| Jerry Fitzgerald | Agribusiness Association of Iowa | Undecided | GA85 |
| Maggie Smith-Fitzgerald | Agribusiness Association of Iowa | Undecided | GA85 |
| Marc Beltrame | Agribusiness Association of Iowa | Undecided | GA85 |
| Mark Joyce | Agribusiness Association of Iowa | Undecided | GA85 |
| Matt McKinney | Agribusiness Association of Iowa | Undecided | GA85 |
| Gary Grant | City of Cedar Rapids | Undecided | GA85 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA85 |
| Jim Obradovich | Coalition for Iowa Woodlands and Trees | Undecided | GA85 |
| Jim Obradovich | Conservation Districts of Iowa | Supporting | GA85 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA85 |
| Lindsay Phillips | Iowa Cattlemen's Association | Undecided | GA85 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA85 |
| Neila Seaman | Iowa Chapter of Sierra Club | Undecided | GA85 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA85 |
| Paula Feltner | Iowa Conservation Alliance | 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 | Undecided | GA85 |
| Robert Mulqueen | Iowa Environmental Council | Supporting | GA85 |
| Don Petersen | Iowa Farm Bureau Federation | Supporting | GA85 |
| Marty Schwager | Iowa Farm Bureau Federation | Supporting | GA85 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA85 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA85 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA85 |
| Carol Balvanz | Iowa Soybean Association | Undecided | GA85 |
| Jill Altringer | Iowa Soybean Association | Undecided | GA85 |
| MIke Delaney | Izaak Walton League - Iowa Division | Supporting | GA85 |
| Emily Piper | Rathbun Regional Water Association | Supporting | GA85 |