| Melissa Speed | AFSCME Iowa Council 61 | Supporting | GA89 |
| Sandra Conlin | Associated Builders & Contractors of Iowa | Undecided | 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 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Supporting | GA89 |
| Nick Laning | IBEW Iowa State Conference | Supporting | GA89 |
| Threase Harms | IBEW Iowa State Conference | Supporting | GA89 |
| Jim Obradovich | Iowa Association of Building Officials | Undecided | GA89 |
| Robert Mulqueen | Iowa Association of Building Officials | Undecided | GA89 |
| David Palmer | Iowa Association of Community College Trustees | Undecided | GA89 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA89 |
| Jeff Smith | Iowa Association of Community College Trustees | Undecided | GA89 |
| Jerry Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA89 |
| Laurie Wolf | Iowa Association of Community College Trustees | Undecided | GA89 |
| Maggie Smith-Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA89 |
| Matt Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA89 |
| Paula Dierenfeld | Iowa Chapter, American Institute of Architects | Undecided | GA89 |
| Kelly Meyers | Iowa County Attorneys Association | Supporting | GA89 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Supporting | GA89 |
| Michael Gronstal | Iowa State Building and Construction Trades | Supporting | GA89 |
| Joseph Zahorik | Ironworkers Local 89 | Supporting | GA89 |
| Dylan Gramlich | Laborers International Union of North America | Supporting | GA89 |
| Ben Hammes | Master Builders of Iowa | Undecided | GA89 |
| Julie Smith | Master Builders of Iowa | Undecided | GA89 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA89 |
| Christopher Rants | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA89 |
| Justin Hupfer | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA89 |
| Christopher Rants | NECA - Iowa (NEC) | Undecided | GA89 |
| John Cacciatore | NECA - Iowa (NEC) | Undecided | GA89 |
| Justin Hupfer | NECA - Iowa (NEC) | Undecided | GA89 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Supporting | GA89 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Supporting | GA89 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| David Adelman | Sheet Metal Contractors of Iowa | Undecided | GA89 |
| Frank Chiodo | Sheet Metal Contractors of Iowa | Undecided | GA89 |
| Lillie Brady | Sheet Metal Contractors of Iowa | Undecided | GA89 |
| Matt Hinch | Sheet Metal Contractors of Iowa | Undecided | GA89 |
| Sara Allen | Sheet Metal Contractors of Iowa | Undecided | GA89 |