| Adam Gregg | Agribusiness Assn. of IA | Supporting | GA83 |
| Jerry Fitzgerald | Agribusiness Assn. of IA | Supporting | GA83 |
| Jerry Fitzgerald | Agribusiness Assn. of IA | Undecided | GA83 |
| Larry Murphy | Agribusiness Assn. of IA | Supporting | GA83 |
| Maggie Smith-Fitzgerald | Agribusiness Assn. of IA | Supporting | GA83 |
| Maggie Smith-Fitzgerald | Agribusiness Assn. of IA | Undecided | GA83 |
| Marc Beltrame | Agribusiness Assn. of IA | Supporting | GA83 |
| Mark Joyce | Agribusiness Assn. of IA | Supporting | GA83 |
| Mark Joyce | Agribusiness Assn. of IA | Undecided | GA83 |
| Mark Reisinger | Agribusiness Assn. of IA | Supporting | GA83 |
| Mark Reisinger | Agribusiness Assn. of IA | Undecided | GA83 |
| Jerry Fitzgerald | IA. Corn Growers Assn.(ICG) | Supporting | GA83 |
| Jerry Fitzgerald | IA. Corn Growers Assn.(ICG) | Undecided | GA83 |
| Maggie Smith-Fitzgerald | IA. Corn Growers Assn.(ICG) | Supporting | GA83 |
| Maggie Smith-Fitzgerald | IA. Corn Growers Assn.(ICG) | Undecided | GA83 |
| Mark Joyce | IA. Corn Growers Assn.(ICG) | Supporting | GA83 |
| Mark Joyce | IA. Corn Growers Assn.(ICG) | Undecided | GA83 |
| Mindy Poldberg | IA. Corn Growers Assn.(ICG) | Supporting | GA83 |
| Susan Fenton | IA. Dept. of Agriculture | Supporting | GA83 |
| John Pederson | IA. Ethanol Producers Assn. | Undecided | GA83 |
| Matt Eide | IA. Ethanol Producers Assn. | Undecided | GA83 |
| Ted Stopulos | IA. Ethanol Producers Assn. | Undecided | GA83 |
| Don Petersen | IA. Farm Bureau Federation | Supporting | GA83 |
| Joe Johnson | IA. Farm Bureau Federation | Supporting | GA83 |
| Mark Salvador | IA. Farm Bureau Federation | Supporting | GA83 |
| Jen Schulte | IA. Farmers Union | Supporting | GA83 |
| Jen Schulte | IA. Farmers Union | Undecided | GA83 |
| Kent Hartwig | IA. Farmers Union | Supporting | GA83 |
| Kent Hartwig | IA. Farmers Union | Undecided | GA83 |
| Kyle Frette | IA. Farmers Union | Supporting | GA83 |
| Kyle Frette | IA. Farmers Union | Undecided | GA83 |
| Threase Harms | IA. Farmers Union | Supporting | GA83 |
| Threase Harms | IA. Farmers Union | Undecided | GA83 |
| Drue Sander | IA. Institute for Cooperatives | Supporting | GA83 |
| Drue Sander | IA. Institute for Cooperatives | Undecided | GA83 |
| Kayla Lyon | IA. Institute for Cooperatives | Supporting | GA83 |
| Kayla Lyon | IA. Institute for Cooperatives | Undecided | GA83 |
| Montgomery Shaw | IA. Renewable Fuels Assn. (IRF) | Undecided | GA83 |
| Paula Feltner | IA. Renewable Fuels Assn. (IRF) | Undecided | GA83 |
| Brad Epperly | IA. Society of Certified Public Accountants | Undecided | GA83 |
| James West | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Keith Luchtel | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Paula Dierenfeld | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Scott Sundstrom | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Brad Epperly | Monsanto Company | Supporting | GA83 |
| James West | Monsanto Company | Supporting | GA83 |
| Keith Luchtel | Monsanto Company | Supporting | GA83 |
| Scott Sundstrom | Monsanto Company | Supporting | GA83 |
| Steve Falck | West Central Cooperative | Supporting | GA83 |