| Adam Gregg | Agribusiness Assn. of IA | Undecided | GA84 |
| Marc Beltrame | Agribusiness Assn. of IA | Undecided | GA84 |
| Ann McCarthy | Board of Regents, State of IA | Undecided | GA84 |
| David Miles | Board of Regents, State of IA | Undecided | GA84 |
| Joe Murphy | Board of Regents, State of IA | Undecided | GA84 |
| Keith Saunders | Board of Regents, State of IA | Undecided | GA84 |
| Robert Donley | Board of Regents, State of IA | Undecided | GA84 |
| Jim Obradovich | Conservation Districts of IA | Undecided | GA84 |
| Steve Falck | Environmental Law and Policy Center | Opposing | GA84 |
| Jay Byers | Greater Des Moines Partnership | 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 |
| 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 |
| John Torbert | IA. Drainage District Assn. | Undecided | GA84 |
| Jim Obradovich | IA. Environmental Council | Undecided | 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 |
| Alan Kemp | IA. League of Cities | Undecided | GA84 |
| Jessica Hyland | IA. League of Cities | Undecided | GA84 |
| Julie Smith | IA. League of Cities | Undecided | GA84 |
| Larry Pope | IA. League of Cities | Undecided | GA84 |
| Megan Peiffer | IA. League of Cities | Undecided | 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 |
| Emily Piper | IA. Rural Water Assn. | Undecided | GA84 |
| Jill Altringer | IA. Soybean Assn. | Undecided | GA84 |
| Mark Langgin | IA. Water and Land Legacy | Opposing | GA84 |
| Mark Langgin | IA. Water and Land Legacy | Undecided | GA84 |
| Susan Judkins | Rebuild IA Office | Undecided | GA84 |