| David Adelman | Iowa Biotechnology Association | Undecided | GA90 |
| Frank Chiodo | Iowa Biotechnology Association | Undecided | GA90 |
| Matt Hinch | Iowa Biotechnology Association | Undecided | GA90 |
| Paige Thorson | Iowa Biotechnology Association | Undecided | GA90 |
| Sara Allen | Iowa Biotechnology Association | Undecided | GA90 |
| Cora Fox | Iowa Cattlemen's Association | Supporting | GA90 |
| Jake Swanson | Iowa Cattlemen's Association | Supporting | GA90 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA90 |
| Tom Ferguson | Iowa County Attorneys Association | Undecided | GA90 |
| Haley Hook | Iowa Department of Agriculture & Land Stewardship | Undecided | GA90 |
| Sara Throener | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA90 |
| Chelsea Hoye | Iowa Farmers Union | Undecided | GA90 |
| Threase Harms | Iowa Farmers Union | Undecided | GA90 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA90 |
| Casey Nickel | Iowa Grocery Industry Association | Undecided | GA90 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA90 |
| Ben Nuelle | Iowa Pork Producers Association | Undecided | GA90 |
| Jeff Smith | Iowa Pork Producers Association | Undecided | GA90 |
| Maggie Smith-Fitzgerald | Iowa Pork Producers Association | Undecided | GA90 |
| Matt Fitzgerald | Iowa Pork Producers Association | Undecided | GA90 |
| Jill Altringer | Iowa State Dairy Association | Undecided | GA90 |
| Jill Altringer | Iowa Turkey Federation | Supporting | GA90 |
| Dane Schumann | Kemin Industries | Undecided | GA90 |
| Jill Altringer | North Central Poultry Association | Supporting | GA90 |