| Jake Highfill | American Petroleum Institute | Opposing | GA91 |
| Tony Phillips | American Petroleum Institute | Opposing | GA91 |
| Taylor Sklenar | Climate Land Leaders | Supporting | GA91 |
| Nathan Mueller | County Planning and Zoning Officials of Iowa | Undecided | GA91 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Casey Nickel | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Elliott Gebel | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Ethan Hohenadel | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Haley Moon | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Supporting | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA91 |
| Katie Biechler | Iowa Citizens for Community Improvement Action Fund | Supporting | GA91 |
| Noah Hackbart | Iowa Farmers Union | Supporting | GA91 |
| Threase Harms | Iowa Farmers Union | Supporting | GA91 |
| Teresa Bomhoff | Iowa Integrated Health Planning and Advisory Council | Supporting | GA91 |
| David Scott | Iowa Motor Truck Association | Undecided | GA91 |
| Jacob Schrader | Iowa Propane Gas Association | Opposing | GA91 |
| Logan Murray | Iowa Propane Gas Association | Opposing | GA91 |
| Stephanie Weisenbach | Iowa Utilities Commission | Undecided | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Dane Schumann | Mid-American Carpenters Regional Council | Undecided | GA91 |
| David Scott | Society of Land Surveyors of Iowa | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |
| John Strathman | VALOR Iowa | Supporting | GA91 |