| Doug Struyk | Caesars Enterprise Services, LLC. | Undecided | GA87 |
| Jennifer Dorman | Caesars Enterprise Services, LLC. | Undecided | GA87 |
| Jim Carney | Caesars Enterprise Services, LLC. | Undecided | GA87 |
| Doug Struyk | Great River Entertainment | Undecided | GA87 |
| Jennifer Dorman | Great River Entertainment | Undecided | GA87 |
| Jim Carney | Great River Entertainment | Undecided | GA87 |
| Jon Moss | Horsemen's Benevolent and Protective Association (IHBPA) | Supporting | GA87 |
| Mike Rozenboom | 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 | Undecided | GA87 |
| Wes Ehrecke | Iowa Gaming Association | Undecided | GA87 |
| Tom Cope | Iowa Greyhound Association | Undecided | GA87 |
| Kate Walton | Iowa Harness Horsemen's Association | Supporting | GA87 |
| Matt Eide | Iowa Harness Horsemen's Association | Supporting | GA87 |
| Sandra Conlin | Iowa Quarter Horse Racing Association | Supporting | GA87 |
| Kimberly Haus | Pinnacle Entertainment/Ameristar Casino | Undecided | GA87 |
| Susan Cameron Daemen | Pinnacle Entertainment/Ameristar Casino | Undecided | GA87 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA87 |
| Craig Walter | Polk County - Board of Supervisors | Undecided | GA87 |
| Kellie Paschke | Prairie Meadows Racetrack and Casino | Supporting | GA87 |
| Kellie Paschke | Prairie Meadows Racetrack and Casino | Undecided | GA87 |
| Troy Skinner | Prairie Meadows Racetrack and Casino | Supporting | GA87 |
| Troy Skinner | Prairie Meadows Racetrack and Casino | Undecided | GA87 |