| Daniel Zeno | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA87 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA87 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | 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 | Supporting | GA87 |
| Dane Schumann | Brain Injury Alliance of Iowa | Supporting | GA87 |
| Emily Hockins | Brain Injury Alliance of Iowa | Supporting | GA87 |
| Threase Harms | Brain Injury Alliance of Iowa | Supporting | GA87 |
| Connor Slack | CHAIN | Supporting | GA87 |
| Dane Schumann | CHAIN | Supporting | GA87 |
| Emily Hockins | CHAIN | Supporting | GA87 |
| Threase Harms | CHAIN | Supporting | GA87 |
| Kimberly Haus | Drug Policy Alliance | Supporting | GA87 |
| Connor Slack | Easter Seals Iowa | Supporting | GA87 |
| Dane Schumann | Easter Seals Iowa | Supporting | GA87 |
| Emily Hockins | Easter Seals Iowa | Supporting | GA87 |
| Threase Harms | Easter Seals Iowa | Supporting | GA87 |
| Connor Slack | Epilepsy Foundation Iowa | Supporting | GA87 |
| Dane Schumann | Epilepsy Foundation Iowa | Supporting | GA87 |
| Emily Hockins | Epilepsy Foundation Iowa | Supporting | GA87 |
| Threase Harms | Epilepsy Foundation Iowa | Supporting | GA87 |
| Dale Woolery | Governors Office of Drug Control Policy | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Opposing | GA87 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Opposing | GA87 |
| Kelly Meyers | Iowa County Attorneys Association | Opposing | GA87 |
| Susan Cameron Daemen | Iowa County Attorneys Association | Opposing | GA87 |
| Amber Markham | Iowa Dept. of Public Safety | Undecided | GA87 |
| Jim Obradovich | Iowa Nurses Association | Opposing | GA87 |
| Robert Mulqueen | Iowa Nurses Association | Opposing | GA87 |
| Jason Karimi | Iowa Patients For Medical Marijuana | Supporting | GA87 |
| Kellie Paschke | Iowa Peace Officers Association | Opposing | GA87 |
| Troy Skinner | Iowa Peace Officers Association | Opposing | GA87 |
| Angela Davis | Iowa Pharmacy Association | Opposing | GA87 |
| Bill Wimmer | Iowa Pharmacy Association | Opposing | GA87 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Opposing | GA87 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Opposing | 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 | Opposing | GA87 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Opposing | GA87 |
| Tom Duncan | Iowans For Safe Access | Supporting | GA87 |
| Carl Olsen | Iowans for Medical Marijuana | Supporting | 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 |
| Dane Schumann | MedCara | Supporting | GA87 |
| Dane Schumann | MedCara | Undecided | GA87 |
| Emily Hockins | MedCara | Supporting | GA87 |
| Emily Hockins | MedCara | Undecided | GA87 |
| Lon Anderson | MedCara | Undecided | GA87 |
| Threase Harms | MedCara | Supporting | GA87 |
| Threase Harms | MedCara | Undecided | GA87 |
| Dane Schumann | MedPharm Iowa | Supporting | GA87 |
| Emily Hockins | MedPharm Iowa | Supporting | GA87 |
| Threase Harms | MedPharm Iowa | Supporting | GA87 |
| Connor Slack | National Multiple Sclerosis Society-Upper Midwest Chapter | Supporting | GA87 |
| Dane Schumann | National Multiple Sclerosis Society-Upper Midwest Chapter | Supporting | GA87 |
| Emily Hockins | National Multiple Sclerosis Society-Upper Midwest Chapter | Supporting | GA87 |
| Threase Harms | National Multiple Sclerosis Society-Upper Midwest Chapter | Supporting | GA87 |
| John Cacciatore | Polk County Medical Society | Undecided | GA87 |
| Lon Anderson | Polk County Medical Society | Undecided | GA87 |
| Gary Grant | Resources for Human Development | Undecided | GA87 |
| Gary Grant | Resources for Human Development | Withdrawn | GA87 |
| Gary Grant | Resources for Human Development | Supporting | GA87 |
| Larry Murphy | Resources for Human Development | Undecided | GA87 |
| Larry Murphy | Resources for Human Development | Withdrawn | GA87 |
| Larry Murphy | Resources for Human Development | Supporting | GA87 |
| Meghan Malloy | Resources for Human Development | Undecided | GA87 |
| Meghan Malloy | Resources for Human Development | Withdrawn | GA87 |
| Meghan Malloy | Resources for Human Development | Supporting | GA87 |
| Gary Grant | Urban County Coalition | Undecided | GA87 |
| Larry Murphy | Urban County Coalition | Undecided | GA87 |
| Meghan Malloy | Urban County Coalition | Undecided | GA87 |
| R. Bruce Beeston | Veterans National Recovery Center | Supporting | GA87 |