| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| 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 |
| Mark Joyce | Corteva Agriscience | Supporting | GA89 |
| Marc Beltrame | Ducks Unlimited, Inc. | Undecided | GA89 |
| Brad Lint | Iowa Association for Justice | Supporting | GA89 |
| Lisa Davis-Cook | Iowa Association for Justice | Supporting | GA89 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA89 |
| Tammie Krausman | Iowa Dept. of Natural Resources | Undecided | GA89 |
| Sarah Jennings | Iowa Dept. of Public Safety | Undecided | GA89 |
| Kellie Paschke | Iowa Peace Officers Association | Undecided | GA89 |
| Kelly Meyers | Iowa Peace Officers Association | Undecided | GA89 |
| Logan Murray | Iowa Peace Officers Association | Undecided | GA89 |
| Troy Skinner | Iowa Peace Officers Association | Undecided | GA89 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA89 |
| Meghan Malloy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | 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 |