| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Hannah McDowell | American Legion of Iowa | Undecided | GA89 |
| Nick Laning | American Legion of Iowa | Undecided | GA89 |
| Threase Harms | American Legion of Iowa | Undecided | GA89 |
| Clara Wulfsen | Department of Revenue | Undecided | GA89 |
| Jennifer Kingland | Iowa Association of Realtors | Supporting | GA89 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA89 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA89 |
| Dustin Miller | Iowa Broadcasters Association | Undecided | GA89 |
| Alan Kemp | Iowa League of Cities | Undecided | GA89 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA89 |
| Robert Palmer | Iowa League of Cities | Undecided | GA89 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA89 |
| Dustin Miller | Iowa Newspaper Association | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA89 |
| William Peterson | Iowa State Association of Counties | Supporting | GA89 |
| Jamie Cashman | Iowa State Association of County Auditors | Supporting | GA89 |
| Kristi Harshbarger | Iowa State Association of County Auditors | Supporting | GA89 |
| Lucas Beenken | Iowa State Association of County Auditors | Supporting | GA89 |
| William Peterson | Iowa State Association of County Auditors | 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 |
| R. Bruce Beeston | Veterans National Recovery Center | Supporting | GA89 |
| R. Bruce Beeston | Vietnam Veterans of America, Inc., State Council | Supporting | GA89 |