| Terry Harrmann | Alliant Energy Corporation | Undecided | GA83 |
| John Pederson | Alter Trading Corporation | Opposing | GA83 |
| Matt Eide | Alter Trading Corporation | Opposing | GA83 |
| George Appleby | Anheuser Busch | Undecided | GA83 |
| Jennifer Tyler | Anheuser Busch | Undecided | GA83 |
| Jim Carney | Anheuser Busch | Undecided | GA83 |
| Susan Walter | Black Hills Energy | Undecided | GA83 |
| Bill Wimmer | Home Builders Assn. of IA | Undecided | GA83 |
| Craig Schoenfeld | Home Builders Assn. of IA | Undecided | GA83 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Brad Epperly | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| James West | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Julie Smith | IA. Assn. of Municipal Utilities | Supporting | GA83 |
| Larry Pope | IA. Assn. of Municipal Utilities | Supporting | GA83 |
| Brad Epperly | IA. Automobile Dealers Assn. | Undecided | GA83 |
| James West | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Joe Kelly | IA. County Attorneys Assn. | Supporting | GA83 |
| Susan Cameron Daemen | IA. County Attorneys Assn. | Supporting | GA83 |
| Jim Obradovich | IA. Environmental Council | Undecided | GA83 |
| Bill Wimmer | IA. Lumber Assn. | Undecided | GA83 |
| Craig Schoenfeld | IA. Lumber Assn. | Undecided | GA83 |
| Laverne Schroeder | IA. Nebraska Farm Equipment Dealers Assn. | Undecided | GA83 |
| Jim Obradovich | IA. Recycling Assn. | Undecided | GA83 |
| Jim Obradovich | IA. Society of Solid Waste Operations (ISOSWO) | Undecided | GA83 |
| Susan Cameron Daemen | IA. State Sheriffs' & Deputies' Assn. | Supporting | GA83 |
| Mike Heller | IA. Wholesale Beer Distributors Assn. | Undecided | GA83 |
| Paula Feltner | IA. Wholesale Beer Distributors Assn. | Undecided | GA83 |
| Chad Kleppe | Master Builders of IA | Supporting | GA83 |
| Cal Hultman | MillerCoors LLC | Supporting | GA83 |
| Mary Hultman | MillerCoors LLC | Supporting | GA83 |
| Michael Triplett | MillerCoors LLC | Supporting | GA83 |
| Brice Oakley | Qwest | Supporting | GA83 |
| Don Avenson | Qwest | Supporting | GA83 |
| Michael Sadler | Qwest | Supporting | GA83 |
| Tom Cope | Qwest | Supporting | GA83 |