| Carolann Jensen | Board of Regents, State of Iowa | Undecided | GA89 |
| Jennifer Harbison | Board of Regents, State of Iowa | Undecided | GA89 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA89 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA89 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA89 |
| Kelly Meyers | Iowa Cattlemen's Association | Undecided | GA89 |
| Logan Murray | Iowa Cattlemen's Association | Undecided | GA89 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA89 |
| Colin Tadlock | Iowa Department of Agriculture & Land Stewardship | Undecided | GA89 |
| Maddie Wilcox | Iowa Dept. of Public Health | Undecided | GA89 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA89 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Supporting | GA89 |
| Matt Gronewald | Iowa Farm Bureau Federation | Supporting | GA89 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA89 |
| Emilee Harris-Puricelli | Iowa Farmers Union | Supporting | GA89 |
| Nick Laning | Iowa Farmers Union | Supporting | GA89 |
| Threase Harms | Iowa Farmers Union | Supporting | GA89 |
| Jill Altringer | Iowa State Dairy Association | Supporting | GA89 |
| Doug Struyk | Iowa Veterinary Medical Association | Supporting | GA89 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Supporting | GA89 |
| Jim Carney | Iowa Veterinary Medical Association | Supporting | GA89 |