| Dane Schumann | American College of Obstetricians & Gynecologists | Undecided | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA91 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA91 |
| Kellie Paschke | Iowa Association for Justice | Undecided | GA91 |
| Kelly Meyers | Iowa Association for Justice | Undecided | GA91 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA91 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA91 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA91 |
| Sara Throener | Iowa Department of Inspections, Appeals, and Licensing | Supporting | GA91 |
| Sarah Vanderploeg | Iowa Department of Inspections, Appeals, and Licensing | Supporting | GA91 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Undecided | GA91 |
| Christopher Rants | Iowa Professional Fire Fighters | Undecided | GA91 |
| John Cacciatore | Iowa Professional Fire Fighters | Undecided | GA91 |
| Lon Anderson | Iowa Professional Fire Fighters | Undecided | GA91 |
| Melissa Peterson | Iowa State Education Association | Undecided | GA91 |
| Morgan Miller | Iowa State Education Association | Undecided | GA91 |
| Dane Schumann | Mid-American Carpenters Regional Council | Undecided | GA91 |
| Nathaniel Arnold | Professional Educators of Iowa | Undecided | GA91 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA91 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA91 |
| Dave Daughton | School Administrators of Iowa | Undecided | GA91 |
| Christopher Rants | State Police Officers Council | Undecided | GA91 |
| John Cacciatore | State Police Officers Council | Undecided | GA91 |
| Justin Hupfer | State Police Officers Council | Undecided | GA91 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA91 |