| Bernard Lettington | Animal Rescue League Iowa, Inc. | 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 |
| Dane Schumann | Dog Daycare Coalition | Undecided | GA89 |
| Preston Moore | Humane Society Veterinary Medical Association | Supporting | GA89 |
| Brad Lint | Iowa Association for Justice | Undecided | GA89 |
| Lisa Davis-Cook | Iowa Association for Justice | Undecided | 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 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA89 |
| Colin Tadlock | Iowa Department of Agriculture & Land Stewardship | Undecided | GA89 |
| Jill Altringer | Iowa Federation of Animal Owners | Undecided | GA89 |
| Emily Piper | Iowa Pet Alliance | Supporting | GA89 |
| Doug Struyk | Iowa Veterinary Medical Association | Supporting | GA89 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Supporting | GA89 |
| Jim Carney | Iowa Veterinary Medical Association | Supporting | GA89 |
| Angela Caulk | The Humane Society of the United States | Supporting | GA89 |
| Noah Tabor | The Humane Society of the United States | Supporting | GA89 |
| Preston Moore | The Humane Society of the United States | Supporting | GA89 |