| Alex Drzycimski | AFSCME Iowa Council 61 | Undecided | GA86 |
| Marcia Nichols | AFSCME Iowa Council 61 | Undecided | GA86 |
| Morgan Miller | AFSCME Iowa Council 61 | Undecided | GA86 |
| Brad Epperly | AIG-American International Companies | Undecided | GA86 |
| Paula Dierenfeld | AIG-American International Companies | Undecided | GA86 |
| Scott Sundstrom | AIG-American International Companies | Undecided | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Rachel Geilenfeld | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Zach Dalluge | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA86 |
| Phil Jeneary | Iowa Association of School Boards | Undecided | GA86 |
| Angela Davis | Iowa Court Reporters Association | Undecided | GA86 |
| Bill Wimmer | Iowa Court Reporters Association | Undecided | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA86 |
| Angela Davis | Iowa Judges Association | Undecided | GA86 |
| Bill Wimmer | Iowa Judges Association | Undecided | GA86 |
| Kellie Paschke | Iowa Peace Officers Association | Undecided | GA86 |
| Troy Skinner | Iowa Peace Officers Association | Undecided | GA86 |
| Angela Davis | Iowa Retired School Personnel Association | Undecided | GA86 |
| Bill Wimmer | Iowa Retired School Personnel Association | Undecided | GA86 |
| Brad Hudson | Iowa State Education Association | Undecided | GA86 |
| Melissa Peterson | Iowa State Education Association | Undecided | GA86 |
| Mike Heller | Iowa State Police Association | Undecided | GA86 |
| Paula Feltner | Iowa State Police Association | Undecided | GA86 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Undecided | GA86 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA86 |
| Ernie Adkison | Iowans for Tax Relief | Supporting | GA86 |
| Robert Solt | Iowans for Tax Relief | Supporting | GA86 |
| Kristin Failor | National Federation of Independent Business (NFIB /IA) | Supporting | GA86 |
| Tom Narak | School Administrators of Iowa | Undecided | GA86 |
| Mark Cooper | South Central Iowa Federation of Labor AFL-CIO | Undecided | GA86 |