| 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 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA89 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA89 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA89 |
| Hannah McDowell | Iowa Cosmetology School Association | Undecided | GA89 |
| Nick Laning | Iowa Cosmetology School Association | Undecided | GA89 |
| Rachel Ong | Iowa Cosmetology School Association | Undecided | GA89 |
| Threase Harms | Iowa Cosmetology School Association | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Undecided | GA89 |
| Jim Henter | Iowa Retail Federation | Undecided | GA89 |
| Michael Gronstal | Iowa State Building and Construction Trades | Undecided | GA89 |
| Dylan Gramlich | Laborers International Union of North America | Undecided | GA89 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Undecided | GA89 |
| Kevin McCarthy | North Central States Regional Council of Carpenters | Undecided | GA89 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Undecided | GA89 |
| Jim Romar | Teamsters Local 238 | Supporting | GA89 |