| Mark Joyce | Boyd Gaming & Dubuque Diamond Jo & Diamond Jo Worth | Undecided | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| David Adelman | Elite Casino Resorts, LLC | Undecided | GA91 |
| Frank Chiodo | Elite Casino Resorts, LLC | Undecided | GA91 |
| Matt Hinch | Elite Casino Resorts, LLC | Undecided | GA91 |
| Paige Thorson | Elite Casino Resorts, LLC | Undecided | GA91 |
| Sara Allen | Elite Casino Resorts, LLC | Undecided | GA91 |
| Scott Newhard | Elite Casino Resorts, LLC | Undecided | GA91 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Supporting | GA91 |
| Chloe Gayer | Iowa Behavioral Health Association (IBHA) | Supporting | GA91 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Supporting | GA91 |
| Jessica Seelinger | Iowa Behavioral Health Association (IBHA) | Supporting | GA91 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA91 |
| Tom Ferguson | Iowa County Attorneys Association | Undecided | GA91 |
| Sara Throener | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Sarah Vanderploeg | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Josie Wagler | Iowa Dept. of Public Safety | Supporting | GA91 |
| Mary Earnhardt | Iowa Gaming Association | Undecided | GA91 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA91 |
| Kellie Paschke | Prairie Meadows Racetrack and Casino | Undecided | GA91 |
| Kelly Meyers | Prairie Meadows Racetrack and Casino | Undecided | GA91 |
| David Adelman | Q Casino | Undecided | GA91 |
| Frank Chiodo | Q Casino | Undecided | GA91 |
| Matt Hinch | Q Casino | Undecided | GA91 |
| Paige Thorson | Q Casino | Undecided | GA91 |
| Sara Allen | Q Casino | Undecided | GA91 |