| Dane Schumann | Des Moines Water Works | Undecided | GA86 |
| Emily Hockins | Des Moines Water Works | Undecided | GA86 |
| Threase Harms | Des Moines Water Works | Undecided | GA86 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA86 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Undecided | GA86 |
| Angela Davis | Iowa Association for Justice | Opposing | GA86 |
| Bill Wimmer | Iowa Association for Justice | Opposing | GA86 |
| Brad Lint | Iowa Association for Justice | Opposing | GA86 |
| Lisa Davis-Cook | Iowa Association for Justice | Opposing | GA86 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Myron Linn | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA86 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA86 |
| Brad Epperly | Iowa Defense Counsel Association | Supporting | GA86 |
| Paula Dierenfeld | Iowa Defense Counsel Association | Supporting | GA86 |
| Scott Sundstrom | Iowa Defense Counsel Association | Supporting | GA86 |
| Jill Altringer | Iowa Soybean Association | Undecided | GA86 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA86 |
| George Appleby | Iowa State Bar Association | Undecided | GA86 |
| Jennifer Tyler | Iowa State Bar Association | Undecided | GA86 |
| Jim Carney | Iowa State Bar Association | Undecided | GA86 |