| Chip Baltimore | Chip Baltimore | Supporting | GA91 |
| Emily Callison | Iowa Corn Growers Association | Supporting | GA91 |
| Jeff Smith | Iowa Corn Growers Association | Supporting | GA91 |
| Kevin Studer | Iowa Corn Growers Association | Supporting | GA91 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association | Supporting | GA91 |
| Matt Fitzgerald | Iowa Corn Growers Association | Supporting | GA91 |
| Census Lo-liyong | Iowa County Recorders Association | Undecided | GA91 |
| Megan Clyman | Iowa County Recorders Association | Undecided | GA91 |
| Stacie Herridge | Iowa County Recorders Association | Undecided | GA91 |
| John Torbert | Iowa Drainage District Association | Undecided | GA91 |
| Mona Bond | Iowa Drainage District Association | Undecided | GA91 |
| Deanna Triplett | Iowa Finance Authority | Undecided | GA91 |
| Mike St. Clair | Iowa Land Title Association | Undecided | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Undecided | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA91 |
| Clara Wulfsen | Iowa State Bar Association | Undecided | GA91 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA91 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA91 |
| Jim Carney | Iowa State Bar Association | Undecided | GA91 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA91 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA91 |