| Alex Drzycimski | AFSCME Iowa Council 61 | Opposing | GA87 |
| Morgan Miller | AFSCME Iowa Council 61 | Opposing | GA87 |
| Mark Joyce | Boyd Gaming-Peninsula Gaming LLC & Dubuque Diamond Jo & Diamond Jo Worth | Undecided | GA87 |
| Angela Davis | Iowa Clerks of Court Association | Undecided | GA87 |
| Bill Wimmer | Iowa Clerks of Court Association | Undecided | GA87 |
| Angela Davis | Iowa Court Reporters Association | Undecided | GA87 |
| Bill Wimmer | Iowa Court Reporters Association | Undecided | GA87 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA87 |
| Angela Davis | Iowa Judges Association | Undecided | GA87 |
| Bill Wimmer | Iowa Judges Association | Undecided | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA87 |
| William Peterson | Iowa State Association of Counties | Undecided | GA87 |
| Doug Struyk | Iowa State Bar Association | Supporting | GA87 |
| Jim Carney | Iowa State Bar Association | Supporting | GA87 |
| Shannon Henson | Iowa State Bar Association | Supporting | GA87 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Undecided | GA87 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA87 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA87 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA87 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA87 |
| Chuck Hurley | The Family Leader | Undecided | GA87 |
| Chuck Hurley | The Family Leader Foundation | Undecided | GA87 |
| Gary Grant | Urban County Coalition | Undecided | GA87 |
| Larry Murphy | Urban County Coalition | Undecided | GA87 |
| Meghan Malloy | Urban County Coalition | Undecided | GA87 |