| Bill Dix | Botanicals for Better Health and Wellness | Opposing | GA91 |
| Justin Hupfer | Botanicals for Better Health and Wellness | Opposing | GA91 |
| Lon Anderson | Botanicals for Better Health and Wellness | Opposing | GA91 |
| Carl Olsen | Ethiopian Zion Coptic Church | Undecided | GA91 |
| David Peck | FUELIowa (PMCI) | Undecided | GA91 |
| Marc Beltrame | FUELIowa (PMCI) | Undecided | GA91 |
| Kelsey Schott | Holistic Alternative Recovery Trust, Inc. | Opposing | GA91 |
| Matt McKinney | Holistic Alternative Recovery Trust, Inc. | Opposing | GA91 |
| RG Schwarm | Holistic Alternative Recovery Trust, Inc. | Opposing | GA91 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Supporting | GA91 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA91 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Supporting | GA91 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA91 |
| Renee Schulte | Iowa Board of Parole | Undecided | GA91 |
| Seth Brown | Iowa Chapter-American Academy of Pediatrics | Supporting | GA91 |
| David Adelman | Iowa County Attorneys Association | Supporting | GA91 |
| Frank Chiodo | Iowa County Attorneys Association | Supporting | GA91 |
| Paige Thorson | Iowa County Attorneys Association | Supporting | GA91 |
| Sara Allen | Iowa County Attorneys Association | Supporting | GA91 |
| Sara Throener | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Sarah Vanderploeg | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Jen Rathje | Iowa Dept. of Corrections | Undecided | GA91 |
| Paul Cornelius | Iowa Dept. of Corrections | Undecided | GA91 |
| Shannon Archer | Iowa Dept. of Corrections | Undecided | GA91 |
| Josie Wagler | Iowa Dept. of Public Safety | Undecided | GA91 |
| Phil Jeneary | Iowa HEMP Coalition | Undecided | GA91 |
| Teresa Bomhoff | Iowa Integrated Health Planning and Advisory Council | Supporting | GA91 |
| Clair Lewis | Iowa Medical Society | Supporting | GA91 |
| Kate Walton | Iowa Medical Society | Supporting | GA91 |
| Matt Eide | Iowa Medical Society | Supporting | GA91 |
| Seth Brown | Iowa Medical Society | Supporting | GA91 |
| Leslie Carpenter | Iowa Mental Health Advocacy | Undecided | GA91 |
| Karl Schilling | Iowa Organization for Victim Assistance | Undecided | GA91 |
| Clair Lewis | Iowa Pharmacy Association | Undecided | GA91 |
| Kate Walton | Iowa Pharmacy Association | Undecided | GA91 |
| Matt Eide | Iowa Pharmacy Association | Undecided | GA91 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Supporting | GA91 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Withdrawn | GA91 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA91 |
| Jake Highfill | Iowa State Sheriffs' & Deputies' Association | Supporting | GA91 |
| Tony Phillips | Iowa State Sheriffs' & Deputies' Association | Supporting | GA91 |
| Carl Olsen | Iowans for Medical Marijuana | Undecided | GA91 |
| Katie Hall | Katie Hall | Supporting | GA91 |
| Karl Schilling | Soaring Hearts | Undecided | GA91 |