| MARK MAXWELL | ABATE of Iowa | Supporting | GA87 |
| Dane Schumann | Grow Clinton County | Undecided | GA87 |
| Dane Schumann | Grow Clinton County | Opposing | GA87 |
| Emily Hockins | Grow Clinton County | Undecided | GA87 |
| Emily Hockins | Grow Clinton County | Opposing | GA87 |
| Threase Harms | Grow Clinton County | Undecided | GA87 |
| Threase Harms | Grow Clinton County | Opposing | GA87 |
| Mike Heller | Iowa Academy of Trial Lawyers | Opposing | GA87 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Opposing | GA87 |
| Mike Heller | Iowa Association of Magistrate Judges | Undecided | GA87 |
| Paula Feltner | Iowa Association of Magistrate Judges | Undecided | GA87 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA87 |
| Susan Cameron Daemen | Iowa County Attorneys Association | Undecided | GA87 |
| Bill Wimmer | Iowa Court Reporters Association | Undecided | GA87 |
| Richard Rogers | Iowa Firearms Coalition, Inc. | Supporting | GA87 |
| Bill Wimmer | Iowa Judges Association | Undecided | GA87 |
| Mike Heller | Iowa State Association of Assessors | Undecided | GA87 |
| Paula Feltner | Iowa State Association of Assessors | Undecided | 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 |
| 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 | Undecided | GA87 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA87 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA87 |
| Scott Jones | National Rifle Association of America | Supporting | GA87 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA87 |
| Craig Walter | Polk 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 |