| Mazie Stilwell | AFSCME Iowa Council 61 | Opposing | GA87 |
| Morgan Miller | AFSCME Iowa Council 61 | Opposing | GA87 |
| Tamara Scott | Concerned Women For America of Iowa | Supporting | GA87 |
| Jane Hudson | Disability Rights Iowa | Opposing | GA87 |
| Marty Ryan | Fawkes-Lee & Ryan Inc. | Opposing | GA87 |
| Stephanie Fawkes-Lee | Fawkes-Lee & Ryan Inc. | Opposing | GA87 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA87 |
| Mike Heller | Iowa Academy of Trial Lawyers | Opposing | GA87 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Opposing | GA87 |
| Brad Lint | Iowa Association for Justice | Opposing | GA87 |
| Lisa Davis-Cook | Iowa Association for Justice | Opposing | GA87 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA87 |
| Brad Epperly | Iowa Defense Counsel Association | Opposing | GA87 |
| Dustin Miller | Iowa Defense Counsel Association | Opposing | GA87 |
| Katie Graham | Iowa Defense Counsel Association | Withdrawn | GA87 |
| Katie Graham | Iowa Defense Counsel Association | Opposing | GA87 |
| Paula Dierenfeld | Iowa Defense Counsel Association | Opposing | GA87 |
| Tamara Scott | Iowa Faith and Freedom Coalition | Supporting | GA87 |
| Doug Struyk | Iowa State Bar Association | Opposing | GA87 |
| Jennifer Dorman | Iowa State Bar Association | Opposing | GA87 |
| Jim Carney | Iowa State Bar Association | Opposing | GA87 |
| Marty Ryan | Justice Reform Consortium | Opposing | GA87 |
| Stephanie Fawkes-Lee | Justice Reform Consortium | Opposing | GA87 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA87 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA87 |
| Abigail Nelson | One Iowa Action | Opposing | GA87 |
| Daniel Hoffman-Zinnel | One Iowa Action | Opposing | GA87 |
| Keenan Crow | One Iowa Action | Opposing | GA87 |
| Frederick Haskins | Patterson Law Firm LLP | Undecided | GA87 |