| AJ Baker | Caesars Enterprise Services, LLC. | Supporting | GA88 |
| Doug Struyk | Caesars Enterprise Services, LLC. | Supporting | GA88 |
| Jennifer Dorman | Caesars Enterprise Services, LLC. | Supporting | GA88 |
| Jim Carney | Caesars Enterprise Services, LLC. | Supporting | GA88 |
| Clara Wulfsen | Department of Revenue | Undecided | GA88 |
| Tim Reilly | Department of Revenue | Undecided | GA88 |
| David Adelman | Elite Casino Resorts, LLC | Supporting | GA88 |
| Frank Chiodo | Elite Casino Resorts, LLC | Supporting | GA88 |
| Matt Hinch | Elite Casino Resorts, LLC | Supporting | GA88 |
| Sara Allen | Elite Casino Resorts, LLC | Supporting | GA88 |
| Doug Struyk | Great River Entertainment | Supporting | GA88 |
| Jennifer Dorman | Great River Entertainment | Supporting | GA88 |
| Jim Carney | Great River Entertainment | Supporting | GA88 |
| Carrie Malone | Iowa Dept. of Human Services | Undecided | GA88 |
| Mary Neubauer | Iowa Lottery Authority | Undecided | GA88 |
| Megan Tooker | Iowa Lottery Authority | Undecided | GA88 |
| Brian Johnson | Iowa West Racing Association | Undecided | GA88 |
| Craig Walter | Iowa West Racing Association | Undecided | GA88 |
| Kate Walton | Iowa West Racing Association | Undecided | GA88 |
| Matt Eide | Iowa West Racing Association | Undecided | GA88 |
| Kimberly Haus | Penn National Gaming/Ameristar | Supporting | GA88 |
| Susan Cameron Daemen | Penn National Gaming/Ameristar | Supporting | GA88 |
| Kellie Paschke | Prairie Meadows Racetrack and Casino | Supporting | GA88 |
| Kellie Paschke | Prairie Meadows Racetrack and Casino | Undecided | GA88 |
| Troy Skinner | Prairie Meadows Racetrack and Casino | Supporting | GA88 |
| Troy Skinner | Prairie Meadows Racetrack and Casino | Undecided | GA88 |