| Sandra Conlin | Associated Builders & Contractors of Iowa | Supporting | GA91 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Kylie Spies | Common Good Iowa | Opposing | GA91 |
| Sean Finn | Common Good Iowa | Opposing | GA91 |
| Sheila Hansen | Common Good Iowa | Opposing | GA91 |
| Nick Laning | IBEW Iowa State Conference | Supporting | GA91 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA91 |
| Nick Laning | IBEW Iowa State Conference | Opposing | GA91 |
| Threase Harms | IBEW Iowa State Conference | Supporting | GA91 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA91 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA91 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA91 |
| John Davis | Iowa Association of Business and Industry (ABI) | Supporting | GA91 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA91 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA91 |
| Ryan Roberts | Iowa Association of Community College Trustees | Undecided | GA91 |
| Brad Epperly | Iowa Business Council | Undecided | GA91 |
| Casey Nickel | Iowa Business Council | Undecided | GA91 |
| Dustin Miller | Iowa Business Council | Undecided | GA91 |
| Joe Murphy | Iowa Business Council | Undecided | GA91 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA91 |
| Tom Chapman | Iowa Catholic Conference | Undecided | GA91 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA91 |
| Casey Nickel | Iowa Chamber Alliance | Undecided | GA91 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA91 |
| Sara Throener | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Sarah Vanderploeg | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Undecided | GA91 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA91 |
| Jeff Eckhoff | Iowa Workforce Development | Supporting | GA91 |
| Tim Goodwin | Iowa Workforce Development | Supporting | GA91 |
| Christopher Rants | Mechanical Contractors Association of Iowa (MCAI) | Supporting | GA91 |
| Justin Hupfer | Mechanical Contractors Association of Iowa (MCAI) | Supporting | GA91 |
| Dane Schumann | Mid-American Carpenters Regional Council | Undecided | GA91 |
| Dane Schumann | Mid-American Carpenters Regional Council | Opposing | GA91 |
| Christopher Rants | NECA - Iowa (NEC) | Supporting | GA91 |
| Justin Hupfer | NECA - Iowa (NEC) | Supporting | GA91 |
| Christopher Rants | Plumbers and Steam Fitters Local 33 | Supporting | GA91 |
| Jake Friedrichsen | Plumbers and Steam Fitters Local 33 | Supporting | GA91 |
| Eric Goranson | Plumbing Heating & Cooling Contractors of IA | Undecided | GA91 |
| Nathaniel Arnold | Professional Educators of Iowa | Undecided | GA91 |
| Karl Schilling | United Professionals/UE | Opposing | GA91 |