| Drew Klein | Americans For Prosperity | Supporting | GA89 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA89 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA89 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA89 |
| Kelly Meyers | Iowa County Attorneys Association | Opposing | GA89 |
| Stacie Herridge | Iowa County Recorders Association | Opposing | GA89 |
| Don Petersen | Iowa Farm Bureau Federation | Supporting | GA89 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Supporting | GA89 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA89 |
| Mike Heller | Iowa State Association of Assessors | Undecided | GA89 |
| Paula Feltner | Iowa State Association of Assessors | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Opposing | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA89 |
| William Peterson | Iowa State Association of Counties | Opposing | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Opposing | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Opposing | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Opposing | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Opposing | GA89 |
| Jarret Heil | Iowa State County Treasurers Association | Opposing | GA89 |
| Ted Rasmusson | Iowa State County Treasurers Association | Opposing | GA89 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Opposing | GA89 |
| Tony Phillips | Iowa State Sheriffs' & Deputies' Association | Opposing | GA89 |
| Gary Grant | Linn County Board of Supervisors | Supporting | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Supporting | GA89 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA89 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA89 |
| Logan Murray | Marion County Board of Supervisors | Undecided | GA89 |
| Troy Skinner | Marion County Board of Supervisors | Undecided | GA89 |
| Gary Grant | Urban County Coalition | Undecided | GA89 |
| Larry Murphy | Urban County Coalition | Undecided | GA89 |
| Meghan Malloy | Urban County Coalition | Undecided | GA89 |