| Terry Harrmann | Alliant Energy Corporation | Supporting | GA83 |
| Bruce Bergman | City of Des Moines | Undecided | GA83 |
| Jerry Fitzgerald | City of Des Moines | Undecided | GA83 |
| Maggie Smith-Fitzgerald | City of Des Moines | Undecided | GA83 |
| Mark Joyce | City of Des Moines | Undecided | GA83 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA83 |
| Bill Wimmer | Home Builders Assn. of IA | Undecided | GA83 |
| Craig Schoenfeld | Home Builders Assn. of IA | 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 |
| Jennifer Kingland | IA. Assn. of Realtors | Undecided | GA83 |
| Susan Cameron Daemen | IA. Assn. of Realtors | Undecided | GA83 |
| Nathaniel Baer | IA. Environmental Council | Undecided | GA83 |
| Brad Epperly | IA. Geothermal Assn. | Undecided | GA83 |
| James West | IA. Geothermal Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Geothermal Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Geothermal Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Geothermal 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 |
| Brad Epperly | IA. Society of Certified Public Accountants | Undecided | GA83 |
| James West | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Keith Luchtel | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Paula Dierenfeld | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Scott Sundstrom | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Mike Heller | IA. State Assn. of Assessors | Undecided | GA83 |
| Paula Feltner | IA. State Assn. of Assessors | 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 |
| Brad Epperly | IA. Water Well Assn. | Undecided | GA83 |
| James West | IA. Water Well Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Water Well Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Water Well Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Water Well Assn. | Undecided | GA83 |
| Robert Grayson | Office of Energy Independence | Undecided | GA83 |
| Amy Campbell | Professional Developers of IA (PDI) | Undecided | GA83 |
| Craig Patterson | Professional Developers of IA (PDI) | Undecided | GA83 |