| Melissa Speed | AFSCME Council 61 | Opposing | GA91 |
| Michael Triplett | Black Hawk County Gaming Association | Supporting | GA91 |
| Mark Joyce | Boyd Gaming & Dubuque Diamond Jo & Diamond Jo Worth | Supporting | GA91 |
| Clara Wulfsen | Caesars Enterprise Services, LLC. | Supporting | GA91 |
| Doug Struyk | Caesars Enterprise Services, LLC. | Supporting | GA91 |
| Jennifer Dorman | Caesars Enterprise Services, LLC. | Supporting | GA91 |
| Jim Carney | Caesars Enterprise Services, LLC. | Supporting | GA91 |
| Bill Dix | Cedar Rapids Development Group LLC | Opposing | GA91 |
| Jacob Schrader | Cedar Rapids Development Group LLC | Opposing | GA91 |
| Jeff Smith | Cedar Rapids Development Group LLC | Opposing | GA91 |
| Logan Murray | Cedar Rapids Development Group LLC | Opposing | GA91 |
| Maggie Smith-Fitzgerald | Cedar Rapids Development Group LLC | Opposing | GA91 |
| Matt Fitzgerald | Cedar Rapids Development Group LLC | Opposing | GA91 |
| Mike Heller | Cedar Rapids Development Group LLC | Opposing | GA91 |
| RG Schwarm | Cedar Rapids Development Group LLC | Opposing | GA91 |
| Sydney Gangestad | Cedar Rapids Development Group LLC | Opposing | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Opposing | GA91 |
| Gary Grant | City of Cedar Rapids | Opposing | GA91 |
| Larry Murphy | City of Cedar Rapids | Opposing | GA91 |
| Clare Gill | Dubuque Area Chamber of Commerce | Supporting | GA91 |
| David Adelman | Elite Casino Resorts, LLC | Supporting | GA91 |
| Frank Chiodo | Elite Casino Resorts, LLC | Supporting | GA91 |
| Matt Hinch | Elite Casino Resorts, LLC | Supporting | GA91 |
| Paige Thorson | Elite Casino Resorts, LLC | Supporting | GA91 |
| Sandra Conlin | Elite Casino Resorts, LLC | Supporting | GA91 |
| Sara Allen | Elite Casino Resorts, LLC | Supporting | GA91 |
| Scott Newhard | Elite Casino Resorts, LLC | Supporting | GA91 |
| Clara Wulfsen | Great River Entertainment | Supporting | GA91 |
| Doug Struyk | Great River Entertainment | Supporting | GA91 |
| Jennifer Dorman | Great River Entertainment | Supporting | GA91 |
| Jim Carney | Great River Entertainment | Supporting | GA91 |
| BRITTANY LUMLEY | Horsemen's Benevolent and Protective Association (IHBPA) | Supporting | GA91 |
| Courtney Craig | Horsemen's Benevolent and Protective Association (IHBPA) | Supporting | GA91 |
| Elliott Meyer | Horsemen's Benevolent and Protective Association (IHBPA) | Supporting | GA91 |
| Jeffrey Boeyink | Horsemen's Benevolent and Protective Association (IHBPA) | Supporting | 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 |
| Sara Throener | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Sarah Vanderploeg | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA91 |
| Mary Earnhardt | Iowa Gaming Association | Supporting | GA91 |
| Wes Ehrecke | Iowa Gaming Association | Supporting | GA91 |
| Sandra Conlin | Iowa Quarter Horse Racing Association | Supporting | GA91 |
| Jon Murphy | Iowa State Building and Construction Trades | Opposing | GA91 |
| Tom Cope | Iowa State Building and Construction Trades | Opposing | GA91 |
| Dylan Gramlich | Laborers International Union of North America | Opposing | GA91 |
| Gary Grant | Linn County Board of Supervisors | Opposing | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Opposing | GA91 |
| Ben Hammes | Master Builders of Iowa | Opposing | GA91 |
| Logan Shine | Master Builders of Iowa | Opposing | GA91 |
| Dane Schumann | Mid-American Carpenters Regional Council | Opposing | GA91 |
| Jake Highfill | Penn Entertainment/Ameristar | Supporting | GA91 |
| Tony Phillips | Penn Entertainment/Ameristar | Supporting | GA91 |
| Kellie Paschke | Prairie Meadows Racetrack and Casino | Supporting | GA91 |
| Kelly Meyers | Prairie Meadows Racetrack and Casino | Supporting | GA91 |
| David Adelman | Q Casino | Supporting | GA91 |
| Frank Chiodo | Q Casino | Supporting | GA91 |
| Matt Hinch | Q Casino | Supporting | GA91 |
| Paige Thorson | Q Casino | Supporting | GA91 |
| Sara Allen | Q Casino | Supporting | GA91 |
| David Adelman | Sac & Fox Tribe of the Mississippi in Iowa | Supporting | GA91 |
| Frank Chiodo | Sac & Fox Tribe of the Mississippi in Iowa | Supporting | GA91 |
| Matt Hinch | Sac & Fox Tribe of the Mississippi in Iowa | Supporting | GA91 |
| Paige Thorson | Sac & Fox Tribe of the Mississippi in Iowa | Supporting | GA91 |
| Sara Allen | Sac & Fox Tribe of the Mississippi in Iowa | Supporting | GA91 |
| David Adelman | The Rasmussen Group | Supporting | GA91 |
| Frank Chiodo | The Rasmussen Group | Supporting | GA91 |
| Matt Hinch | The Rasmussen Group | Supporting | GA91 |
| Paige Thorson | The Rasmussen Group | Supporting | GA91 |
| Sara Allen | The Rasmussen Group | Supporting | GA91 |
| Scott Newhard | The Rasmussen Group | Supporting | GA91 |
| BRITTANY LUMLEY | Wild Rose Entertainment, LLC | Supporting | GA91 |
| Courtney Craig | Wild Rose Entertainment, LLC | Supporting | GA91 |
| Elliott Meyer | Wild Rose Entertainment, LLC | Supporting | GA91 |
| Jeffrey Boeyink | Wild Rose Entertainment, LLC | Supporting | GA91 |