| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA86 |
| Joe Murphy | Board of Regents, State of Iowa | Undecided | GA86 |
| Katie Mulholland | Board of Regents, State of Iowa | Undecided | GA86 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA86 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA86 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA86 |
| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA86 |
| Dane Schumann | Des Moines Water Works | Undecided | GA86 |
| Emily Hockins | Des Moines Water Works | Undecided | GA86 |
| Threase Harms | Des Moines Water Works | Undecided | GA86 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA86 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA86 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA86 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Myron Linn | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Linda Kinman | Iowa Association of Water Agencies | Undecided | GA86 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA86 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA86 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA86 |
| Scott Sundstrom | Iowa Chamber Alliance | Undecided | GA86 |
| Neila Seaman | Iowa Chapter of Sierra Club | Opposing | GA86 |
| Jess Mazour | Iowa Citizens for Community Improvement Action Fund | Opposing | GA86 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA86 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA86 |
| Doug Struyk | Iowa Drainage District Association | Undecided | GA86 |
| George Appleby | Iowa Drainage District Association | Undecided | GA86 |
| Jennifer Tyler | Iowa Drainage District Association | Undecided | GA86 |
| Jim Carney | Iowa Drainage District Association | Undecided | GA86 |
| John Torbert | Iowa Drainage District Association | Undecided | GA86 |
| Mona Bond | Iowa Drainage District Association | Undecided | GA86 |
| Shannon Henson | Iowa Drainage District Association | Undecided | GA86 |
| Dane Schumann | Iowa Farmers Union | Undecided | GA86 |
| Emily Hockins | Iowa Farmers Union | Undecided | GA86 |
| Threase Harms | Iowa Farmers Union | Undecided | GA86 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA86 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA86 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA86 |
| John Pederson | Okoboji Tourism Committee | Undecided | GA86 |
| Kelly Nuckolls | Okoboji Tourism Committee | Undecided | GA86 |
| Matt Eide | Okoboji Tourism Committee | Undecided | GA86 |
| Emily Piper | Rathbun Regional Water Association | Undecided | GA86 |
| Doug Struyk | The Nature Conservancy | Undecided | GA86 |
| George Appleby | The Nature Conservancy | Undecided | GA86 |
| Jennifer Tyler | The Nature Conservancy | Undecided | GA86 |
| Jim Carney | The Nature Conservancy | Undecided | GA86 |
| Shannon Henson | The Nature Conservancy | Undecided | GA86 |