| 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 |
| Linda Kinman | Des Moines Water Works | Opposing | GA84 |
| Steve Falck | Environmental Law and Policy Center | Opposing | GA84 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Undecided | 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 |
| Linda Kinman | IA. Assn. of Water Agencies | Undecided | GA84 |
| Neila Seaman | IA. Chapter of Sierra Club | Opposing | GA84 |
| Adam Mason | IA. Citizens for Community Improvement Action Fund | Opposing | GA84 |
| Natalie Snyders | IA. Citizens for Community Improvement Action Fund | Opposing | GA84 |
| Mike Heller | IA. Conservation Alliance | 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 |
| Susan Fenton | IA. Dept. of Agriculture | Undecided | GA84 |
| Sharon Tahtinen | IA. Dept. of Natural Resources | Undecided | GA84 |
| Jim Obradovich | IA. Environmental Council | Opposing | GA84 |
| Don Petersen | IA. Farm Bureau Federation | Supporting | GA84 |
| Joe Johnson | IA. Farm Bureau Federation | Supporting | GA84 |
| Marty Schwager | IA. Farm Bureau Federation | Supporting | GA84 |
| Matthew Steinfeldt | IA. Farm Bureau Federation | Supporting | GA84 |
| Duane Sand | IA. Natural Heritage Foundation | Opposing | 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 |
| Don Brazelton | IA. Rivers Revival | Opposing | GA84 |
| Brad Epperly | IA. Water Well Assn. | Undecided | GA84 |
| Keith Luchtel | IA. Water Well Assn. | Undecided | GA84 |
| Paula Dierenfeld | IA. Water Well Assn. | Undecided | GA84 |
| Scott Sundstrom | IA. Water Well Assn. | Undecided | GA84 |
| Mark Langgin | IA. Water and Land Legacy | Opposing | GA84 |
| Mark Langgin | IA. Water and Land Legacy | Undecided | GA84 |
| Brad Epperly | Monsanto Company | Undecided | GA84 |
| Keith Luchtel | Monsanto Company | Undecided | GA84 |
| Scott Sundstrom | Monsanto Company | Undecided | GA84 |
| Kristin Failor | National Federation of Independent Business (NFIB /IA) | Undecided | GA84 |