| 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 |
| 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 | Opposing | GA89 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA89 |
| Jim Obradovich | Iowa Environmental Health Association | Opposing | GA89 |
| Robert Mulqueen | Iowa Environmental Health Association | Opposing | GA89 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Opposing | GA89 |
| Matt Gronewald | Iowa Farm Bureau Federation | Opposing | GA89 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Opposing | GA89 |
| Emilee Harris-Puricelli | 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 | Opposing | GA89 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA89 |
| Dustin Miller | Iowa Grocery Industry Association | Opposing | GA89 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | 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 |