| Ted Stopulos | Alliant Energy Corporation | Undecided | GA90 |
| Jake Highfill | American Petroleum Institute | Opposing | GA90 |
| Tony Phillips | American Petroleum Institute | Opposing | GA90 |
| Tony Phillips | Black Hills Energy | Undecided | GA90 |
| Kent Hartwig | Gevo | Opposing | GA90 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Opposing | GA90 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA90 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA90 |
| Mark Joyce | ITC Midwest | Undecided | GA90 |
| Todd Schulz | ITC Midwest | Undecided | GA90 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | 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 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Opposing | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA90 |
| Andy Conlin | Iowa Ethanol Producers Association | Opposing | GA90 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Undecided | GA90 |
| Matt Gronewald | Iowa Farm Bureau Federation | Undecided | GA90 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Undecided | GA90 |
| David Adelman | Iowa Renewable Fuels Association (IRF) | Opposing | GA90 |
| Frank Chiodo | Iowa Renewable Fuels Association (IRF) | Opposing | GA90 |
| Lillie Brady | Iowa Renewable Fuels Association (IRF) | Opposing | GA90 |
| Matt Hinch | Iowa Renewable Fuels Association (IRF) | 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 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 |
| Chaz Allen | Iowa Utility Association | Opposing | GA90 |
| Chaz Allen | Iowa Utility Association | Undecided | GA90 |
| Dylan Gramlich | Laborers International Union of North America | Opposing | 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 |
| Elizabeth Burns-Thompson | Navigator Heartland Greenway LLC | Opposing | GA90 |
| Mark Joyce | Navigator Heartland Greenway LLC | Opposing | GA90 |
| Christopher Rants | ONEOK | Opposing | GA90 |
| John Cacciatore | ONEOK | Opposing | GA90 |
| BRITTANY LUMLEY | Summit Carbon Solutions | Opposing | GA90 |
| Courtney Craig | Summit Carbon Solutions | Opposing | GA90 |
| Jake Ketzner | Summit Carbon Solutions | Opposing | GA90 |
| Jeffrey Boeyink | Summit Carbon Solutions | Opposing | GA90 |
| Robert Weiser | Summit Carbon Solutions | Opposing | GA90 |
| Taylor McDonald | Summit Carbon Solutions | Opposing | GA90 |
| Brad Epperly | TC Energy | Undecided | GA90 |
| Dustin Miller | TC Energy | Undecided | GA90 |
| David Adelman | Wolf Carbon Solutions | Opposing | GA90 |
| Frank Chiodo | Wolf Carbon Solutions | Opposing | GA90 |
| Lillie Brady | Wolf Carbon Solutions | Opposing | GA90 |
| Matt Hinch | Wolf Carbon Solutions | Opposing | GA90 |
| Sara Allen | Wolf Carbon Solutions | Opposing | GA90 |