| Gary Grant | City of Cedar Rapids | Undecided | GA85 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA85 |
| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA85 |
| Mike St. Clair | General Motors LLC | Undecided | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Jerry Fitzgerald | Iowa Corn Growers Association(ICG) | Undecided | GA85 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association(ICG) | Undecided | GA85 |
| Mark Joyce | Iowa Corn Growers Association(ICG) | Undecided | GA85 |
| Mindy Poldberg | Iowa Corn Growers Association(ICG) | Undecided | GA85 |
| Matt Gronewald | Iowa Dept. of Agriculture | Supporting | GA85 |
| Jim Obradovich | Iowa Environmental Council | Undecided | GA85 |
| Dane Schumann | Iowa Farmers Union | Undecided | GA85 |
| Kent Hartwig | Iowa Farmers Union | Undecided | GA85 |
| Threase Harms | Iowa Farmers Union | Undecided | GA85 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Grocery Industry Association | Undecided | GA85 |
| Jim Obradovich | Iowa Public Airports Association | Undecided | GA85 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA85 |
| Montgomery Shaw | Iowa Renewable Fuels Association (IRF) | Supporting | GA85 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA85 |
| tom fey | Iowa State Building and Construction Trades Council | Undecided | GA85 |
| John Pederson | Kum and Go | Undecided | GA85 |
| Matt Eide | Kum and Go | Undecided | GA85 |
| Mike Heller | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA85 |
| Paula Feltner | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA85 |
| Mike St. Clair | Property Casualty Insurers Association of America (PCI) | Supporting | GA85 |