| Brian Guillaume | AFSCME Iowa Council 61 | Undecided | GA85 |
| Joe Nehring | AFSCME Iowa Council 61 | Undecided | GA85 |
| Marcia Nichols | AFSCME Iowa Council 61 | Undecided | GA85 |
| Morgan Miller | AFSCME Iowa Council 61 | Undecided | GA85 |
| Sherri Carnahan | AFSCME Iowa Council 61 | Undecided | GA85 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Undecided | GA85 |
| Angela Davis | Des Moines Area Regional Transit | Supporting | GA85 |
| Bill Wimmer | Des Moines Area Regional Transit | Supporting | GA85 |
| Marty Ryan | Fawkes-Lee & Ryan Inc. | Opposing | GA85 |
| Stephanie Fawkes-Lee | Fawkes-Lee & Ryan Inc. | Opposing | GA85 |
| Brad Lint | Iowa Association for Justice | Undecided | GA85 |
| Lisa Davis-Cook | Iowa Association for Justice | Undecided | GA85 |
| Susan Cameron Daemen | Iowa County Attorneys Association | Opposing | GA85 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Supporting | GA85 |
| Jerry Fitzgerald | Iowa Public Transit Association (IPT) | Supporting | GA85 |
| Maggie Smith-Fitzgerald | Iowa Public Transit Association (IPT) | Supporting | GA85 |
| Mark Joyce | Iowa Public Transit Association (IPT) | Supporting | GA85 |
| George Appleby | Iowa State Bar Association | Undecided | GA85 |
| Jennifer Tyler | Iowa State Bar Association | Undecided | GA85 |
| Jim Carney | Iowa State Bar Association | Undecided | GA85 |
| Joe Kelly | Iowa State Sheriffs' & Deputies' Association | Undecided | GA85 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA85 |
| Marty Ryan | Justice Reform Consortium | Opposing | GA85 |
| Stephanie Fawkes-Lee | Justice Reform Consortium | Opposing | GA85 |
| Mark Cooper | South Central Iowa Federation of Labor AFL-CIO | Supporting | GA85 |
| Chris Smith | United Transportation Union | Supporting | GA85 |