| Kate Walton | City of Bettendorf | Undecided | GA90 |
| Madeleine Bradley | City of Bettendorf | Undecided | GA90 |
| Matt Eide | City of Bettendorf | Undecided | GA90 |
| Jon Murphy | City of Cedar Falls | Supporting | GA90 |
| Tom Cope | City of Cedar Falls | Supporting | GA90 |
| Gary Grant | City of Cedar Rapids | Undecided | GA90 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA90 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA90 |
| Michelle Johnson | Iowa Association of School Boards | Opposing | GA90 |
| Nick Laning | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Supporting | GA90 |
| Threase Harms | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Supporting | GA90 |
| Nick Laning | Iowa Chapter of the National Emergency Number Association (NENA) | Supporting | GA90 |
| Threase Harms | Iowa Chapter of the National Emergency Number Association (NENA) | Supporting | GA90 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA90 |
| Tom Ferguson | Iowa County Attorneys Association | Undecided | GA90 |
| Nick Laning | Iowa Emergency Management Association | Supporting | GA90 |
| Threase Harms | Iowa Emergency Management Association | Supporting | GA90 |
| Eric Goranson | Iowa Emergency Medical Services Association | Undecided | GA90 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Opposing | GA90 |
| Matt Gronewald | Iowa Farm Bureau Federation | Opposing | GA90 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Opposing | GA90 |
| Blake DeRouchey | Iowa Homeland Security & Emergency Management Div. | Undecided | 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 | Undecided | GA90 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA90 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA90 |
| William Peterson | Iowa State Association of Counties | Undecided | GA90 |
| Jamie Cashman | Iowa State Association of County Supervisors | Opposing | GA90 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA90 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Opposing | GA90 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA90 |
| Lucas Beenken | Iowa State Association of County Supervisors | Opposing | GA90 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA90 |
| William Peterson | Iowa State Association of County Supervisors | Opposing | GA90 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA90 |
| Dustin Johnson | Iowa State County Treasurers Association | Undecided | GA90 |
| Jake Highfill | Iowa State Sheriffs' & Deputies' Association | Undecided | GA90 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA90 |
| Tony Phillips | Iowa State Sheriffs' & Deputies' Association | Undecided | GA90 |
| Chris Hagenow | Iowans for Tax Relief | Opposing | GA90 |
| Victoria Sinclair | Iowans for Tax Relief | Opposing | GA90 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA90 |
| Andy Conlin | Mahaska County - Board of Supervisors | Opposing | GA90 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA90 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA90 |
| Troy Skinner | Marion County Board of Supervisors | Undecided | GA90 |
| Jake Highfill | Motorola Solutions, Inc. | Supporting | GA90 |
| Sydney Gangestad | Polk County - Board of Supervisors | Undecided | GA90 |
| Tim Coonan | Polk County - Board of Supervisors | Undecided | GA90 |
| John Hirl | Racom Corporation | Supporting | GA90 |
| Marc Beltrame | Racom Corporation | Supporting | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |