| George Appleby | Anheuser Busch | Undecided | GA84 |
| Jennifer Tyler | Anheuser Busch | Undecided | GA84 |
| Jim Carney | Anheuser Busch | Undecided | GA84 |
| Jerry Fitzgerald | Boyd Gaming-Peninsula Gaming LLC & its subsidiaries Dubuque Diamond Jo & Diamond | Undecided | GA84 |
| Maggie Smith-Fitzgerald | Boyd Gaming-Peninsula Gaming LLC & its subsidiaries Dubuque Diamond Jo & Diamond | Undecided | GA84 |
| Mark Joyce | Boyd Gaming-Peninsula Gaming LLC & its subsidiaries Dubuque Diamond Jo & Diamond | Undecided | GA84 |
| Brad Epperly | CDS Global, Inc. | Undecided | GA84 |
| Keith Luchtel | CDS Global, Inc. | Undecided | GA84 |
| Paula Dierenfeld | CDS Global, Inc. | Undecided | GA84 |
| Scott Sundstrom | CDS Global, Inc. | Undecided | GA84 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA84 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Brad Epperly | IA. Grocery Industry Assn. | Undecided | GA84 |
| Keith Luchtel | IA. Grocery Industry Assn. | Undecided | GA84 |
| Paula Dierenfeld | IA. Grocery Industry Assn. | Undecided | GA84 |
| Scott Sundstrom | IA. Grocery Industry Assn. | Undecided | GA84 |
| Laverne Schroeder | IA. Nebraska Farm Equipment Dealers Assn. | Undecided | GA84 |
| Jim Henter | IA. Retail Federation | Undecided | GA84 |
| Mike Heller | IA. Retail Federation | Undecided | GA84 |
| Paula Feltner | IA. Retail Federation | Undecided | GA84 |
| Brad Epperly | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Keith Luchtel | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Paula Dierenfeld | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Scott Sundstrom | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Ed Wallace | IA. Taxpayers Assn. | Supporting | GA84 |
| Ed Wallace | IA. Taxpayers Assn. | Undecided | GA84 |
| Brad Epperly | Johnson & Johnson Services, Inc. | Undecided | GA84 |
| Keith Luchtel | Johnson & Johnson Services, Inc. | Undecided | GA84 |
| Paula Dierenfeld | Johnson & Johnson Services, Inc. | Undecided | GA84 |
| Scott Sundstrom | Johnson & Johnson Services, Inc. | Undecided | GA84 |
| Susan Zalenski | Johnson & Johnson Services, Inc. | Undecided | GA84 |
| George Appleby | Meredith Corporation | Undecided | GA84 |
| Jennifer Tyler | Meredith Corporation | Undecided | GA84 |
| Jim Carney | Meredith Corporation | Undecided | GA84 |
| Kristin Failor | National Federation of Independent Business (NFIB /IA) | Undecided | GA84 |
| F. Thornton | Personal Interest-Richard Thornton | Undecided | GA84 |
| Cal Hultman | Pharmaceutical Research and Manufacturers of America (PhRMA) | Undecided | GA84 |
| Michael Sadler | Qwest | Undecided | GA84 |
| Lewis Finch | Urban Education Network of IA | Undecided | GA84 |
| Angie Lewis | Wal-Mart Stores, Inc. | Undecided | GA84 |