| Drew Klein | Americans For Prosperity | Supporting | GA89 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Emma Schmit | Food & Water Watch | Supporting | GA89 |
| John Aspray | Food & Water Watch | Supporting | GA89 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA89 |
| Kellie Paschke | Iowa Cattlemen's Association | Supporting | GA89 |
| Kelly Meyers | Iowa Cattlemen's Association | Supporting | GA89 |
| Logan Murray | Iowa Cattlemen's Association | Supporting | GA89 |
| Troy Skinner | Iowa Cattlemen's Association | Supporting | GA89 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Undecided | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA89 |
| Chelsea Hoye | Iowa Cosmetology School Association | Undecided | GA89 |
| Emilee Harris-Puricelli | Iowa Cosmetology School Association | Undecided | GA89 |
| Nick Laning | Iowa Cosmetology School Association | Undecided | GA89 |
| Threase Harms | Iowa Cosmetology School Association | Undecided | GA89 |
| Maddie Wilcox | Iowa Dept. of Public Health | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Withdrawn | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Withdrawn | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Withdrawn | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA89 |
| William Peterson | Iowa State Association of Counties | Withdrawn | GA89 |
| William Peterson | Iowa State Association of Counties | Supporting | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Withdrawn | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Supporting | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Withdrawn | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Supporting | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Withdrawn | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Supporting | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Withdrawn | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Supporting | GA89 |
| Geri Huser | Iowa Utilities Board | Undecided | GA89 |
| Maison Bleam | Iowa Utilities Board | Undecided | GA89 |
| Dane Schumann | North Central States Regional Council of Carpenters | Undecided | GA89 |