| Sydney Gangestad | Everytown for Gun Safety Action Fund | Undecided | GA88 |
| Tim Coonan | Everytown for Gun Safety Action Fund | Undecided | GA88 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Undecided | GA88 |
| Mike Heller | Iowa Academy of Trial Lawyers | Opposing | GA88 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Opposing | GA88 |
| Mike Heller | Iowa Association of Magistrate Judges | Undecided | GA88 |
| Paula Feltner | Iowa Association of Magistrate Judges | Undecided | GA88 |
| Chandlor Collins | Iowa Dept. of Public Safety | Undecided | GA88 |
| Richard Rogers | Iowa Firearms Coalition, Inc. | Supporting | GA88 |
| Robert Ussery | Iowa Minuteman Civil Defense Corps | Supporting | GA88 |
| Kellie Paschke | Iowa Peace Officers Association | Undecided | GA88 |
| Troy Skinner | Iowa Peace Officers Association | Undecided | GA88 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA88 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA88 |
| Meghan Malloy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA88 |
| William Peterson | Iowa State Association of Counties | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA88 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA88 |
| Mike Heller | Iowa State Police Association | Undecided | GA88 |
| Paula Feltner | Iowa State Police Association | Undecided | GA88 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Undecided | GA88 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA88 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA88 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA88 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA88 |
| Gary Grant | Urban County Coalition | Undecided | GA88 |
| Larry Murphy | Urban County Coalition | Undecided | GA88 |
| Meghan Malloy | Urban County Coalition | Undecided | GA88 |