| Adam Gregg | Agribusiness Assn. of IA | Undecided | GA84 |
| Jerry Fitzgerald | Agribusiness Assn. of IA | Undecided | GA84 |
| Maggie Smith-Fitzgerald | Agribusiness Assn. of IA | Undecided | GA84 |
| Marc Beltrame | Agribusiness Assn. of IA | Undecided | GA84 |
| Mark Joyce | Agribusiness Assn. of IA | Undecided | GA84 |
| David Scott | American Water Works Assn. | Undecided | GA84 |
| Bruce Bergman | City of Des Moines | Undecided | GA84 |
| Jerry Fitzgerald | City of Des Moines | Undecided | GA84 |
| Maggie Smith-Fitzgerald | City of Des Moines | Undecided | GA84 |
| Mark Joyce | City of Des Moines | Undecided | GA84 |
| Cal Hultman | Community Bankers of IA. | Undecided | GA84 |
| Michael Triplett | Community Bankers of IA. | Undecided | GA84 |
| Linda Kinman | Des Moines Water Works | Undecided | GA84 |
| Steven Schoenebaum | Dow AgroSciences | Undecided | GA84 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Opposing | GA84 |
| Linda Kinman | IA. Assn. of Water Agencies | Undecided | GA84 |
| Robert Hartwig | IA. Bankers Assn. | Undecided | GA84 |
| Sharon Presnall | IA. Bankers Assn. | Undecided | GA84 |
| Sharon Tahtinen | IA. Dept. of Natural Resources | Undecided | GA84 |
| Jim Obradovich | IA. Environmental Council | Supporting | GA84 |
| Eric Bradley | IA. Environmental Health Assn. | Opposing | 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 |
| Joe Kelly | IA. Manufactured Housing Assn. | Undecided | GA84 |
| Joe Kelly | IA. Manufactured Housing Assn. | Opposing | GA84 |
| Emily Piper | IA. Rural Water Assn. | Undecided | GA84 |
| Hanna DeGroot | IA. State Assn. of Counties | Supporting | GA84 |
| Linda Hinton | IA. State Assn. of Counties | Supporting | GA84 |
| MaryBeth Mellick | IA. State Assn. of Counties | Supporting | GA84 |
| Nathan Bonnett | IA. State Assn. of Counties | Supporting | GA84 |
| William Peterson | IA. State Assn. of Counties | Supporting | GA84 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Supporting | GA84 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Undecided | GA84 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA84 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA84 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA84 |
| Jamie Cashman | Polk County - Board of Supervisors | Undecided | GA84 |
| Steven Schoenebaum | Smithfield Foods, Inc. | Undecided | GA84 |
| Steven Schoenebaum | Syngenta Crop Protection | Undecided | GA84 |
| Mike Heller | Waste Management, Inc. | Undecided | GA84 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA84 |