| Terry Harrmann | Alliant Energy Corporation | Undecided | GA84 |
| Brad Epperly | American Biogas Council | Supporting | GA84 |
| Keith Luchtel | American Biogas Council | Supporting | GA84 |
| Paula Dierenfeld | American Biogas Council | Supporting | GA84 |
| Scott Sundstrom | American Biogas Council | Supporting | GA84 |
| Stephen Roberts | Central IA Power Cooperative (CIPCO) | Supporting | GA84 |
| Thomas Stanberry | Central IA Power Cooperative (CIPCO) | Supporting | GA84 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA84 |
| Mike Carberry | Green State Solutions | Supporting | GA84 |
| Eric Tempelis | Gundersen Lutheran Health System | Supporting | 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. Assn. of Electric Cooperatives | Supporting | GA84 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Jim Obradovich | IA. Environmental Council | Supporting | GA84 |
| Nathaniel Baer | IA. Environmental Council | Supporting | GA84 |
| Don Petersen | IA. Farm Bureau Federation | Supporting | GA84 |
| Joe Johnson | IA. Farm Bureau Federation | Supporting | GA84 |
| Marty Schwager | IA. Farm Bureau Federation | Supporting | GA84 |
| Matthew Steinfeldt | IA. Farm Bureau Federation | Supporting | GA84 |
| Jen Schulte | IA. Farmers Union | Supporting | GA84 |
| Kent Hartwig | IA. Farmers Union | Supporting | GA84 |
| Kyle Frette | IA. Farmers Union | Supporting | GA84 |
| Threase Harms | IA. Farmers Union | Supporting | 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 |
| Hanna DeGroot | IA. State Assn. of Counties | Undecided | GA84 |
| Linda Hinton | IA. State Assn. of Counties | Undecided | GA84 |
| MaryBeth Mellick | IA. State Assn. of Counties | Undecided | GA84 |
| Nathan Bonnett | IA. State Assn. of Counties | Undecided | GA84 |
| William Peterson | IA. State Assn. of Counties | Undecided | GA84 |
| Jim Obradovich | IA. Wind Energy Assn. | Supporting | GA84 |
| Jerry Fitzgerald | ITC Midwest | Undecided | GA84 |
| Maggie Smith-Fitzgerald | ITC Midwest | Undecided | GA84 |
| Mark Joyce | ITC Midwest | Undecided | GA84 |