| Colin Grace | 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 |
| David McDonald | Cedar Rapids Kennel Association | Opposing | GA89 |
| Preston Moore | Humane Society Veterinary Medical Association | Supporting | GA89 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA89 |
| Paula Feltner | Iowa Academy of Trial Lawyers | 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 |
| Angela Davis | 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 |
| Jim DeMay | Pfizer Inc. c/o Politicom Law LLP | Undecided | GA89 |
| Emily Piper | Stray Dog Policy, Inc. | Supporting | GA89 |
| Preston Moore | The Humane Society of the United States | Supporting | GA89 |