| Brice Oakley | Casey's General Stores | Undecided | GA86 |
| Don Avenson | Casey's General Stores | Undecided | GA86 |
| Tom Cope | Casey's General Stores | 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 |
| Jerry Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Matt Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Mindy Poldberg | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA86 |
| Mikel Derby | Iowa Dept. of Transportation | 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 |
| Kayla Lyon | Iowa Institute for Cooperatives | Undecided | GA86 |
| Grant Menke | Iowa Renewable Fuels Association (IRF) | Supporting | GA86 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA86 |
| Ernie Adkison | Iowans for Tax Relief | Opposing | GA86 |
| Robert Solt | Iowans for Tax Relief | Opposing | GA86 |
| John Pederson | Kum and Go, L.C. | Undecided | GA86 |
| Laura Book | Kum and Go, L.C. | Undecided | GA86 |
| Matt Eide | Kum and Go, L.C. | Undecided | GA86 |
| Mike Heller | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA86 |
| Paula Feltner | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA86 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of Iowa | Supporting | GA86 |
| Dustin Noble | Petroleum Marketers and Convenience Stores of Iowa | Supporting | GA86 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of Iowa | Supporting | GA86 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of Iowa | Supporting | GA86 |
| Bob Rafferty | Truckstops of Iowa | Opposing | GA86 |