| Mark Joyce | Boyd Gaming-Peninsula Gaming LLC & Dubuque Diamond Jo & Diamond Jo Worth | Supporting | GA88 |
| Ryan Soultz | Boyd Gaming-Peninsula Gaming LLC & Dubuque Diamond Jo & Diamond Jo Worth | Supporting | GA88 |
| Ted Stopulos | Boyd Gaming-Peninsula Gaming LLC & Dubuque Diamond Jo & Diamond Jo Worth | Supporting | GA88 |
| 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 |
| David Adelman | Elite Casino Resorts, LLC | Undecided | GA88 |
| Frank Chiodo | Elite Casino Resorts, LLC | Undecided | GA88 |
| Matt Hinch | Elite Casino Resorts, LLC | Undecided | GA88 |
| Sara Allen | Elite Casino Resorts, LLC | Undecided | GA88 |
| Doug Struyk | Great River Entertainment | Supporting | GA88 |
| Jennifer Dorman | Great River Entertainment | Supporting | GA88 |
| Jim Carney | Great River Entertainment | Supporting | GA88 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA88 |
| Wes Ehrecke | Iowa Gaming Association | Supporting | GA88 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Katie Graham | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Kelly Meyers | Penn National Gaming/Ameristar | Supporting | GA88 |
| Kimberly Haus | Penn National Gaming/Ameristar | Supporting | GA88 |
| Susan Cameron Daemen | Penn National Gaming/Ameristar | Supporting | GA88 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA88 |
| Craig Walter | Polk County - Board of Supervisors | Undecided | GA88 |
| Kellie Paschke | Prairie Meadows Racetrack and Casino | Undecided | GA88 |
| Troy Skinner | Prairie Meadows Racetrack and Casino | Undecided | GA88 |