | GA89 |
| Greg Baker | The Family Leader Foundation | Supporting | GA89 |
| Kelli Harrison | UAW Region 4 | Supporting | GA89 |