| Brad Epperly | AIG-American International Companies | Undecided | GA89 |
| Dustin Miller | AIG-American International Companies | Undecided | GA89 |
| Jake Ketzner | Independent Insurance Agents of Iowa | Undecided | GA89 |
| Larry Blixt | Independent Insurance Agents of Iowa | Undecided | GA89 |
| Thomas O'Meara | Independent Insurance Agents of Iowa | Undecided | GA89 |
| Kellie Paschke | Iowa Cattlemen's Association | Supporting | GA89 |
| Kelly Meyers | Iowa Cattlemen's Association | Supporting | GA89 |
| Logan Murray | Iowa Cattlemen's Association | Supporting | GA89 |
| Troy Skinner | Iowa Cattlemen's Association | Supporting | GA89 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA89 |
| Don Petersen | Iowa Farm Bureau Federation | Supporting | GA89 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Supporting | GA89 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA89 |
| Hannah McDowell | Iowa Farmers Union | Undecided | GA89 |
| Nick Laning | Iowa Farmers Union | Undecided | GA89 |
| Threase Harms | Iowa Farmers Union | Undecided | GA89 |
| BRITTANY LUMLEY | Iowa Insurance Institute | Undecided | GA89 |
| Charlotte Eby | Iowa Insurance Institute | Undecided | GA89 |
| Jeffrey Boeyink | Iowa Insurance Institute | Undecided | GA89 |
| Taylor McDonald | Iowa Insurance Institute | Undecided | GA89 |
| Karl Schilling | Iowa Organization for Victim Assistance | Supporting | GA89 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA89 |
| Meghan Malloy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA89 |
| Jill Altringer | Iowa State Dairy Association | Supporting | GA89 |
| Jill Altringer | Iowa Turkey Federation | Supporting | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA89 |
| David Wilkerson | School Administrators of Iowa | Undecided | GA89 |
| Karl Schilling | Soaring Hearts | Supporting | GA89 |
| David Adelman | State Farm Insurance | Undecided | GA89 |
| Frank Chiodo | State Farm Insurance | Undecided | GA89 |
| Matt Hinch | State Farm Insurance | Undecided | GA89 |
| Sara Allen | State Farm Insurance | Undecided | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA89 |