| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA86 |
| Joe Murphy | Board of Regents, State of Iowa | Undecided | GA86 |
| Katie Mulholland | Board of Regents, State of Iowa | Undecided | GA86 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA86 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA86 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA86 |
| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA86 |
| Billi Hunt | Du Pont Businesses | Undecided | GA86 |
| Mark Joyce | Du Pont Businesses | Undecided | GA86 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA86 |
| Bill Wimmer | Hy-Vee, Inc. | 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 | Undecided | GA86 |
| Matt Gronewald | Iowa Dept. of Agriculture | Supporting | GA86 |
| Jim Obradovich | Iowa Environmental Council | Undecided | GA86 |
| John Pederson | Iowa Ethanol Producers Association | Undecided | GA86 |
| Laura Book | Iowa Ethanol Producers Association | Undecided | GA86 |
| Matt Eide | Iowa Ethanol Producers Association | Undecided | GA86 |
| Jake Oeth | Iowa Farmers Union | Undecided | GA86 |
| Kent Hartwig | Iowa Farmers Union | Undecided | GA86 |
| Threase Harms | Iowa Farmers Union | Undecided | GA86 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Grocery Industry Association | Undecided | GA86 |
| John Pederson | Iowa Harness Horsemen's Association | Undecided | GA86 |
| Laura Book | Iowa Harness Horsemen's Association | Undecided | GA86 |
| Matt Eide | Iowa Harness Horsemen's Association | Undecided | GA86 |
| Kayla Lyon | Iowa Institute for Cooperatives | Undecided | GA86 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| John Pederson | POET, LLC | Undecided | GA86 |
| Laura Book | POET, LLC | Undecided | GA86 |
| Matt Eide | POET, LLC | Undecided | GA86 |
| Scott Hedderich | Renewable Energy Group (REG) | Undecided | GA86 |