| Ryan Crane | American Cancer Society | Undecided | GA84 |
| Jennifer Kingland | Ameristar Casino, Inc. | Undecided | GA84 |
| Kimberly Haus | Ameristar Casino, Inc. | Undecided | GA84 |
| Susan Cameron Daemen | Ameristar Casino, Inc. | Undecided | GA84 |
| Jerry Fitzgerald | Boyd Gaming-Peninsula Gaming LLC & its subsidiaries Dubuque Diamond Jo & Diamond | Supporting | GA84 |
| Jerry Fitzgerald | Boyd Gaming-Peninsula Gaming LLC & its subsidiaries Dubuque Diamond Jo & Diamond | Undecided | GA84 |
| Maggie Smith-Fitzgerald | Boyd Gaming-Peninsula Gaming LLC & its subsidiaries Dubuque Diamond Jo & Diamond | Supporting | GA84 |
| Maggie Smith-Fitzgerald | Boyd Gaming-Peninsula Gaming LLC & its subsidiaries Dubuque Diamond Jo & Diamond | Undecided | GA84 |
| Mark Joyce | Boyd Gaming-Peninsula Gaming LLC & its subsidiaries Dubuque Diamond Jo & Diamond | Supporting | GA84 |
| Mark Joyce | Boyd Gaming-Peninsula Gaming LLC & its subsidiaries Dubuque Diamond Jo & Diamond | Undecided | GA84 |
| AJ Baker | Caesars Entertainment Operating Company, Inc. | Supporting | GA84 |
| George Appleby | Caesars Entertainment Operating Company, Inc. | Undecided | GA84 |
| Jennifer Tyler | Caesars Entertainment Operating Company, Inc. | Undecided | GA84 |
| Jim Carney | Caesars Entertainment Operating Company, Inc. | Undecided | GA84 |
| Gary Grant | City of Cedar Rapids | Undecided | GA84 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA84 |
| Matt Floyd | Concerned Christian Americans | Opposing | GA84 |
| Frank Chiodo | Grand Falls Casino and Resort | Supporting | GA84 |
| Ned Chiodo | Grand Falls Casino and Resort | Supporting | GA84 |
| Scott Newhard | Grand Falls Casino and Resort | Supporting | GA84 |
| George Appleby | Great River Entertainment | Supporting | GA84 |
| Jennifer Tyler | Great River Entertainment | Supporting | GA84 |
| Jim Carney | Great River Entertainment | Supporting | GA84 |
| Jim Obradovich | Heartland Greyhound Adoption | Undecided | GA84 |
| Daniel Weiser | Horsemen's Benevolent and Protective Assn. (IHBPA) | Undecided | GA84 |
| Robert Weiser | Horsemen's Benevolent and Protective Assn. (IHBPA) | Undecided | GA84 |
| NaomiSeaYoung Wittstruck | IA. Annual Conference of United Methodist Church | Opposing | GA84 |
| Larry Murphy | IA. Catholic Conference | Opposing | GA84 |
| Tom Chapman | IA. Catholic Conference | Opposing | GA84 |
| Beverly Zylstra | IA. Dept. of Inspections and Appeals | Undecided | GA84 |
| Ross Loder | IA. Dept. of Public Safety | Undecided | GA84 |
| Wes Ehrecke | IA. Gaming Assn. | Undecided | GA84 |
| Brice Oakley | IA. Greyhound Assn. | Undecided | GA84 |
| Don Avenson | IA. Greyhound Assn. | Undecided | GA84 |
| Tom Cope | IA. Greyhound Assn. | Undecided | GA84 |
| John Pederson | IA. Harness Horsemen's Assn. | Undecided | GA84 |
| Matt Eide | IA. Harness Horsemen's Assn. | Undecided | GA84 |
| Andrea Jansa | IA. Poker Network, LLC | Supporting | GA84 |
| Charles Larson | IA. Poker Network, LLC | Supporting | GA84 |
| Curtis Beason | IA. Poker Network, LLC | Supporting | GA84 |
| Susan Fenton | IA. Poker Network, LLC | Supporting | GA84 |
| Gary Grant | IA. Police Chief Assn. (FKA IA. Police Executive Forum) | Undecided | GA84 |
| Larry Murphy | IA. Police Chief Assn. (FKA IA. Police Executive Forum) | Undecided | GA84 |
| Brad Epperly | Isle of Capri Casinos, Inc. | Supporting | GA84 |
| Brad Epperly | Isle of Capri Casinos, Inc. | Undecided | GA84 |
| Keith Luchtel | Isle of Capri Casinos, Inc. | Supporting | GA84 |
| Keith Luchtel | Isle of Capri Casinos, Inc. | Undecided | GA84 |
| Paula Dierenfeld | Isle of Capri Casinos, Inc. | Supporting | GA84 |
| Paula Dierenfeld | Isle of Capri Casinos, Inc. | Undecided | GA84 |
| Scott Sundstrom | Isle of Capri Casinos, Inc. | Supporting | GA84 |
| Scott Sundstrom | Isle of Capri Casinos, Inc. | Undecided | GA84 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA84 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA84 |
| Chad Kleppe | Master Builders of IA | Undecided | GA84 |
| Bill Wimmer | Mystique Casino | Undecided | GA84 |
| Craig Schoenfeld | Mystique Casino | Undecided | GA84 |
| Mike Heller | Penn National Gaming, Inc. | Undecided | GA84 |
| Paula Feltner | Penn National Gaming, Inc. | Undecided | GA84 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA84 |
| Jamie Cashman | Polk County - Board of Supervisors | Undecided | GA84 |
| Kellie Paschke | Prairie Meadows Racetrack and Casino | Supporting | GA84 |
| Lynette Rasmussen | Prairie Meadows Racetrack and Casino | Supporting | GA84 |
| Troy Skinner | Prairie Meadows Racetrack and Casino | Supporting | GA84 |
| Frank Chiodo | Riverside Casino And Golf Resort | Supporting | GA84 |
| Ned Chiodo | Riverside Casino And Golf Resort | Supporting | GA84 |
| Scott Newhard | Riverside Casino And Golf Resort | Supporting | GA84 |
| Adam Gregg | Scientific Games International | Undecided | GA84 |
| Marc Beltrame | Scientific Games International | Undecided | GA84 |
| Chuck Hurley | The Family Leader Foundation | Opposing | GA84 |
| Danny Carroll | The Family Leader Foundation | Opposing | GA84 |
| Frank Chiodo | USDG, Inc. | Supporting | GA84 |
| Ned Chiodo | USDG, Inc. | Supporting | GA84 |
| Scott Newhard | USDG, Inc. | Supporting | GA84 |
| Ed Failor | Wild Rose Entertainment, LLC | Supporting | GA84 |
| F. Thornton | Wild Rose Entertainment, LLC | Supporting | GA84 |