| Jerry Fitzgerald | Agribusiness Association of Iowa | Undecided | GA86 |
| Maggie Smith-Fitzgerald | Agribusiness Association of Iowa | Undecided | GA86 |
| Matt Fitzgerald | Agribusiness Association of Iowa | Undecided | GA86 |
| Mona Bond | Iowa Alliance of Environmental Concerns | Undecided | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Rachel Geilenfeld | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Zach Dalluge | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Neila Seaman | Iowa Chapter of Sierra Club | Supporting | GA86 |
| Jerry Fitzgerald | Iowa Corn Growers Association(ICG) | Undecided | GA86 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association(ICG) | Undecided | GA86 |
| Matt Fitzgerald | Iowa Corn Growers Association(ICG) | Undecided | GA86 |
| Mindy Poldberg | Iowa Corn Growers Association(ICG) | Undecided | GA86 |
| Matt Gronewald | Iowa Dept. of Agriculture | Undecided | GA86 |
| Jim Obradovich | Iowa Environmental Council | Undecided | GA86 |
| Don Petersen | Iowa Farm Bureau Federation | Undecided | GA86 |
| Marty Schwager | Iowa Farm Bureau Federation | Undecided | GA86 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Undecided | GA86 |
| Jake Oeth | Iowa Farmers Union | Supporting | GA86 |
| Kent Hartwig | Iowa Farmers Union | Supporting | GA86 |
| Threase Harms | Iowa Farmers Union | Supporting | GA86 |
| Kayla Lyon | Iowa Institute for Cooperatives | Undecided | GA86 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA86 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA86 |
| Brad Epperly | Monsanto Company | Undecided | GA86 |
| Scott Sundstrom | Monsanto Company | Undecided | GA86 |