| David Scott | American Council of Engineering Companies | Undecided | GA90 |
| Jon Murphy | American Planning Association Iowa Chapter | Supporting | GA90 |
| Tom Cope | American Planning Association Iowa Chapter | Supporting | GA90 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Gary Grant | City of Cedar Rapids | Undecided | GA90 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA90 |
| Doug Struyk | City of Waukee | Undecided | GA90 |
| Jennifer Dorman | City of Waukee | Undecided | GA90 |
| Jim Carney | City of Waukee | Undecided | GA90 |
| David Adelman | Des Moines International Airport | Supporting | GA90 |
| Frank Chiodo | Des Moines International Airport | Supporting | GA90 |
| Matt Hinch | Des Moines International Airport | Supporting | GA90 |
| Paige Thorson | Des Moines International Airport | Supporting | GA90 |
| Sara Allen | Des Moines International Airport | Supporting | GA90 |
| Mike Heller | Father Flanagans Boys Home | Undecided | GA90 |
| Rachel Ong | Greater Des Moines Habitat for Humanity | Supporting | GA90 |
| Kate Walton | Grow Clinton County | Supporting | GA90 |
| Madeleine Bradley | Grow Clinton County | Supporting | GA90 |
| Matt Eide | Grow Clinton County | Supporting | GA90 |
| Eric Goranson | Habitat for Humanity of Iowa | Supporting | GA90 |
| David Adelman | Hubbell Realty Company | Supporting | GA90 |
| Frank Chiodo | Hubbell Realty Company | Supporting | GA90 |
| Matt Hinch | Hubbell Realty Company | Supporting | GA90 |
| Paige Thorson | Hubbell Realty Company | Supporting | GA90 |
| Sara Allen | Hubbell Realty Company | Supporting | GA90 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA90 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA90 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Nick Laning | Iowa Bicycle Coalition | Undecided | GA90 |
| Threase Harms | Iowa Bicycle Coalition | Undecided | GA90 |
| Todd Coffelt | Iowa Dept. of Natural Resources | Undecided | GA90 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA90 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Undecided | GA90 |
| Matt Gronewald | Iowa Farm Bureau Federation | Undecided | GA90 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Undecided | GA90 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Undecided | GA90 |
| Nichole Hansen | Iowa Finance Authority | Undecided | GA90 |
| Bob Rafferty | Iowa Housing Partnership | Supporting | GA90 |
| Nick Laning | Iowa Housing Partnership | Supporting | GA90 |
| Alan Kemp | Iowa League of Cities | Supporting | GA90 |
| Daniel Stalder | Iowa League of Cities | Supporting | GA90 |
| Robert Palmer | Iowa League of Cities | Supporting | GA90 |
| Amy Campbell | Iowa Primary Care Association | Undecided | GA90 |
| Chloe Gayer | Iowa Primary Care Association | Undecided | GA90 |
| Craig Patterson | Iowa Primary Care Association | Undecided | GA90 |
| Jefferson Fink | Iowa Public Airports Association | Supporting | GA90 |
| Jim Obradovich | Iowa Public Airports Association | Supporting | GA90 |
| Victoria Sinclair | Iowa Public Airports Association | Supporting | GA90 |
| David Adelman | Iowa Real Estate Developers Association | Supporting | GA90 |
| Frank Chiodo | Iowa Real Estate Developers Association | Supporting | GA90 |
| Matt Hinch | Iowa Real Estate Developers Association | Supporting | GA90 |
| Paige Thorson | Iowa Real Estate Developers Association | Supporting | GA90 |
| Sara Allen | Iowa Real Estate Developers Association | Supporting | GA90 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA90 |
| Jon Murphy | Iowa State Building and Construction Trades | Undecided | GA90 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA90 |
| Ben Hammes | Master Builders of Iowa | Supporting | GA90 |
| Julie Smith | Master Builders of Iowa | Supporting | GA90 |
| Logan Shine | Master Builders of Iowa | Supporting | GA90 |
| Christopher Rants | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA90 |
| Justin Hupfer | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA90 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | GA90 |
| Christopher Rants | NECA - Iowa (NEC) | Undecided | GA90 |
| Justin Hupfer | NECA - Iowa (NEC) | Undecided | GA90 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Undecided | GA90 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Supporting | GA90 |
| Chloe Gayer | Professional Developers of Iowa (PDI) | Supporting | GA90 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Supporting | GA90 |
| Brad Epperly | Quad Cities Chamber of Commerce | Supporting | GA90 |
| Casey Nickel | Quad Cities Chamber of Commerce | Supporting | GA90 |
| Dustin Miller | Quad Cities Chamber of Commerce | Supporting | GA90 |
| Ryan Sempf | Quad Cities Chamber of Commerce | Supporting | GA90 |
| Ryan Sempf | Quad Cities Chamber of Commerce | Undecided | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |