| Jerry Fitzgerald | Agribusiness Association of Iowa | Undecided | GA86 |
| Maggie Smith-Fitzgerald | Agribusiness Association of Iowa | Undecided | GA86 |
| Matt Fitzgerald | Agribusiness Association of Iowa | Undecided | GA86 |
| MIke Delaney | Citizens For A Healthy Iowa | Undecided | GA86 |
| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA86 |
| Jake Oeth | Des Moines Water Works | Undecided | GA86 |
| Kent Hartwig | Des Moines Water Works | Undecided | GA86 |
| Threase Harms | Des Moines Water Works | Undecided | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Rachel Geilenfeld | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Zach Dalluge | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Dustin Noble | Iowa Cattlemen's Association | Undecided | GA86 |
| Justine Stevenson | Iowa Cattlemen's Association | Undecided | GA86 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA86 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA86 |
| Neila Seaman | Iowa Chapter of Sierra Club | Supporting | GA86 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA86 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA86 |
| Jerry Fitzgerald | Iowa Corn Growers Association(ICG) | Undecided | GA86 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association(ICG) | Undecided | GA86 |
| Matt Fitzgerald | Iowa Corn Growers Association(ICG) | Undecided | GA86 |
| Mindy Poldberg | Iowa Corn Growers Association(ICG) | Undecided | GA86 |
| Matt Gronewald | Iowa Dept. of Agriculture | 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 |
| Jake Oeth | Iowa Farmers Union | Undecided | GA86 |
| Kent Hartwig | Iowa Farmers Union | Undecided | GA86 |
| Threase Harms | Iowa Farmers Union | Undecided | GA86 |
| Kayla Lyon | Iowa Institute for Cooperatives | Undecided | GA86 |
| Jake Oeth | Iowa Rivers Revival | Undecided | GA86 |
| Kent Hartwig | Iowa Rivers Revival | Undecided | GA86 |
| Threase Harms | Iowa Rivers Revival | Undecided | GA86 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Scott Sundstrom | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Jill Altringer | Iowa Soybean Association | Supporting | GA86 |
| MIke Delaney | Izaak Walton League - Iowa Division | Undecided | GA86 |
| MIke Delaney | Raccoon River Watershed Association | Undecided | GA86 |