| Melissa Speed | AFSCME Iowa Council 61 | Supporting | GA89 |
| 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 |
| Nick Laning | IBEW Iowa State Conference | Supporting | GA89 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA89 |
| Threase Harms | IBEW Iowa State Conference | Supporting | GA89 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA89 |
| Michael McCarthy | Iowa Alliance For Retired Americans | Supporting | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Supporting | GA89 |
| Doug Struyk | Iowa State Bar Association | Opposing | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Opposing | GA89 |
| Jim Carney | Iowa State Bar Association | Opposing | GA89 |
| Melissa Peterson | Iowa State Education Association | Supporting | GA89 |
| Morgan Miller | Iowa State Education Association | Supporting | GA89 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Supporting | GA89 |
| Nathaniel Arnold | Professional Educators of Iowa | Undecided | GA89 |
| Kelli Harrison | UAW Region 4 | Supporting | GA89 |
| Karl Schilling | United Professionals/UE | Supporting | GA89 |
| David Adelman | UnityPoint Health | Undecided | GA89 |
| Frank Chiodo | UnityPoint Health | Undecided | GA89 |
| Lillie Brady | UnityPoint Health | Undecided | GA89 |
| Matt Hinch | UnityPoint Health | Undecided | GA89 |
| Sara Allen | UnityPoint Health | Undecided | GA89 |