| Jerry Fitzgerald | Agribusiness Assn. of IA | Undecided | GA84 |
| Maggie Smith-Fitzgerald | Agribusiness Assn. of IA | Undecided | GA84 |
| Mark Joyce | Agribusiness Assn. of IA | Undecided | GA84 |
| Brad Epperly | Deere & Company | Undecided | GA84 |
| Jason Francque | Deere & Company | Undecided | GA84 |
| Keith Luchtel | Deere & Company | Undecided | GA84 |
| Paula Dierenfeld | Deere & Company | Undecided | GA84 |
| Scott Sundstrom | Deere & Company | Undecided | GA84 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Supporting | GA84 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Supporting | GA84 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Supporting | GA84 |
| Brad Epperly | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Jerry Fitzgerald | IA. Corn Growers Assn.(ICG) | Undecided | GA84 |
| Maggie Smith-Fitzgerald | IA. Corn Growers Assn.(ICG) | Undecided | GA84 |
| Mark Joyce | IA. Corn Growers Assn.(ICG) | Undecided | GA84 |
| Mindy Poldberg | IA. Corn Growers Assn.(ICG) | Undecided | GA84 |
| Jim Obradovich | IA. Environmental Council | Opposing | GA84 |
| Alan Kemp | IA. League of Cities | Supporting | GA84 |
| Jessica Hyland | IA. League of Cities | Supporting | GA84 |
| Julie Smith | IA. League of Cities | Supporting | GA84 |
| Larry Pope | IA. League of Cities | Supporting | GA84 |
| Megan Peiffer | IA. League of Cities | Supporting | GA84 |
| Jerry Fitzgerald | IA. Pork Producers Assn. (IPP) | Undecided | GA84 |
| Maggie Smith-Fitzgerald | IA. Pork Producers Assn. (IPP) | Undecided | GA84 |
| Mark Joyce | IA. Pork Producers Assn. (IPP) | Undecided | GA84 |
| Emily Piper | IA. Rural Water Assn. | Undecided | GA84 |
| Scott Pope | IA. Sportsman Federation | Undecided | GA84 |
| John Pederson | IA. Wine Growers Assn. | Undecided | GA84 |
| Matt Eide | IA. Wine Growers Assn. | Undecided | GA84 |
| Brad Epperly | Monsanto Company | Undecided | GA84 |
| Keith Luchtel | Monsanto Company | Undecided | GA84 |
| Scott Sundstrom | Monsanto Company | Undecided | GA84 |
| Emily Piper | Rathbun Regional Water Assn. | Undecided | GA84 |
| Mike Heller | Waste Management, Inc. | Undecided | GA84 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA84 |