| Doug Struyk | Caesars Enterprise Services, LLC. | Undecided | GA88 |
| Jennifer Dorman | Caesars Enterprise Services, LLC. | Undecided | GA88 |
| Jim Carney | Caesars Enterprise Services, LLC. | Undecided | GA88 |
| Doug Struyk | Great River Entertainment | Undecided | GA88 |
| Jennifer Dorman | Great River Entertainment | Undecided | GA88 |
| Jim Carney | Great River Entertainment | Undecided | GA88 |
| Courtney Craig | Horsemen's Benevolent and Protective Association (IHBPA) | Undecided | GA88 |
| Robert Weiser | Horsemen's Benevolent and Protective Association (IHBPA) | Undecided | GA88 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA88 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA88 |
| Brian Carter | Iowa Conference of United Methodist Church | Undecided | GA88 |
| Gary Nims | Iowa Conference of United Methodist Church | Undecided | GA88 |
| Rita Carter | Iowa Conference of United Methodist Church | Undecided | GA88 |
| Eric Goranson | Iowa Emergency Medical Services Association | Supporting | GA88 |
| Karla Fultz McHenry | Iowa Emergency Medical Services Association | Supporting | GA88 |
| Wes Ehrecke | Iowa Gaming Association | Undecided | GA88 |
| Kate Walton | Iowa Harness Horsemen's Association | Undecided | GA88 |
| Matt Eide | Iowa Harness Horsemen's Association | Undecided | GA88 |
| Abhay Nadipuram | Iowa Hospital Association | Supporting | GA88 |
| Erin Cubit | Iowa Hospital Association | Supporting | GA88 |
| Kim Murphy | Iowa Hospital Association | Supporting | GA88 |
| Maureen Keehnle | Iowa Hospital Association | Supporting | GA88 |
| Nicole Proesch | Iowa Hospital Association | Supporting | GA88 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA88 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA88 |
| Meghan Malloy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA88 |
| Christopher Rants | Iowa Professional Fire Fighters | Undecided | GA88 |
| John Cacciatore | Iowa Professional Fire Fighters | Undecided | GA88 |
| Lon Anderson | Iowa Professional Fire Fighters | Undecided | 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 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA88 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA88 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA88 |
| William Peterson | Iowa State Association of Counties | Supporting | GA88 |
| Jamie Cashman | Iowa State Association of County Supervisors | Supporting | GA88 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Supporting | GA88 |
| Lucas Beenken | Iowa State Association of County Supervisors | Supporting | GA88 |
| William Peterson | Iowa State Association of County Supervisors | Supporting | GA88 |
| Courtney Craig | Iowa Thoroughbred Breeders and Owners Association | Undecided | GA88 |
| Robert Weiser | Iowa Thoroughbred Breeders and Owners Association | Undecided | GA88 |
| Brian Johnson | Iowa West Racing Association | Undecided | GA88 |
| Craig Walter | Iowa West Racing Association | Undecided | GA88 |
| Kate Walton | Iowa West Racing Association | Undecided | GA88 |
| Matt Eide | Iowa West Racing Association | Undecided | GA88 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA88 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA88 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA88 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA88 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA88 |
| Jeffrey Boeyink | MercyOne | Supporting | GA88 |
| Mark Joyce | MercyOne | Supporting | GA88 |
| Taylor McDonald | MercyOne | Supporting | GA88 |
| Kimberly Haus | Penn National Gaming/Ameristar | Undecided | GA88 |
| Susan Cameron Daemen | Penn National Gaming/Ameristar | Undecided | GA88 |
| Brian Johnson | 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 |
| David Scott | Q Casino | Supporting | GA88 |
| David Adelman | UnityPoint Health | Supporting | GA88 |
| Frank Chiodo | UnityPoint Health | Supporting | GA88 |
| Matt Hinch | UnityPoint Health | Supporting | GA88 |
| Sara Allen | UnityPoint Health | Supporting | GA88 |
| Gary Grant | Urban County Coalition | Undecided | GA88 |
| Larry Murphy | Urban County Coalition | Undecided | GA88 |
| Meghan Malloy | Urban County Coalition | Undecided | GA88 |