| Dustin Rush | Americans For Prosperity | Supporting | GA91 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA91 |
| Sandra Conlin | Associated Builders & Contractors of Iowa | Supporting | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Kate Walton | City of Bettendorf | Undecided | GA91 |
| Madeleine Bradley | City of Bettendorf | Undecided | GA91 |
| Matt Eide | City of Bettendorf | Undecided | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| Clara Wulfsen | City of Des Moines | Undecided | GA91 |
| Doug Struyk | City of Des Moines | Undecided | GA91 |
| Emilee Harris-Puricelli | City of Des Moines | Undecided | GA91 |
| Jen Schulte | City of Des Moines | Undecided | GA91 |
| Jennifer Dorman | City of Des Moines | Undecided | GA91 |
| Jim Carney | City of Des Moines | Undecided | GA91 |
| Clara Wulfsen | City of Iowa City | Undecided | GA91 |
| Doug Struyk | City of Iowa City | Undecided | GA91 |
| Jennifer Dorman | City of Iowa City | Undecided | GA91 |
| Jim Carney | City of Iowa City | Undecided | GA91 |
| Brad Epperly | City of Marion | Undecided | GA91 |
| Casey Nickel | City of Marion | Undecided | GA91 |
| Dustin Miller | City of Marion | Undecided | GA91 |
| Clara Wulfsen | City of Waukee | Undecided | GA91 |
| Doug Struyk | City of Waukee | Undecided | GA91 |
| Jennifer Dorman | City of Waukee | Undecided | GA91 |
| Jim Carney | City of Waukee | Undecided | GA91 |
| Nathan Mueller | County Planning and Zoning Officials of Iowa | Undecided | GA91 |
| Jake Highfill | Home Builders Association of Iowa | Supporting | GA91 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA91 |
| Tony Phillips | Home Builders Association of Iowa | Supporting | GA91 |
| David Adelman | Hubbell Realty Company | Undecided | GA91 |
| Frank Chiodo | Hubbell Realty Company | Undecided | GA91 |
| Matt Hinch | Hubbell Realty Company | Undecided | GA91 |
| Paige Thorson | Hubbell Realty Company | Undecided | GA91 |
| Sara Allen | Hubbell Realty Company | Undecided | GA91 |
| Jefferson Fink | Iowa Association of Building Officials | Opposing | GA91 |
| Jim Obradovich | Iowa Association of Building Officials | Opposing | GA91 |
| Victoria Sinclair | Iowa Association of Building Officials | Opposing | GA91 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA91 |
| Tom Ferguson | Iowa County Attorneys Association | Undecided | GA91 |
| Sara Throener | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Sarah Vanderploeg | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Chelsea Hoye | Iowa League of Cities | Undecided | GA91 |
| Cody Carlson | Iowa League of Cities | Undecided | GA91 |
| Andrea Woodard | 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 |
| Andrea Woodard | Iowa State Association of County Supervisors | Undecided | GA91 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA91 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA91 |
| Dylan Gramlich | Laborers International Union of North America | Undecided | GA91 |
| Dylan Gramlich | Laborers International Union of North America | Withdrawn | GA91 |
| Gary Grant | Linn County Board of Supervisors | Opposing | GA91 |
| Gary Grant | Linn County Board of Supervisors | Withdrawn | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Opposing | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Withdrawn | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA91 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA91 |
| Ben Hammes | Master Builders of Iowa | Supporting | GA91 |
| Logan Shine | Master Builders of Iowa | Supporting | GA91 |
| Christopher Rants | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA91 |
| Justin Hupfer | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA91 |
| Dane Schumann | Mid-American Carpenters Regional Council | Undecided | GA91 |
| Christopher Rants | NECA - Iowa (NEC) | Undecided | GA91 |
| Justin Hupfer | NECA - Iowa (NEC) | Undecided | GA91 |
| Eric Goranson | Plumbing Heating & Cooling Contractors of IA | Supporting | GA91 |
| Ryan Sempf | Quad Cities Chamber of Commerce | Undecided | GA91 |
| David Adelman | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Frank Chiodo | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Matt Hinch | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Paige Thorson | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Sara Allen | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |