| Mark Joyce | Boyd Gaming-Peninsula Gaming LLC & Dubuque Diamond Jo & Diamond Jo Worth | Undecided | GA87 |
| Richard Klemp | Boyd Gaming-Peninsula Gaming LLC & Dubuque Diamond Jo & Diamond Jo Worth | Undecided | GA87 |
| Thomas McPherson | Boyd Gaming-Peninsula Gaming LLC & Dubuque Diamond Jo & Diamond Jo Worth | Undecided | GA87 |
| Connor Slack | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA87 |
| Dane Schumann | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA87 |
| Emily Hockins | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA87 |
| Threase Harms | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA87 |
| Gary Grant | City of Cedar Rapids | Opposing | GA87 |
| Larry Murphy | City of Cedar Rapids | Opposing | GA87 |
| Meghan Malloy | City of Cedar Rapids | Opposing | GA87 |
| David Adelman | Elite Casino Resorts, LLC | Undecided | GA87 |
| Frank Chiodo | Elite Casino Resorts, LLC | Supporting | GA87 |
| Frank Chiodo | Elite Casino Resorts, LLC | Undecided | GA87 |
| Matt Hinch | Elite Casino Resorts, LLC | Undecided | GA87 |
| Sara Allen | Elite Casino Resorts, LLC | Undecided | GA87 |
| Doug Struyk | Great River Entertainment | Undecided | GA87 |
| Jim Carney | Great River Entertainment | Undecided | GA87 |
| Shannon Henson | Great River Entertainment | Undecided | GA87 |
| John Pederson | Ho-Chunk, Inc. | Undecided | GA87 |
| Matt Eide | Ho-Chunk, Inc. | Undecided | GA87 |
| Robert Weiser | Horsemen's Benevolent and Protective Association (IHBPA) | Undecided | GA87 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA87 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Undecided | GA87 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Marty Ryan | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Sheila Corsbie | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Stephanie Fawkes-Lee | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| William Steward | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Supporting | GA87 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Supporting | GA87 |
| Deborah Thompson | Iowa Dept. of Public Health | Undecided | GA87 |
| Wes Ehrecke | Iowa Gaming Association | Undecided | GA87 |
| Brad Epperly | Isle of Capri Casinos, Inc. | Undecided | GA87 |
| Dustin Miller | Isle of Capri Casinos, Inc. | Undecided | GA87 |
| Paige Thorson | Isle of Capri Casinos, Inc. | Undecided | GA87 |
| Paula Dierenfeld | Isle of Capri Casinos, Inc. | Undecided | GA87 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA87 |
| Kellie Paschke | Prairie Meadows Racetrack and Casino | Undecided | GA87 |
| Troy Skinner | Prairie Meadows Racetrack and Casino | Undecided | GA87 |
| Angela Davis | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| Bill Wimmer | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| Chuck Hurley | The Family Leader | Supporting | GA87 |
| Danny Carroll | The Family Leader | Supporting | GA87 |
| Josiah Oleson | The Family Leader | Supporting | GA87 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA87 |
| Josiah Oleson | The Family Leader Foundation | Supporting | GA87 |
| Craig Patterson | Travel Federation of Iowa | Undecided | GA87 |
| Jeffrey Boeyink | Wild Rose Entertainment, LLC | Opposing | GA87 |
| Susan Fenton | Wild Rose Entertainment, LLC | Opposing | GA87 |