| Jeff Smith | Agribusiness Association of Iowa | Supporting | GA90 |
| Maggie Smith-Fitzgerald | Agribusiness Association of Iowa | Supporting | GA90 |
| Matt Fitzgerald | Agribusiness Association of Iowa | Supporting | GA90 |
| Jon Murphy | Casey's General Stores | Undecided | GA90 |
| Tom Cope | Casey's General Stores | Undecided | GA90 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Kate Hansen | Center for Rural Affairs | Supporting | GA90 |
| Kate Hansen | Center for Rural Affairs | Undecided | GA90 |
| Jefferson Fink | Conservation Districts of Iowa | Undecided | GA90 |
| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA90 |
| Mark Joyce | Corteva Agriscience | Undecided | GA90 |
| Dane Schumann | Dog Daycare Coalition | Undecided | GA90 |
| Doug Struyk | Iowa Biodiesel Board | Supporting | GA90 |
| Jennifer Dorman | Iowa Biodiesel Board | Supporting | GA90 |
| Jim Carney | Iowa Biodiesel Board | Supporting | GA90 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA90 |
| Kelly Meyers | Iowa Cattlemen's Association | Undecided | GA90 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA90 |
| Haley Hook | Iowa Department of Agriculture & Land Stewardship | Supporting | GA90 |
| Chelsea Hoye | Iowa Environmental Council | Undecided | GA90 |
| Threase Harms | Iowa Environmental Council | Undecided | GA90 |
| Chelsea Hoye | Iowa Farmers Union | Undecided | GA90 |
| Nick Laning | Iowa Farmers Union | Undecided | GA90 |
| Threase Harms | Iowa Farmers Union | Undecided | GA90 |
| Bobby Martens | Iowa Institute for Cooperatives | Supporting | GA90 |
| Mike St. Clair | Iowa Institute for Cooperatives | Supporting | GA90 |
| Rebecca Boyer | Iowa Institute for Cooperatives | Supporting | GA90 |
| Mark Joyce | Iowa Whitetail Deer Association | Undecided | GA90 |
| Kellie Paschke | Landus Cooperative | Undecided | GA90 |
| Kelly Meyers | Landus Cooperative | Undecided | GA90 |
| Troy Skinner | Landus Cooperative | Undecided | GA90 |
| Kate Walton | POET, LLC | Undecided | GA90 |
| Madeleine Bradley | POET, LLC | Undecided | GA90 |
| Matt Eide | POET, LLC | Undecided | GA90 |
| Angela Caulk | The Humane Society of the United States | Undecided | GA90 |
| Kole Pederson | The Humane Society of the United States | Undecided | GA90 |
| Logan Murray | The Humane Society of the United States | Undecided | GA90 |
| Noah Tabor | The Humane Society of the United States | Undecided | GA90 |
| Preston Moore | The Humane Society of the United States | Undecided | GA90 |
| Bob Rafferty | Truckstops of Iowa | Undecided | GA90 |
| Nick Laning | Truckstops of Iowa | Undecided | GA90 |
| Craig Schoenfeld | Valero Energy Corporation | Undecided | GA90 |