| Drew Klein | Americans For Prosperity | Supporting | GA89 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA89 |
| Carolann Jensen | Board of Regents, State of Iowa | Undecided | GA89 |
| Jennifer Harbison | Board of Regents, State of Iowa | Undecided | GA89 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA89 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA89 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA89 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA89 |
| Kelly Meyers | Iowa Cattlemen's Association | Undecided | GA89 |
| Logan Murray | Iowa Cattlemen's Association | Undecided | GA89 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA89 |
| Justin LaVan | Iowa Dairy Foods Association | Opposing | GA89 |
| Colin Tadlock | Iowa Department of Agriculture & Land Stewardship | Undecided | GA89 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA89 |
| Maddie Wilcox | Iowa Dept. of Public Health | Undecided | GA89 |
| Angela Davis | Iowa Environmental Council | Undecided | GA89 |
| Jim Obradovich | Iowa Environmental Health Association | Opposing | GA89 |
| Robert Mulqueen | Iowa Environmental Health Association | Opposing | GA89 |
| Hannah McDowell | Iowa Farmers Union | Undecided | GA89 |
| Nick Laning | Iowa Farmers Union | Undecided | GA89 |
| Threase Harms | Iowa Farmers Union | Undecided | GA89 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA89 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA89 |
| Bobby Martens | Iowa Institute for Cooperatives | Opposing | GA89 |
| Katie Hall | Iowa Institute for Cooperatives | Opposing | GA89 |
| Mike St. Clair | Iowa Institute for Cooperatives | Opposing | GA89 |
| Alan Kemp | Iowa League of Cities | Undecided | GA89 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA89 |
| Robert Palmer | Iowa League of Cities | Undecided | GA89 |
| Drew Mogler | Iowa Pork Producers Association | Undecided | GA89 |
| Jeff Smith | Iowa Pork Producers Association | Undecided | GA89 |
| Jerry Fitzgerald | Iowa Pork Producers Association | Undecided | GA89 |
| Maggie Smith-Fitzgerald | Iowa Pork Producers Association | Undecided | GA89 |
| Matt Fitzgerald | Iowa Pork Producers Association | Undecided | GA89 |
| Lina Tucker Reinders | Iowa Public Health Association | Opposing | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Opposing | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA89 |
| William Peterson | Iowa State Association of Counties | Opposing | GA89 |
| Jill Altringer | Iowa State Dairy Association | Opposing | GA89 |
| Doug Struyk | Iowa Veterinary Medical Association | Opposing | GA89 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Opposing | GA89 |
| Jim Carney | Iowa Veterinary Medical Association | Opposing | GA89 |