| 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 |
| 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 |
| Kellie Paschke | Prairie Meadows Racetrack and Casino | Undecided | GA87 |
| Troy Skinner | Prairie Meadows Racetrack and Casino | Undecided | GA87 |
| BRITTANY LUMLEY | Wild Rose Entertainment, LLC | Undecided | GA87 |
| BRITTANY LUMLEY | Wild Rose Entertainment, LLC | Opposing | GA87 |
| Jeffrey Boeyink | Wild Rose Entertainment, LLC | Undecided | GA87 |
| Jeffrey Boeyink | Wild Rose Entertainment, LLC | Opposing | GA87 |