| Mark Joyce | Boyd Gaming-Peninsula Gaming LLC & Dubuque Diamond Jo & Diamond Jo Worth | Supporting | GA87 |
| Richard Klemp | Boyd Gaming-Peninsula Gaming LLC & Dubuque Diamond Jo & Diamond Jo Worth | Supporting | GA87 |
| Thomas McPherson | Boyd Gaming-Peninsula Gaming LLC & Dubuque Diamond Jo & Diamond Jo Worth | Supporting | GA87 |
| Doug Struyk | Caesars Enterprise Services, LLC. | Supporting | GA87 |
| Jim Carney | Caesars Enterprise Services, LLC. | Supporting | GA87 |
| Shannon Henson | Caesars Enterprise Services, LLC. | Supporting | GA87 |
| Doug Struyk | Great River Entertainment | Supporting | GA87 |
| Jim Carney | Great River Entertainment | Supporting | GA87 |
| Shannon Henson | Great River Entertainment | Supporting | GA87 |
| Robert Weiser | Horsemen's Benevolent and Protective Association (IHBPA) | Undecided | GA87 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA87 |
| Brad Epperly | Iowa Broadcasters Association | Opposing | GA87 |
| Dustin Miller | Iowa Broadcasters Association | Undecided | GA87 |
| Dustin Miller | Iowa Broadcasters Association | Opposing | GA87 |
| Paige Thorson | Iowa Broadcasters Association | Undecided | GA87 |
| Paige Thorson | Iowa Broadcasters Association | Opposing | GA87 |
| Paula Dierenfeld | Iowa Broadcasters Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Broadcasters Association | Opposing | GA87 |
| Wes Ehrecke | Iowa Gaming Association | Supporting | GA87 |
| Mary Neubauer | Iowa Lottery Authority | Undecided | GA87 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA87 |
| Brad Epperly | Iowa Newspaper Association | Opposing | GA87 |
| Dustin Miller | Iowa Newspaper Association | Undecided | GA87 |
| Dustin Miller | Iowa Newspaper Association | Opposing | GA87 |
| Paige Thorson | Iowa Newspaper Association | Undecided | GA87 |
| Paige Thorson | Iowa Newspaper Association | Opposing | GA87 |
| Paula Dierenfeld | Iowa Newspaper Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Newspaper Association | Opposing | GA87 |
| Brad Epperly | Isle of Capri Casinos, Inc. | Supporting | GA87 |
| Dustin Miller | Isle of Capri Casinos, Inc. | Supporting | GA87 |
| Paige Thorson | Isle of Capri Casinos, Inc. | Supporting | GA87 |
| Paula Dierenfeld | Isle of Capri Casinos, Inc. | Supporting | GA87 |
| Kimberly Haus | Pinnacle Entertainment/Ameristar Casino | Supporting | GA87 |
| Susan Cameron Daemen | Pinnacle Entertainment/Ameristar Casino | Supporting | GA87 |
| Angela Davis | Q Casino, formerly Mystique Casino | Supporting | GA87 |
| Bill Wimmer | Q Casino, formerly Mystique Casino | Supporting | GA87 |