| John Cacciatore | American Heart Association | Undecided | GA89 |
| Justin Hupfer | American Heart Association | Undecided | GA89 |
| Lon Anderson | American Heart Association | Undecided | GA89 |
| Chelsea Hoye | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA89 |
| Emilee Harris-Puricelli | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA89 |
| Nick Laning | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA89 |
| Threase Harms | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA89 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA89 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA89 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA89 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA89 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA89 |
| James Kersten | Iowa Central Community College | Undecided | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA89 |
| Maddie Wilcox | Iowa Dept. of Public Health | Undecided | GA89 |
| Jim Obradovich | Iowa Environmental Health Association | Undecided | GA89 |
| Robert Mulqueen | Iowa Environmental Health Association | Undecided | GA89 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA89 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA89 |
| Eric Goranson | Iowa Hotel & Lodging Association | Undecided | GA89 |
| Eric Goranson | Iowa Restaurant Association | Undecided | GA89 |
| Karla Fultz McHenry | Iowa Restaurant Association | Undecided | GA89 |