| Dane Schumann | Grow Clinton County | Undecided | GA87 |
| Emily Hockins | Grow Clinton County | Undecided | GA87 |
| Threase Harms | Grow Clinton County | Undecided | GA87 |
| Don Petersen | Iowa Farm Bureau Federation | Opposing | GA87 |
| Marty Schwager | Iowa Farm Bureau Federation | Opposing | GA87 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Opposing | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA87 |
| William Peterson | Iowa State Association of Counties | Supporting | GA87 |
| Dennis Parrott | Iowa State Association of County Auditors | Supporting | GA87 |
| Heidi Burhans | Iowa State Association of County Auditors | Supporting | GA87 |
| Jamie Cashman | Iowa State Association of County Supervisors | Supporting | GA87 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Supporting | GA87 |
| Lucas Beenken | Iowa State Association of County Supervisors | Supporting | GA87 |
| William Peterson | Iowa State Association of County Supervisors | Supporting | GA87 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA87 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA87 |
| Jim Carney | Iowa State Bar Association | Undecided | GA87 |
| Gary Grant | Linn County Board of Supervisors | Supporting | GA87 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA87 |
| Meghan Malloy | Linn County Board of Supervisors | Supporting | GA87 |
| Brian Johnson | Polk County - Board of Supervisors | Supporting | GA87 |
| Craig Walter | Polk County - Board of Supervisors | Supporting | GA87 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA87 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA87 |
| Gary Grant | Urban County Coalition | Supporting | GA87 |
| Larry Murphy | Urban County Coalition | Supporting | GA87 |
| Meghan Malloy | Urban County Coalition | Supporting | GA87 |