| Daniel Zeno | American Civil Liberties Union of Iowa (ACLU-IA) | Undecided | GA87 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Undecided | GA87 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Undecided | GA87 |
| Chaney Yeast | Blank Childrens Hospital | Undecided | GA87 |
| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA87 |
| Katie Mulholland | Board of Regents, State of Iowa | Undecided | GA87 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA87 |
| Kristin Failor | Board of Regents, State of Iowa | Undecided | GA87 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA87 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA87 |
| Connor Slack | Brain Injury Alliance of Iowa | Undecided | GA87 |
| Dane Schumann | Brain Injury Alliance of Iowa | Undecided | GA87 |
| Emily Hockins | Brain Injury Alliance of Iowa | Undecided | GA87 |
| Threase Harms | Brain Injury Alliance of Iowa | Undecided | GA87 |
| Dane Schumann | Epilepsy Foundation Iowa | Supporting | GA87 |
| Emily Hockins | Epilepsy Foundation Iowa | Supporting | GA87 |
| Threase Harms | Epilepsy Foundation Iowa | Supporting | GA87 |
| Kellie Paschke | Greenwich Biosciences, Inc. | Undecided | GA87 |
| Troy Skinner | Greenwich Biosciences, Inc. | Undecided | GA87 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA87 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA87 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA87 |
| Susan Cameron Daemen | Iowa County Attorneys Association | Undecided | GA87 |
| Deborah Thompson | Iowa Dept. of Public Health | Undecided | GA87 |
| Amber Markham | Iowa Dept. of Public Safety | Undecided | GA87 |
| Karla Fultz McHenry | Iowa Independent Physician Group | Undecided | GA87 |
| Clare Kelly | Iowa Medical Society | Undecided | GA87 |
| Kate Strickler | Iowa Medical Society | Undecided | GA87 |
| Sandra Conlin | Iowa Medical Society | Undecided | GA87 |
| Jason Karimi | Iowa Patients For Medical Marijuana | Opposing | GA87 |
| Angela Davis | Iowa Pharmacy Association | Undecided | GA87 |
| Bill Wimmer | Iowa Pharmacy Association | Undecided | GA87 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA87 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA87 |
| Doug Struyk | Iowa Solar Energy Trade Association | Undecided | GA87 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA87 |
| Jim Carney | Iowa State Bar Association | Undecided | GA87 |
| Shannon Henson | Iowa State Bar Association | Undecided | GA87 |
| Mike Heller | Iowa State Police Association | Undecided | GA87 |
| Paula Feltner | Iowa State Police Association | Undecided | GA87 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Undecided | GA87 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA87 |
| Carl Olsen | Iowans for Medical Marijuana | Opposing | GA87 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA87 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA87 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA87 |
| Gary Grant | MH/DS of East Central Region | Undecided | GA87 |
| Larry Murphy | MH/DS of East Central Region | Undecided | GA87 |
| Meghan Malloy | MH/DS of East Central Region | Undecided | GA87 |
| Susan Fenton | Sensible Solutions | Undecided | GA87 |
| Karla Fultz McHenry | The Iowa Clinic, P.C. | Undecided | GA87 |
| R. Bruce Beeston | Veterans National Recovery Center | Undecided | GA87 |