| Brad Epperly | Ames Chamber of Commerce | Undecided | GA89 |
| Dustin Miller | Ames Chamber of Commerce | Undecided | GA89 |
| Kate Walton | Arconic (Formerly Alcoa) | Undecided | GA89 |
| Matt Eide | Arconic (Formerly Alcoa) | Undecided | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Kate Walton | City of Bettendorf | Supporting | GA89 |
| Matt Eide | City of Bettendorf | Supporting | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA89 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Undecided | GA89 |
| Emma Schmit | Food & Water Watch | Opposing | GA89 |
| Mackenzie Aime | Food & Water Watch | Opposing | GA89 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA89 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA89 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA89 |
| Steve Firman | Grow Cedar Valley | Undecided | GA89 |
| Paula Dierenfeld | Iowa Business Energy Coalition (IBEC) | Undecided | GA89 |
| James Kersten | Iowa Central Community College | Undecided | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA89 |
| Ava Auen-Ryan | Iowa Citizens for Community Improvement Action Fund | Opposing | GA89 |
| Jordan Oster | Iowa Environmental Council | Undecided | GA89 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA89 |
| Michael Schmidt | Iowa Environmental Council | Undecided | GA89 |
| Sydney Gangestad | Iowa Propane Gas Association | Undecided | GA89 |
| Tim Coonan | Iowa Propane Gas Association | Undecided | GA89 |
| Kate Walton | Lennox International | Undecided | GA89 |
| Matt Eide | Lennox International | Undecided | GA89 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA89 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA89 |
| Logan Murray | Marion County Board of Supervisors | Undecided | GA89 |
| Troy Skinner | Marion County Board of Supervisors | Undecided | GA89 |
| John Hall | Marshalltown Area Chamber of Commerce | Undecided | GA89 |
| David Adelman | MidAmerican Energy Company | Supporting | GA89 |
| Frank Chiodo | MidAmerican Energy Company | Supporting | GA89 |
| Matt Hinch | MidAmerican Energy Company | Supporting | GA89 |
| Onnalee Gettler | MidAmerican Energy Company | Supporting | GA89 |
| Sara Allen | MidAmerican Energy Company | Supporting | GA89 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Supporting | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Supporting | GA89 |
| David Adelman | Team Iowa | Undecided | GA89 |
| Frank Chiodo | Team Iowa | Undecided | GA89 |
| Matt Hinch | Team Iowa | Undecided | GA89 |
| Sara Allen | Team Iowa | Undecided | GA89 |
| Amy Campbell | Travel Federation of Iowa | Supporting | GA89 |
| Craig Patterson | Travel Federation of Iowa | Supporting | GA89 |