| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Alex Hassel | City of Des Moines | Supporting | GA89 |
| Doug Struyk | City of Des Moines | Supporting | GA89 |
| Jen Schulte | City of Des Moines | Supporting | GA89 |
| Jennifer Dorman | City of Des Moines | Supporting | GA89 |
| Jim Carney | City of Des Moines | Supporting | GA89 |
| Doug Struyk | City of Iowa City | Supporting | GA89 |
| Jennifer Dorman | City of Iowa City | Supporting | GA89 |
| Jim Carney | City of Iowa City | Supporting | GA89 |
| Nicholas Dreeszen | Families United Action Network (FUAN) | Supporting | GA89 |
| Ryan Rupe | Families United Action Network (FUAN) | Supporting | GA89 |
| Dale Woolery | Governors Office of Drug Control Policy | Undecided | GA89 |
| Susie Sher | Governors Office of Drug Control Policy | Undecided | GA89 |
| Brad Lint | Iowa Association for Justice | Supporting | GA89 |
| Lisa Davis-Cook | Iowa Association for Justice | Supporting | GA89 |
| Lynn Hicks | Iowa Attorney General Dept. of Justice | Supporting | GA89 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA89 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA89 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA89 |
| Sarah Jennings | Iowa Dept. of Public Safety | Undecided | GA89 |
| R. Bruce Beeston | Iowa Hemp Industries Association | Supporting | GA89 |
| Leslie Carpenter | Iowa Mental Health Advocacy | Supporting | GA89 |
| Carl Olsen | Iowa NORML | Supporting | GA89 |
| Kellie Paschke | Iowa Peace Officers Association | Undecided | GA89 |
| Kelly Meyers | Iowa Peace Officers Association | Undecided | GA89 |
| Logan Murray | Iowa Peace Officers Association | Undecided | GA89 |
| Troy Skinner | Iowa Peace Officers Association | Undecided | GA89 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA89 |
| Meghan Malloy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA89 |
| Doug Struyk | Iowa State Bar Association | Supporting | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Supporting | GA89 |
| Jim Carney | Iowa State Bar Association | Supporting | GA89 |
| Carl Olsen | Iowans for Medical Marijuana | Supporting | GA89 |
| Dane Schumann | MedPharm Iowa | Undecided | GA89 |
| R. Bruce Beeston | Veterans National Recovery Center | Supporting | GA89 |