| Jon Murphy | American Planning Association Iowa Chapter | Supporting | GA90 |
| Steven Van Steenhuyse | American Planning Association Iowa Chapter | Supporting | GA90 |
| Tom Cope | American Planning Association Iowa Chapter | Supporting | GA90 |
| Brad Epperly | Ames Regional Economic Alliance | Undecided | GA90 |
| Dustin Miller | Ames Regional Economic Alliance | Undecided | GA90 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Kate Walton | City of Bettendorf | Undecided | GA90 |
| Madeleine Bradley | City of Bettendorf | Undecided | GA90 |
| Matt Eide | City of Bettendorf | Undecided | GA90 |
| Gary Grant | City of Cedar Rapids | Undecided | GA90 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA90 |
| Doug Struyk | City of Des Moines | Supporting | GA90 |
| Emilee Harris-Puricelli | City of Des Moines | Supporting | GA90 |
| Jen Schulte | City of Des Moines | Supporting | GA90 |
| Jennifer Dorman | City of Des Moines | Supporting | GA90 |
| Jim Carney | City of Des Moines | Supporting | GA90 |
| Doug Struyk | City of Iowa City | Supporting | GA90 |
| Jennifer Dorman | City of Iowa City | Supporting | GA90 |
| Jim Carney | City of Iowa City | Supporting | GA90 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Supporting | GA90 |
| Joseph Buffington | County Planning and Zoning Officials of Iowa | Supporting | GA90 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Supporting | GA90 |
| Rachel Ong | Greater Des Moines Habitat for Humanity | Supporting | GA90 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA90 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA90 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA90 |
| Kate Walton | Grow Clinton County | Undecided | GA90 |
| Madeleine Bradley | Grow Clinton County | Undecided | GA90 |
| Matt Eide | Grow Clinton County | Undecided | GA90 |
| Eric Goranson | Habitat for Humanity of Iowa | Supporting | GA90 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA90 |
| Jon Murphy | Iowa Association of Councils of Governments | Supporting | GA90 |
| Tom Cope | Iowa Association of Councils of Governments | Supporting | GA90 |
| Greta Haas | Iowa Association of Realtors | Supporting | GA90 |
| Jennifer Kingland | Iowa Association of Realtors | Supporting | GA90 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA90 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | 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 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA90 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA90 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA90 |
| William Peterson | Iowa State Association of Counties | Supporting | GA90 |
| Jamie Cashman | Iowa State Association of County Supervisors | Supporting | GA90 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Supporting | GA90 |
| Lucas Beenken | Iowa State Association of County Supervisors | Supporting | GA90 |
| William Peterson | Iowa State Association of County Supervisors | Supporting | GA90 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA90 |
| John Hall | Marshalltown Area Chamber of Commerce | Undecided | GA90 |
| Ben Hammes | Master Builders of Iowa | Supporting | GA90 |
| Julie Smith | Master Builders of Iowa | Supporting | GA90 |
| David Adelman | Metropolitan Coalition | Supporting | GA90 |
| Frank Chiodo | Metropolitan Coalition | Supporting | GA90 |
| Lillie Brady | Metropolitan Coalition | Supporting | GA90 |
| Matt Hinch | Metropolitan Coalition | Supporting | GA90 |
| Sara Allen | Metropolitan Coalition | Supporting | GA90 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Supporting | GA90 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Supporting | GA90 |
| Brad Epperly | Quad Cities Chamber of Commerce | Undecided | GA90 |
| Dustin Miller | Quad Cities Chamber of Commerce | Undecided | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |
| Doug Struyk | Wells Fargo & Company | Supporting | GA90 |
| Jennifer Dorman | Wells Fargo & Company | Supporting | GA90 |
| Jim Carney | Wells Fargo & Company | Supporting | GA90 |