| Jefferson Fink | Coalition for Iowa Woodlands and Trees | Undecided | GA90 |
| Jim Obradovich | Coalition for Iowa Woodlands and Trees | Undecided | GA90 |
| Victoria Sinclair | Coalition for Iowa Woodlands and Trees | Undecided | GA90 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA90 |
| Michelle Johnson | Iowa Association of School Boards | Undecided | GA90 |
| Cora Fox | Iowa Cattlemen's Association | Supporting | GA90 |
| Jake Swanson | Iowa Cattlemen's Association | Supporting | GA90 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Supporting | GA90 |
| Matt Gronewald | Iowa Farm Bureau Federation | Supporting | GA90 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA90 |
| Chelsea Hoye | Iowa Farmers Union | Undecided | GA90 |
| Threase Harms | Iowa Farmers Union | Undecided | GA90 |
| Jefferson Fink | Iowa Honey Producers Association | Undecided | GA90 |
| Jim Obradovich | Iowa Honey Producers Association | Undecided | GA90 |
| Victoria Sinclair | Iowa Honey Producers Association | Undecided | GA90 |
| Jill Altringer | Iowa State Dairy Association | Supporting | GA90 |
| Melissa Peterson | Iowa State Education Association | Undecided | GA90 |
| Morgan Miller | Iowa State Education Association | Undecided | GA90 |
| Jill Altringer | Iowa Turkey Federation | Supporting | GA90 |
| Jill Altringer | North Central Poultry Association | Supporting | GA90 |
| Nathaniel Arnold | Professional Educators of Iowa | Undecided | GA90 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA90 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA90 |
| Dave Daughton | School Administrators of Iowa | Undecided | GA90 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA90 |