| Daniel Zeno | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA88 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA88 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA88 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA88 |
| Kate Walton | City of Cedar Falls | Undecided | GA88 |
| Matt Eide | City of Cedar Falls | Undecided | GA88 |
| Gary Grant | City of Cedar Rapids | Opposing | GA88 |
| Larry Murphy | City of Cedar Rapids | Opposing | GA88 |
| Meghan Malloy | City of Cedar Rapids | Opposing | GA88 |
| Alex Hassel | City of Des Moines | Opposing | GA88 |
| Doug Struyk | City of Des Moines | Opposing | GA88 |
| Jen Schulte | City of Des Moines | Opposing | GA88 |
| Jennifer Dorman | City of Des Moines | Opposing | GA88 |
| Jim Carney | City of Des Moines | Opposing | 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 |
| 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 |
| 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 |
| Mike Heller | Iowa State Police Association | Undecided | GA88 |
| Paula Feltner | Iowa State Police Association | Undecided | GA88 |
| David Adelman | Metropolitan Coalition | Opposing | GA88 |
| Frank Chiodo | Metropolitan Coalition | Opposing | GA88 |
| Matt Hinch | Metropolitan Coalition | Opposing | GA88 |
| Sara Allen | Metropolitan Coalition | Opposing | GA88 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA88 |
| Craig Walter | Polk County - Board of Supervisors | Undecided | GA88 |
| Robert Weiser | Redflex Traffic Systems, Inc. | Undecided | GA88 |
| Katie Hall | Sensys Gatso | Opposing | GA88 |
| Mike St. Clair | Sensys Gatso | Opposing | GA88 |
| David Adelman | Verra Mobility | Opposing | GA88 |
| Frank Chiodo | Verra Mobility | Opposing | GA88 |
| Matt Hinch | Verra Mobility | Opposing | GA88 |
| Sara Allen | Verra Mobility | Opposing | GA88 |