| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | GA90 |
| Jake Highfill | Home Builders Association of Iowa | Undecided | GA90 |
| Tony Phillips | Home Builders Association of Iowa | Undecided | GA90 |
| Nick Laning | IBEW Iowa State Conference | Supporting | GA90 |
| Threase Harms | IBEW Iowa State Conference | Supporting | GA90 |
| Carolann Jensen | Iowa Board of Regents | Undecided | GA90 |
| Jennifer Harbison | Iowa Board of Regents | Undecided | GA90 |
| Keith Saunders | Iowa Board of Regents | Undecided | GA90 |
| Mary Braun | Iowa Board of Regents | Undecided | GA90 |
| Carrie Malone | Iowa Department of Health and Human Services | Undecided | GA90 |
| Dax Oberreuter | Iowa Department of Health and Human Services | Undecided | GA90 |
| Jancy Nielson | Iowa Department of Health and Human Services | Undecided | GA90 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Supporting | GA90 |
| Michael Gronstal | Iowa State Building and Construction Trades | Supporting | GA90 |
| Dylan Gramlich | Laborers International Union of North America | Supporting | GA90 |
| Ben Hammes | Master Builders of Iowa | Undecided | GA90 |
| Julie Smith | Master Builders of Iowa | Undecided | GA90 |
| Dane Schumann | North Central States Regional Council of Carpenters | Supporting | GA90 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Supporting | GA90 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| David Adelman | Sheet Metal Contractors of Iowa | Undecided | GA90 |
| Frank Chiodo | Sheet Metal Contractors of Iowa | Undecided | GA90 |
| Lillie Brady | Sheet Metal Contractors of Iowa | Undecided | GA90 |
| Matt Hinch | Sheet Metal Contractors of Iowa | Undecided | GA90 |
| Sara Allen | Sheet Metal Contractors of Iowa | Undecided | GA90 |