| Melissa Speed | AFSCME Council 61 | Supporting | GA91 |
| Melissa Speed | AFSCME Council 61 | Opposing | GA91 |
| Jackie Cale | American Cancer Society Cancer Action Network (ACS CAN) | Supporting | GA91 |
| John Cacciatore | American Heart Association | Supporting | GA91 |
| Justin Hupfer | American Heart Association | Supporting | GA91 |
| Lon Anderson | American Heart Association | Supporting | GA91 |
| Stacy Frelund | American Heart Association | Supporting | GA91 |
| Kristina Hamilton | American Lung Association | Supporting | GA91 |
| Traci Kennedy | Americans for Nonsmokers' Rights | Supporting | GA91 |
| Mark Joyce | Boyd Gaming & Dubuque Diamond Jo & Diamond Jo Worth | Opposing | GA91 |
| Nick Laning | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Supporting | GA91 |
| Noah Hackbart | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Supporting | GA91 |
| Threase Harms | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Supporting | GA91 |
| Clara Wulfsen | Caesars Enterprise Services, LLC. | Opposing | GA91 |
| Doug Struyk | Caesars Enterprise Services, LLC. | Opposing | GA91 |
| Jennifer Dorman | Caesars Enterprise Services, LLC. | Opposing | GA91 |
| Jim Carney | Caesars Enterprise Services, LLC. | Opposing | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Matt McKinney | Churchill Downs Incorporated | Opposing | GA91 |
| Jacob Schrader | Cigar Association of America, Inc. | Opposing | GA91 |
| Logan Murray | Cigar Association of America, Inc. | Opposing | GA91 |
| Sydney Gangestad | Cigar Association of America, Inc. | Opposing | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| David Adelman | Elite Casino Resorts, LLC | Undecided | GA91 |
| Frank Chiodo | Elite Casino Resorts, LLC | Undecided | GA91 |
| Matt Hinch | Elite Casino Resorts, LLC | Undecided | GA91 |
| Paige Thorson | Elite Casino Resorts, LLC | Undecided | GA91 |
| Sara Allen | Elite Casino Resorts, LLC | Undecided | GA91 |
| Scott Newhard | Elite Casino Resorts, LLC | Undecided | GA91 |
| Clara Wulfsen | Great River Entertainment | Opposing | GA91 |
| Doug Struyk | Great River Entertainment | Opposing | GA91 |
| Jennifer Dorman | Great River Entertainment | Opposing | GA91 |
| Jim Carney | Great River Entertainment | Opposing | GA91 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Supporting | GA91 |
| Chloe Gayer | Iowa Behavioral Health Association (IBHA) | Supporting | GA91 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Supporting | GA91 |
| Jessica Seelinger | Iowa Behavioral Health Association (IBHA) | Supporting | GA91 |
| Sara Throener | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Sarah Vanderploeg | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Mary Earnhardt | Iowa Gaming Association | Opposing | GA91 |
| Madeleine Bradley | Iowa Public Health Association | Supporting | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Supporting | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA91 |
| Kate Walton | Iowa West Racing Association | Undecided | GA91 |
| Madeleine Bradley | Iowa West Racing Association | Undecided | GA91 |
| Matt Eide | Iowa West Racing Association | Undecided | GA91 |
| Michael Triplett | Iowa West Racing Association | Undecided | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Jake Highfill | Penn Entertainment/Ameristar | Opposing | GA91 |
| Tony Phillips | Penn Entertainment/Ameristar | Opposing | GA91 |
| Kellie Paschke | Prairie Meadows Racetrack and Casino | Undecided | GA91 |
| Kelly Meyers | Prairie Meadows Racetrack and Casino | Undecided | GA91 |
| David Adelman | Q Casino | Undecided | GA91 |
| Frank Chiodo | Q Casino | Undecided | GA91 |
| Matt Hinch | Q Casino | Undecided | GA91 |
| Paige Thorson | Q Casino | Undecided | GA91 |
| Sara Allen | Q Casino | Undecided | GA91 |