| Alex Drzycimski | AFSCME Iowa Council 61 | Undecided | GA87 |
| Morgan Miller | AFSCME Iowa Council 61 | Undecided | GA87 |
| Drew Klein | Americans For Prosperity | Undecided | GA87 |
| Kelly Meyers | Iowa County Attorneys Association | Opposing | GA87 |
| Susan Cameron Daemen | Iowa County Attorneys Association | Opposing | GA87 |
| Chad Airhart | Iowa County Recorders Association | Opposing | GA87 |
| Megan Clyman | Iowa County Recorders Association | Opposing | GA87 |
| Don Petersen | Iowa Farm Bureau Federation | Supporting | GA87 |
| Marty Schwager | Iowa Farm Bureau Federation | Supporting | GA87 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA87 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Opposing | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA87 |
| William Peterson | Iowa State Association of Counties | Opposing | GA87 |
| William Peterson | Iowa State Association of Counties | Undecided | GA87 |
| Dennis Parrott | Iowa State Association of County Auditors | Opposing | GA87 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA87 |
| William Heckroth | Iowa State Association of County Supervisors | Opposing | GA87 |
| Jarret Heil | Iowa State County Treasurers Association | Undecided | GA87 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA87 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA87 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA87 |
| Gary Grant | Urban County Coalition | Undecided | GA87 |
| Larry Murphy | Urban County Coalition | Undecided | GA87 |
| Meghan Malloy | Urban County Coalition | Undecided | GA87 |