| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Matthew Hickok | Families United Action Network (FUAN) | Supporting | GA89 |
| Nicholas Dreeszen | Families United Action Network (FUAN) | Supporting | GA89 |
| Rosanne Plante | Families United Action Network (FUAN) | Supporting | GA89 |
| Ryan Knapp | Families United Action Network (FUAN) | Supporting | GA89 |
| Ryan Marquardt | Families United Action Network (FUAN) | Supporting | GA89 |
| Sarah Abdouch | Families United Action Network (FUAN) | Supporting | GA89 |
| Tom McDermott | Families United Action Network (FUAN) | Supporting | GA89 |
| ToyA Johnson | Families United Action Network (FUAN) | Supporting | GA89 |
| Whitney Rupe | Families United Action Network (FUAN) | Supporting | GA89 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA89 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Undecided | GA89 |
| Mike Heller | Iowa Association of Magistrate Judges | Undecided | GA89 |
| Paula Feltner | Iowa Association of Magistrate Judges | Undecided | GA89 |
| ToyA Johnson | Iowa Citizens For Justice | Supporting | GA89 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Supporting | GA89 |
| Carrie Malone | Iowa Dept. of Human Services | Undecided | GA89 |
| Doug Struyk | Iowa State Bar Association | Supporting | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Supporting | GA89 |
| Jim Carney | Iowa State Bar Association | Supporting | GA89 |
| Martin Connell | IowaFathers | Supporting | GA89 |
| Ryan Knapp | Paternal Guardians of Iowa | Supporting | GA89 |
| David Vesper | Personal Interest-David Vesper | Supporting | GA89 |
| Martin Connell | Personal Interest-Martin Connell | Supporting | GA89 |
| Matthew Hickok | Personal Interest-Matthew Hickok | Supporting | GA89 |
| Stacey Schnuckel | Personal Interest-Stacey Schnuckel | Withdrawn | GA89 |
| Stacey Schnuckel | Personal Interest-Stacey Schnuckel | Supporting | GA89 |
| David Vesper | The Fathers' Rights Movement | Supporting | GA89 |