| Brad Epperly | BNSF Railway Co. | Undecided | GA90 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA90 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA90 |
| Mike St. Clair | Iowa Communications Alliance | Undecided | GA90 |
| Andy Conlin | Iowa Ethanol Producers Association | Undecided | GA90 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Opposing | GA90 |
| Matt Gronewald | Iowa Farm Bureau Federation | Opposing | GA90 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Opposing | GA90 |
| Ben Nuelle | Iowa Pork Producers Association | Supporting | GA90 |
| Jeff Smith | Iowa Pork Producers Association | Supporting | GA90 |
| Maggie Smith-Fitzgerald | Iowa Pork Producers Association | Supporting | GA90 |
| Matt Fitzgerald | Iowa Pork Producers Association | Supporting | GA90 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA90 |
| Jefferson Fink | Iowa Society of Solid Waste Operations (ISOSWO) | Undecided | GA90 |
| Jim Obradovich | Iowa Society of Solid Waste Operations (ISOSWO) | Undecided | GA90 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA90 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA90 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA90 |
| William Peterson | Iowa State Association of Counties | Undecided | GA90 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA90 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA90 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA90 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA90 |
| Geri Huser | Iowa Utilities Commission | Undecided | GA90 |
| Louis Vander Streek | Iowa Utilities Commission | Undecided | GA90 |
| Maison Bleam | Iowa Utilities Commission | Undecided | GA90 |
| Andy Conlin | Lumen | Undecided | GA90 |
| David Adelman | MidAmerican Energy Company | Undecided | GA90 |
| Frank Chiodo | MidAmerican Energy Company | Undecided | GA90 |
| Lillie Brady | MidAmerican Energy Company | Undecided | GA90 |
| Matt Hinch | MidAmerican Energy Company | Undecided | GA90 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | GA90 |
| Sara Allen | MidAmerican Energy Company | Undecided | GA90 |
| Paige Thorson | Monarch Bio Energy LLC | Supporting | GA90 |
| Kate Walton | POET, LLC | Undecided | GA90 |
| Madeleine Bradley | POET, LLC | Undecided | GA90 |
| Matt Eide | POET, LLC | Undecided | GA90 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA90 |