| David Scott | American Council of Engineering Companies | Undecided | GA91 |
| Sandra Conlin | Associated Builders & Contractors of Iowa | Supporting | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| Doug Struyk | City of Waukee | Undecided | GA91 |
| Jennifer Dorman | City of Waukee | Undecided | GA91 |
| Jim Carney | City of Waukee | Undecided | GA91 |
| Jake Highfill | Home Builders Association of Iowa | Supporting | GA91 |
| Tony Phillips | Home Builders Association of Iowa | Supporting | GA91 |
| Nick Laning | IBEW Iowa State Conference | Opposing | GA91 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA91 |
| Jefferson Fink | Iowa Association of Building Officials | Undecided | GA91 |
| Jim Obradovich | Iowa Association of Building Officials | Undecided | 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 |
| Greta Haas | Iowa Association of Realtors | Supporting | GA91 |
| Jennifer Kingland | Iowa Association of Realtors | Supporting | GA91 |
| Kelsey Schott | Iowa Chapter, American Institute of Architects | Opposing | GA91 |
| Matt McKinney | Iowa Chapter, American Institute of Architects | Opposing | GA91 |
| RG Schwarm | Iowa Chapter, American Institute of Architects | Opposing | 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 | Opposing | GA91 |
| Cyndi Pederson | Iowa Fire Marshal's Association | Opposing | GA91 |
| Elizabeth Crimmings | Iowa Fire Marshal's Association | Opposing | GA91 |
| John Pederson | Iowa Fire Marshal's Association | Opposing | GA91 |
| Chelsea Hoye | Iowa League of Cities | Undecided | GA91 |
| Cody Carlson | Iowa League of Cities | Undecided | GA91 |
| David Adelman | Iowa Real Estate Developers Association | Undecided | GA91 |
| Frank Chiodo | Iowa Real Estate Developers Association | Undecided | GA91 |
| Matt Hinch | Iowa Real Estate Developers Association | Undecided | GA91 |
| Paige Thorson | Iowa Real Estate Developers Association | Undecided | GA91 |
| Sara Allen | Iowa Real Estate Developers Association | Undecided | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Undecided | GA91 |
| Beth Manley | Iowa State Association of Counties | Undecided | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA91 |
| Kurtis Bower | Kurtis Bower | Undecided | GA91 |
| Christopher Rants | NECA - Iowa (NEC) | Opposing | GA91 |
| Christopher Rants | NECA - Iowa (NEC) | Undecided | GA91 |
| Jake Friedrichsen | NECA - Iowa (NEC) | Opposing | GA91 |
| Jake Friedrichsen | NECA - Iowa (NEC) | Undecided | GA91 |
| Justin Hupfer | NECA - Iowa (NEC) | Opposing | GA91 |
| Justin Hupfer | NECA - Iowa (NEC) | Undecided | GA91 |
| Karl Schilling | United Professionals/UE | Opposing | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |