| Jake Oeth | Des Moines Water Works | Undecided | GA86 |
| Kent Hartwig | Des Moines Water Works | Undecided | GA86 |
| Threase Harms | Des Moines Water Works | 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 |
| Dustin Noble | Iowa Cattlemen's Association | Undecided | GA86 |
| Justine Stevenson | Iowa Cattlemen's Association | Undecided | GA86 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA86 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA86 |
| Neila Seaman | Iowa Chapter of Sierra Club | Opposing | GA86 |
| Jess Mazour | Iowa Citizens for Community Improvement Action Fund | Opposing | GA86 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA86 |
| Jim Obradovich | Iowa Environmental Council | Supporting | GA86 |
| Jim Obradovich | Iowa Environmental Council | Undecided | GA86 |
| Robert Mulqueen | Iowa Environmental Council | Supporting | 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 | Undecided | GA86 |
| Kent Hartwig | Iowa Farmers Union | Undecided | GA86 |
| Threase Harms | Iowa Farmers Union | Undecided | GA86 |
| Cody McKinley | Iowa Pork Producers Association (IPP) | Undecided | GA86 |
| Jerry Fitzgerald | Iowa Pork Producers Association (IPP) | Undecided | GA86 |
| Maggie Smith-Fitzgerald | Iowa Pork Producers Association (IPP) | Undecided | GA86 |
| Matt Fitzgerald | Iowa Pork Producers Association (IPP) | Undecided | GA86 |
| John Pederson | Tyson Foods, Inc. | Undecided | GA86 |
| Laura Book | Tyson Foods, Inc. | Undecided | GA86 |
| Matt Eide | Tyson Foods, Inc. | Undecided | GA86 |