| Chelsea Hoye | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Supporting | GA89 |
| Chelsea Hoye | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA89 |
| Emilee Harris-Puricelli | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Supporting | GA89 |
| Emilee Harris-Puricelli | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA89 |
| Nick Laning | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Supporting | GA89 |
| Nick Laning | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA89 |
| Threase Harms | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Supporting | GA89 |
| Threase Harms | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA89 |
| Jon Moss | Horsemen's Benevolent and Protective Association (IHBPA) | Opposing | GA89 |
| Morgan Fritz | Horsemen's Benevolent and Protective Association (IHBPA) | Opposing | GA89 |
| Morgan Fritz | Horsemen's Benevolent and Protective Association (IHBPA) | Undecided | GA89 |
| Robert Weiser | Horsemen's Benevolent and Protective Association (IHBPA) | Opposing | GA89 |
| Robert Weiser | Horsemen's Benevolent and Protective Association (IHBPA) | Undecided | GA89 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Supporting | GA89 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Supporting | GA89 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA89 |
| Maddie Wilcox | Iowa Dept. of Public Health | Undecided | GA89 |
| Wes Ehrecke | Iowa Gaming Association | Opposing | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA89 |
| William Peterson | Iowa State Association of Counties | Supporting | GA89 |
| Morgan Fritz | Iowa Thoroughbred Breeders and Owners Association | Opposing | GA89 |
| Morgan Fritz | Iowa Thoroughbred Breeders and Owners Association | Undecided | GA89 |
| Robert Weiser | Iowa Thoroughbred Breeders and Owners Association | Opposing | GA89 |
| Robert Weiser | Iowa Thoroughbred Breeders and Owners Association | Undecided | GA89 |
| Chuck Hurley | The Family Leader | Supporting | GA89 |
| Daniel Sunne | The Family Leader | Supporting | GA89 |
| Danny Carroll | The Family Leader | Supporting | GA89 |
| Rebekah Oleson | The Family Leader | Supporting | GA89 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA89 |
| Daniel Sunne | The Family Leader Foundation | Supporting | GA89 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA89 |
| Rebekah Oleson | The Family Leader Foundation | Supporting | GA89 |