| Colin Grace | Animal Rescue League Iowa, Inc. | Supporting | GA88 |
| Carolann Jensen | Board of Regents, State of Iowa | Undecided | GA88 |
| Jennifer Harbison | Board of Regents, State of Iowa | Undecided | GA88 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA88 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA88 |
| David McDonald | Cedar Rapids Kennel Association | Opposing | GA88 |
| Brad Lint | Iowa Association for Justice | Undecided | GA88 |
| Lisa Davis-Cook | Iowa Association for Justice | Undecided | GA88 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA88 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA88 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA88 |
| Susan Cameron Daemen | Iowa County Attorneys Association | Undecided | GA88 |
| Brad Epperly | Iowa Defense Counsel Association | Undecided | GA88 |
| Dustin Miller | Iowa Defense Counsel Association | Undecided | GA88 |
| Paula Dierenfeld | Iowa Defense Counsel Association | Undecided | GA88 |
| Maison Bleam | Iowa Department of Agriculture & Land Stewardship | Undecided | GA88 |
| Maddie Wilcox | Iowa Farmers Union | Undecided | GA88 |
| Threase Harms | Iowa Farmers Union | Undecided | GA88 |
| David Scott | Iowa Federation of Animal Owners | Undecided | GA88 |
| Jill Altringer | Iowa Federation of Animal Owners | Undecided | GA88 |
| Haley Anderson | Iowa Pet Alliance | Supporting | GA88 |
| Drew Mogler | Iowa Pork Producers Association | Undecided | GA88 |
| Jeff Smith | Iowa Pork Producers Association | Undecided | GA88 |
| Jerry Fitzgerald | Iowa Pork Producers Association | Undecided | GA88 |
| Maggie Smith-Fitzgerald | Iowa Pork Producers Association | Undecided | GA88 |
| Matt Fitzgerald | Iowa Pork Producers Association | Undecided | GA88 |
| Jill Altringer | Iowa Poultry Association | Undecided | GA88 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Doug Struyk | Iowa Veterinary Medical Association | Supporting | GA88 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Supporting | GA88 |
| Jim Carney | Iowa Veterinary Medical Association | Supporting | GA88 |
| Emily Piper | Stray Dog Policy, Inc. | Supporting | GA88 |
| Preston Moore | The Humane Society of the United States | Supporting | GA88 |