| Doug Struyk | Caesars Enterprise Services, LLC. | Undecided | GA87 |
| Jim Carney | Caesars Enterprise Services, LLC. | Undecided | GA87 |
| Shannon Henson | Caesars Enterprise Services, LLC. | Undecided | GA87 |
| Doug Struyk | Great River Entertainment | Undecided | GA87 |
| Jim Carney | Great River Entertainment | Undecided | GA87 |
| Shannon Henson | Great River Entertainment | Undecided | GA87 |
| Jon Moss | Horsemen's Benevolent and Protective Association (IHBPA) | Supporting | GA87 |
| Robert Weiser | Horsemen's Benevolent and Protective Association (IHBPA) | Supporting | GA87 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Supporting | GA87 |
| Wes Ehrecke | Iowa Gaming Association | Supporting | GA87 |
| Brice Oakley | Iowa Greyhound Association | Undecided | GA87 |
| Don Avenson | Iowa Greyhound Association | Undecided | GA87 |
| Tom Cope | Iowa Greyhound Association | Undecided | GA87 |
| John Pederson | Iowa Harness Horsemen's Association | Undecided | GA87 |
| Matt Eide | Iowa Harness Horsemen's Association | Undecided | GA87 |
| Sandra Conlin | Iowa Quarter Horse Racing Association | Supporting | GA87 |
| Brad Epperly | Isle of Capri Casinos, Inc. | Undecided | GA87 |
| Dustin Miller | Isle of Capri Casinos, Inc. | Undecided | GA87 |
| Paige Thorson | Isle of Capri Casinos, Inc. | Undecided | GA87 |
| Paula Dierenfeld | Isle of Capri Casinos, Inc. | Undecided | GA87 |
| Emily Piper | Piper Jaffray | Withdrawn | GA87 |
| Emily Piper | Piper Jaffray | Undecided | GA87 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA87 |
| Kellie Paschke | Prairie Meadows Racetrack and Casino | Supporting | GA87 |
| Troy Skinner | Prairie Meadows Racetrack and Casino | Supporting | GA87 |
| Angela Davis | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| Bill Wimmer | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| David Adelman | The Rasmussen Group | Supporting | GA87 |
| Frank Chiodo | The Rasmussen Group | Supporting | GA87 |
| Matt Hinch | The Rasmussen Group | Supporting | GA87 |
| Sara Allen | The Rasmussen Group | Supporting | GA87 |