| Susan Cameron Daemen | Ameristar Casino, Inc. | Undecided | GA85 |
| Doug Struyk | Caesars Enterprise Services, LLC. | Undecided | GA85 |
| George Appleby | Caesars Enterprise Services, LLC. | Undecided | GA85 |
| Jennifer Tyler | Caesars Enterprise Services, LLC. | Undecided | GA85 |
| Jim Carney | Caesars Enterprise Services, LLC. | Undecided | GA85 |
| Gary Grant | City of Cedar Rapids | Undecided | GA85 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA85 |
| Doug Struyk | Great River Entertainment | Undecided | GA85 |
| George Appleby | Great River Entertainment | Undecided | GA85 |
| Jennifer Tyler | Great River Entertainment | Undecided | GA85 |
| Jim Carney | Great River Entertainment | Undecided | GA85 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA85 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA85 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA85 |
| Nicole Woodroffe | Horsemen's Benevolent and Protective Association (IHBPA) | Undecided | GA85 |
| Robert Weiser | Horsemen's Benevolent and Protective Association (IHBPA) | Undecided | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Undecided | GA85 |
| Justine Stevenson | Iowa Cattlemen's Association | Undecided | GA85 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA85 |
| Lindsay Phillips | Iowa Cattlemen's Association | Undecided | GA85 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA85 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA85 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA85 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA85 |
| Scott Sundstrom | Iowa Chamber Alliance | Undecided | GA85 |
| John Pederson | Iowa Harness Horsemen's Association | Undecided | GA85 |
| Matt Eide | Iowa Harness Horsemen's Association | Undecided | GA85 |
| Hanna DeGroot | Iowa State Association of Counties | Undecided | GA85 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA85 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA85 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA85 |
| William Peterson | Iowa State Association of Counties | Undecided | GA85 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA85 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA85 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA85 |
| Chad Kleppe | Master Builders of Iowa | Opposing | GA85 |
| Marc Beltrame | Master Builders of Iowa | Opposing | GA85 |
| Matt McKinney | Master Builders of Iowa | Opposing | GA85 |
| Mike Heller | Penn National Gaming, Inc. | Undecided | GA85 |
| Paula Feltner | Penn National Gaming, Inc. | Undecided | GA85 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Lindsay Phillips | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Gary Grant | Urban County Coalition | Undecided | GA85 |
| Larry Murphy | Urban County Coalition | Undecided | GA85 |