| Gary Grant | City of Cedar Rapids | Undecided | GA90 |
| Larry Murphy | City of Cedar Rapids | Undecided | 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 Emergency Management Association | Undecided | GA90 |
| Threase Harms | Iowa Emergency Management Association | Undecided | GA90 |
| Eric Goranson | Iowa Emergency Medical Services Association | Supporting | GA90 |
| Cyndi Pederson | Iowa Firefighters Association (IFA) | Supporting | GA90 |
| Elizabeth Crimmings | Iowa Firefighters Association (IFA) | Supporting | GA90 |
| John Pederson | Iowa Firefighters Association (IFA) | Supporting | GA90 |
| Alan Kemp | Iowa League of Cities | Undecided | GA90 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA90 |
| Robert Palmer | Iowa League of Cities | Undecided | GA90 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA90 |
| Mike Heller | Iowa State Association of Assessors | Undecided | 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 | Undecided | GA90 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA90 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA90 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA90 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA90 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA90 |
| Jim Carney | Iowa State Bar Association | Undecided | GA90 |
| Amy Campbell | Iowa State Reserve Law Officers Association | Supporting | GA90 |
| Craig Patterson | Iowa State Reserve Law Officers Association | Supporting | GA90 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | 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 |
| Gary Grant | Urban County Coalition | Opposing | GA90 |
| Larry Murphy | Urban County Coalition | Opposing | GA90 |