| Emilee Harris-Puricelli | American Legion of Iowa | Supporting | GA89 |
| Nick Laning | American Legion of Iowa | Supporting | GA89 |
| Threase Harms | American Legion of Iowa | Supporting | GA89 |
| Dan Gannon | DAV-Iowa | Undecided | GA89 |
| David Thornburg | DAV-Iowa | Undecided | GA89 |
| Clara Wulfsen | Department of Revenue | Undecided | GA89 |
| Mike Heller | Father Flanagans Boys Home | Undecided | GA89 |
| Brian Carter | Iowa Conference of United Methodist Church | Undecided | GA89 |
| Gary Nims | Iowa Conference of United Methodist Church | Undecided | GA89 |
| Rita Carter | Iowa Conference of United Methodist Church | Undecided | GA89 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA89 |
| Robert Palmer | Iowa League of Cities | Undecided | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA89 |
| William Peterson | Iowa State Association of Counties | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA89 |
| Doug Struyk | Iowa State Bar Association | Supporting | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Supporting | GA89 |
| Jim Carney | Iowa State Bar Association | Supporting | GA89 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA89 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA89 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA89 |
| Logan Murray | Marion County Board of Supervisors | Undecided | GA89 |
| Troy Skinner | Marion County Board of Supervisors | Undecided | GA89 |
| R. Bruce Beeston | Veterans National Recovery Center | Undecided | GA89 |
| R. Bruce Beeston | Vietnam Veterans of America, Inc., State Council | Undecided | GA89 |