| Mark Joyce | Boyd Gaming & Dubuque Diamond Jo & Diamond Jo Worth | Supporting | GA91 |
| Clara Wulfsen | Caesars Enterprise Services, LLC. | Supporting | GA91 |
| Doug Struyk | Caesars Enterprise Services, LLC. | Supporting | GA91 |
| Jennifer Dorman | Caesars Enterprise Services, LLC. | Supporting | GA91 |
| Jim Carney | Caesars Enterprise Services, LLC. | Supporting | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Matt McKinney | Churchill Downs Incorporated | Opposing | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | 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 |
| Larry Murphy | Iowa Catholic Conference | Opposing | GA91 |
| Tom Chapman | Iowa Catholic Conference | Opposing | 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 |
| Mary Earnhardt | Iowa Gaming Association | Undecided | GA91 |
| Kate Walton | Iowa Harness Horsemen's Association | Undecided | GA91 |
| Madeleine Bradley | Iowa Harness Horsemen's Association | Undecided | GA91 |
| Matt Eide | Iowa Harness Horsemen's Association | Undecided | 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 |
| Kate Walton | Iowa West Racing Association | Undecided | GA91 |
| Madeleine Bradley | Iowa West Racing Association | Undecided | GA91 |
| Matt Eide | Iowa West Racing Association | Undecided | GA91 |
| Jake Highfill | Penn Entertainment/Ameristar | Supporting | GA91 |
| Tony Phillips | Penn Entertainment/Ameristar | Supporting | GA91 |
| Kellie Paschke | Prairie Meadows Racetrack and Casino | Undecided | GA91 |
| Kelly Meyers | Prairie Meadows Racetrack and Casino | Undecided | GA91 |
| Christopher Rants | Sports Betting Alliance | Supporting | GA91 |
| John Cacciatore | Sports Betting Alliance | Supporting | GA91 |
| Lon Anderson | Sports Betting Alliance | Supporting | GA91 |
| Madison Grady | Sports Betting Alliance | Supporting | GA91 |
| Mike St. Clair | Sports Betting Alliance | Supporting | GA91 |
| Chuck Hurley | The Family Leader | Opposing | GA91 |
| Danny Carroll | The Family Leader | Opposing | GA91 |
| Josiah Oleson | The Family Leader | Opposing | GA91 |
| Ryan Benn | The Family Leader | Opposing | GA91 |
| Chuck Hurley | The Family Leader Foundation | Opposing | GA91 |
| Danny Carroll | The Family Leader Foundation | Opposing | GA91 |
| Greg Baker | The Family Leader Foundation | Opposing | GA91 |
| Josiah Oleson | The Family Leader Foundation | Opposing | GA91 |
| Noah Meyers | The Family Leader Foundation | Opposing | GA91 |
| Ryan Benn | The Family Leader Foundation | Opposing | GA91 |
| BRITTANY LUMLEY | Wild Rose Entertainment, LLC | Supporting | GA91 |
| Courtney Craig | Wild Rose Entertainment, LLC | Supporting | GA91 |
| Elliott Meyer | Wild Rose Entertainment, LLC | Supporting | GA91 |
| Jeffrey Boeyink | Wild Rose Entertainment, LLC | Supporting | GA91 |