| Michael Triplett | Black Hawk County Gaming Association | Undecided | GA91 |
| Mark Joyce | Boyd Gaming & Dubuque Diamond Jo & Diamond Jo Worth | Undecided | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Matt McKinney | Churchill Downs Incorporated | Undecided | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| Jon Murphy | City of Coralville | Supporting | GA91 |
| Tom Cope | City of Coralville | Supporting | 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 |
| Jacob Schrader | Greater Des Moines Partnership | Undecided | GA91 |
| Logan Murray | Greater Des Moines Partnership | Undecided | GA91 |
| Ryan Moon | Greater Des Moines Partnership | Undecided | GA91 |
| Sydney Gangestad | Greater Des Moines Partnership | Undecided | GA91 |
| BRITTANY LUMLEY | Horsemen's Benevolent and Protective Association (IHBPA) | Supporting | GA91 |
| Courtney Craig | Horsemen's Benevolent and Protective Association (IHBPA) | Supporting | GA91 |
| Elliott Meyer | Horsemen's Benevolent and Protective Association (IHBPA) | Supporting | GA91 |
| Jeffrey Boeyink | Horsemen's Benevolent and Protective Association (IHBPA) | Supporting | GA91 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA91 |
| Chloe Gayer | Iowa Behavioral Health Association (IBHA) | Undecided | GA91 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA91 |
| Jessica Seelinger | Iowa Behavioral Health Association (IBHA) | Undecided | GA91 |
| Nick Laning | Iowa Bicycle Coalition | Supporting | GA91 |
| Noah Hackbart | Iowa Bicycle Coalition | Supporting | GA91 |
| Threase Harms | Iowa Bicycle Coalition | Supporting | GA91 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA91 |
| Casey Nickel | Iowa Chamber Alliance | Undecided | GA91 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA91 |
| Nick Laning | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Undecided | GA91 |
| Noah Hackbart | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Undecided | GA91 |
| Threase Harms | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Undecided | GA91 |
| Nick Laning | Iowa Chapter of the National Emergency Number Association (NENA) | Undecided | GA91 |
| Noah Hackbart | Iowa Chapter of the National Emergency Number Association (NENA) | Undecided | GA91 |
| Threase Harms | Iowa Chapter of the National Emergency Number Association (NENA) | Undecided | GA91 |
| Sara Throener | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Sarah Vanderploeg | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA91 |
| Mary Earnhardt | Iowa Gaming Association | Undecided | GA91 |
| Emilee Zimmerman | Iowa Hotel & Lodging Association | Supporting | GA91 |
| Eric Goranson | Iowa Hotel & Lodging Association | Supporting | GA91 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA91 |
| Emilee Zimmerman | Iowa Restaurant Association | Supporting | GA91 |
| Eric Goranson | Iowa Restaurant Association | Supporting | GA91 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA91 |
| Casey Nickel | Iowa Society of Certified Public Accountants | Undecided | GA91 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA91 |
| David Adelman | Iowa Travel Industry Partners | Supporting | GA91 |
| Frank Chiodo | Iowa Travel Industry Partners | Supporting | GA91 |
| Matt Hinch | Iowa Travel Industry Partners | Supporting | GA91 |
| Paige Thorson | Iowa Travel Industry Partners | Supporting | GA91 |
| Sara Allen | Iowa Travel Industry Partners | Supporting | GA91 |
| Michael Triplett | Iowa West Racing Association | Undecided | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| John Hall | Marshalltown Area Chamber of Commerce | Undecided | GA91 |
| Jake Highfill | Penn Entertainment/Ameristar | Undecided | GA91 |
| Tony Phillips | Penn Entertainment/Ameristar | Undecided | GA91 |
| Amy Campbell | Polk County - Board of Supervisors | Undecided | GA91 |
| Craig Patterson | Polk County - Board of Supervisors | Undecided | GA91 |
| Kellie Paschke | Prairie Meadows Racetrack and Casino | Undecided | GA91 |
| Kelly Meyers | Prairie Meadows Racetrack and Casino | Undecided | GA91 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA91 |
| Chloe Gayer | Professional Developers of Iowa (PDI) | Undecided | GA91 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA91 |
| Jessica Seelinger | Professional Developers of Iowa (PDI) | 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 |
| Ryan Sempf | Quad Cities Chamber of Commerce | Supporting | GA91 |
| Christopher Rants | Sports Betting Alliance | Undecided | GA91 |
| John Cacciatore | Sports Betting Alliance | Undecided | GA91 |
| Lon Anderson | Sports Betting Alliance | Undecided | GA91 |
| Madison Grady | Sports Betting Alliance | Undecided | GA91 |
| Christopher Rants | State Police Officers Council | Supporting | GA91 |
| John Cacciatore | State Police Officers Council | Supporting | GA91 |
| Justin Hupfer | State Police Officers Council | Supporting | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |