| Drew Klein | Americans For Prosperity | Supporting | GA88 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA88 |
| Jon Murphy | City of Cedar Falls | Undecided | GA88 |
| Tom Cope | City of Cedar Falls | Undecided | GA88 |
| Gary Grant | City of Cedar Rapids | Undecided | GA88 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA88 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA88 |
| Jon Murphy | City of Coralville | Undecided | GA88 |
| Tom Cope | City of Coralville | Undecided | GA88 |
| Julie Smith | City of West Des Moines | Undecided | GA88 |
| Sydney Gangestad | City of West Des Moines | Undecided | GA88 |
| Tim Coonan | City of West Des Moines | Undecided | GA88 |
| Joseph Buffington | County Planning and Zoning Officials of Iowa | Undecided | GA88 |
| Jim Obradovich | County Zoning Officials Organiztion | Undecided | GA88 |
| Pete McRoberts | County Zoning Officials Organiztion | Undecided | GA88 |
| Robert Mulqueen | County Zoning Officials Organiztion | Undecided | GA88 |
| Maddie Wilcox | Grow Clinton County | Undecided | GA88 |
| Threase Harms | Grow Clinton County | Undecided | GA88 |
| Jim Obradovich | Iowa Association of Building Officials | Undecided | GA88 |
| Pete McRoberts | Iowa Association of Building Officials | Undecided | GA88 |
| Robert Mulqueen | Iowa Association of Building Officials | Undecided | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA88 |
| Maddie Wilcox | Iowa Farmers Union | Undecided | GA88 |
| Threase Harms | Iowa Farmers Union | Undecided | GA88 |
| Alan Kemp | Iowa League of Cities | Opposing | GA88 |
| Daniel Stalder | Iowa League of Cities | Opposing | GA88 |
| Robert Palmer | Iowa League of Cities | Opposing | GA88 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA88 |
| Kristi Harshbarger | Iowa State Association of Counties | Opposing | GA88 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA88 |
| William Peterson | Iowa State Association of Counties | Opposing | GA88 |
| Jamie Cashman | Iowa State Association of County Supervisors | Opposing | GA88 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Opposing | GA88 |
| Lucas Beenken | Iowa State Association of County Supervisors | Opposing | GA88 |
| William Peterson | Iowa State Association of County Supervisors | Opposing | GA88 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA88 |