| Nick Laning | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Undecided | GA90 |
| Threase Harms | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Undecided | GA90 |
| Nick Laning | Iowa Chapter of the National Emergency Number Association (NENA) | Undecided | GA90 |
| Threase Harms | Iowa Chapter of the National Emergency Number Association (NENA) | Undecided | GA90 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA90 |
| Tom Ferguson | Iowa County Attorneys Association | Undecided | GA90 |
| Census Lo-liyong | Iowa County Recorders Association | Undecided | GA90 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Undecided | GA90 |
| Matt Gronewald | Iowa Farm Bureau Federation | Undecided | GA90 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Undecided | GA90 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA90 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA90 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA90 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA90 |
| William Peterson | Iowa State Association of Counties | Undecided | GA90 |
| Jamie Cashman | Iowa State Association of County Auditors | Undecided | GA90 |
| Kristi Harshbarger | Iowa State Association of County Auditors | Undecided | GA90 |
| Lucas Beenken | Iowa State Association of County Auditors | Undecided | GA90 |
| William Peterson | Iowa State Association of County Auditors | Undecided | GA90 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA90 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA90 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA90 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA90 |
| Jake Highfill | Iowa State Sheriffs' & Deputies' Association | Undecided | GA90 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA90 |
| Tony Phillips | Iowa State Sheriffs' & Deputies' Association | Undecided | GA90 |
| Gary Grant | Linn County Board of Supervisors | Supporting | GA90 |
| Gary Grant | Linn County Board of Supervisors | Withdrawn | GA90 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Withdrawn | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA90 |
| Gary Grant | Urban County Coalition | Supporting | GA90 |
| Gary Grant | Urban County Coalition | Withdrawn | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Supporting | GA90 |
| Larry Murphy | Urban County Coalition | Withdrawn | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |