| Terry Harrmann | Alliant Energy Corporation | Undecided | GA83 |
| Terry Harrmann | Alliant Energy Corporation | Supporting | GA83 |
| Susan Walter | Black Hills Energy | Undecided | GA83 |
| Stephen Roberts | Central IA Power Cooperative (CIPCO) | Undecided | GA83 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA83 |
| James West | Greater Des Moines Partnership | Undecided | GA83 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA83 |
| Keith Luchtel | Greater Des Moines Partnership | Undecided | GA83 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA83 |
| Scott Sundstrom | Greater Des Moines Partnership | 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 |
| Michael Ralston | 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 |
| Emily Piper | IA. Assn. of School Boards | Undecided | GA83 |
| Margaret Buckton | IA. Assn. of School Boards | Undecided | GA83 |
| Mary Gannon | IA. Assn. of School Boards | Undecided | GA83 |
| Brad Epperly | IA. Chamber Alliance | Undecided | GA83 |
| James West | IA. Chamber Alliance | Undecided | GA83 |
| Keith Luchtel | IA. Chamber Alliance | Undecided | GA83 |
| Paula Dierenfeld | IA. Chamber Alliance | Undecided | GA83 |
| Scott Sundstrom | IA. Chamber Alliance | Undecided | GA83 |
| Lyle Krewson | IA. Chapter of Sierra Club | Supporting | GA83 |
| Brad Epperly | IA. Chapter, American Institute of Architects | Undecided | GA83 |
| James West | IA. Chapter, American Institute of Architects | Undecided | GA83 |
| Keith Luchtel | IA. Chapter, American Institute of Architects | Undecided | GA83 |
| Paula Dierenfeld | IA. Chapter, American Institute of Architects | Undecided | GA83 |
| Scott Sundstrom | IA. Chapter, American Institute of Architects | Undecided | GA83 |
| Jim Obradovich | IA. Environmental Council | Supporting | GA83 |
| Nathaniel Baer | IA. Environmental Council | Supporting | GA83 |
| Laverne Schroeder | IA. Nebraska Farm Equipment Dealers Assn. | Undecided | GA83 |
| Brad Epperly | IA. Propane Gas Assn. | Undecided | GA83 |
| James West | IA. Propane Gas Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Propane Gas Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Propane Gas Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Propane Gas Assn. | Undecided | GA83 |
| Hanna DeGroot | IA. State Assn. of Counties | Undecided | GA83 |
| Linda Hinton | IA. State Assn. of Counties | Undecided | GA83 |
| Nathan Bonnett | IA. State Assn. of Counties | Undecided | GA83 |
| William Peterson | IA. State Assn. of Counties | Undecided | GA83 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Undecided | GA83 |
| Joan Conrad | IA. Utilities Board | Undecided | GA83 |
| Mark Douglas | IA. Utility Assn. | Undecided | GA83 |
| Jim Obradovich | IA. Wind Energy Assn. | Undecided | GA83 |
| Roy Overton | Izaak Walton League - Iowa Division | Supporting | GA83 |
| John Pederson | Lennox International | Supporting | GA83 |
| Matt Eide | Lennox International | Supporting | GA83 |
| Mike Heller | Master Builders of IA | Undecided | GA83 |
| Paula Feltner | Master Builders of IA | Undecided | GA83 |
| John Pederson | Missouri River Energy Services | Undecided | GA83 |
| Matt Eide | Missouri River Energy Services | Undecided | GA83 |
| Robert Grayson | Office of Energy Independence | Supporting | GA83 |
| Amy Campbell | Professional Developers of IA (PDI) | Undecided | GA83 |
| Craig Patterson | Professional Developers of IA (PDI) | Undecided | GA83 |
| Dr. Norman | School Administrators of IA | Undecided | GA83 |