| Ted Stopulos | Alliant Energy Corporation | Undecided | GA90 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA90 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA90 |
| Jake Highfill | American Petroleum Institute | Opposing | GA90 |
| Christopher Riley | Archer Daniels Midland Company | Opposing | GA90 |
| Tony Phillips | Black Hills Energy | Undecided | GA90 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Kent Hartwig | Gevo | Opposing | GA90 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| Casey Nickel | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| David Peck | Iowa Association of Municipal Utilities | Undecided | GA90 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Undecided | GA90 |
| Sara Allen | Iowa Biotechnology Association | Opposing | GA90 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Supporting | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA90 |
| Jeff Smith | Iowa Corn Growers Association | Opposing | GA90 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association | Opposing | GA90 |
| Matt Fitzgerald | Iowa Corn Growers Association | Opposing | GA90 |
| Mindy Poldberg | Iowa Corn Growers Association | Opposing | GA90 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Opposing | GA90 |
| Nathan Hohnstein | Iowa Renewable Fuels Association (IRF) | Opposing | GA90 |
| Sara Allen | Iowa Renewable Fuels Association (IRF) | Opposing | GA90 |
| Jamie Cashman | Iowa State Association of County Supervisors | Supporting | GA90 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Supporting | GA90 |
| Lucas Beenken | Iowa State Association of County Supervisors | Supporting | GA90 |
| William Peterson | Iowa State Association of County Supervisors | Supporting | GA90 |
| Louis Vander Streek | Iowa Utilities Commission | Undecided | GA90 |
| Maison Bleam | Iowa Utilities Commission | Undecided | GA90 |
| Chaz Allen | Iowa Utility Association | Undecided | GA90 |
| Jefferson Fink | Land of the Free Action | Supporting | GA90 |
| Jim Obradovich | Land of the Free Action | Supporting | GA90 |
| Victoria Sinclair | Land of the Free Action | Supporting | GA90 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA90 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA90 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA90 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | GA90 |
| Ben Gentz | Missouri River Energy Services | Undecided | GA90 |
| Kate Walton | Missouri River Energy Services | Undecided | GA90 |
| Madeleine Bradley | Missouri River Energy Services | Undecided | GA90 |
| Matt Eide | Missouri River Energy Services | Undecided | GA90 |
| Christopher Rants | ONEOK | Opposing | GA90 |
| John Cacciatore | ONEOK | Opposing | GA90 |
| Andy Conlin | POET, LLC | Opposing | GA90 |
| Dennis Tibben | POET, LLC | Opposing | GA90 |
| BRITTANY LUMLEY | Summit Carbon Solutions | Opposing | GA90 |
| Courtney Craig | Summit Carbon Solutions | Opposing | GA90 |
| Elliott Meyer | Summit Carbon Solutions | Opposing | GA90 |
| Jake Ketzner | Summit Carbon Solutions | Opposing | GA90 |
| Jeffrey Boeyink | Summit Carbon Solutions | Opposing | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |
| John Strathman | VALOR Iowa | Supporting | GA90 |
| John Strathman | VALOR Iowa | Undecided | GA90 |