| Michael Triplett | Alliance For Automotive Innovation | Undecided | GA90 |
| BRITTANY LUMLEY | Alliant Energy Corporation | Undecided | GA90 |
| Courtney Craig | Alliant Energy Corporation | Undecided | GA90 |
| Jeffrey Boeyink | Alliant Energy Corporation | Undecided | GA90 |
| Taylor McDonald | Alliant Energy Corporation | Undecided | GA90 |
| Ted Stopulos | Alliant Energy Corporation | Undecided | GA90 |
| Jake Highfill | American Petroleum Institute | Supporting | GA90 |
| Tony Phillips | American Petroleum Institute | Supporting | GA90 |
| Drew Klein | Americans For Prosperity | Supporting | GA90 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA90 |
| Scott Newhard | Associated General Contractors of Iowa | Supporting | GA90 |
| Tony Phillips | Black Hills Energy | Supporting | GA90 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Gary Grant | City of Cedar Rapids | Undecided | GA90 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA90 |
| Doug Struyk | City of Des Moines | Undecided | GA90 |
| Emilee Harris-Puricelli | City of Des Moines | Undecided | GA90 |
| Jen Schulte | City of Des Moines | Undecided | GA90 |
| Jennifer Dorman | City of Des Moines | Undecided | GA90 |
| Jim Carney | City of Des Moines | Undecided | GA90 |
| David Peck | FUELIowa (PMCI) | Supporting | GA90 |
| John Hirl | FUELIowa (PMCI) | Supporting | GA90 |
| Marc Beltrame | FUELIowa (PMCI) | Supporting | GA90 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA90 |
| Angela Caulk | International Association of Plumbing & Mechanical Officials (IAPMO) | Withdrawn | GA90 |
| Angela Caulk | International Association of Plumbing & Mechanical Officials (IAPMO) | Undecided | GA90 |
| Noah Tabor | International Association of Plumbing & Mechanical Officials (IAPMO) | Withdrawn | GA90 |
| Noah Tabor | International Association of Plumbing & Mechanical Officials (IAPMO) | Undecided | GA90 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| John Davis | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| Doug Struyk | Iowa Biodiesel Board | Undecided | GA90 |
| Jennifer Dorman | Iowa Biodiesel Board | Undecided | GA90 |
| Jim Carney | Iowa Biodiesel Board | Undecided | GA90 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Undecided | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA90 |
| Nick Boeyink | Iowa Conservative Energy Forum | Supporting | GA90 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA90 |
| Chelsea Hoye | Iowa Environmental Council | Undecided | GA90 |
| Cody Smith | Iowa Environmental Council | Undecided | GA90 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA90 |
| Michael Schmidt | Iowa Environmental Council | Undecided | GA90 |
| Threase Harms | Iowa Environmental Council | Undecided | GA90 |
| Alan Kemp | Iowa League of Cities | Undecided | GA90 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA90 |
| Robert Palmer | Iowa League of Cities | Undecided | GA90 |
| Sydney Gangestad | Iowa Propane Gas Association | Supporting | GA90 |
| Sydney Gangestad | Iowa Propane Gas Association | Undecided | GA90 |
| Tim Coonan | Iowa Propane Gas Association | Supporting | GA90 |
| Tim Coonan | Iowa Propane Gas Association | Undecided | GA90 |
| Jefferson Fink | Iowa Public Airports Association | Undecided | GA90 |
| Jim Obradovich | Iowa Public Airports Association | Undecided | GA90 |
| Doug Struyk | Iowa Soybean Association | Undecided | GA90 |
| Jennifer Dorman | Iowa Soybean Association | Undecided | GA90 |
| Jim Carney | Iowa Soybean Association | Undecided | GA90 |
| Jamie Cashman | Iowa State Association of County Supervisors | Opposing | GA90 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Opposing | GA90 |
| Lucas Beenken | Iowa State Association of County Supervisors | Opposing | GA90 |
| William Peterson | Iowa State Association of County Supervisors | Opposing | 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 | Undecided | GA90 |
| Jake Ketzner | KWIK Trip, Inc. | Supporting | GA90 |
| Larry Blixt | KWIK Trip, Inc. | 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 |
| Troy Skinner | 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 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA90 |
| Andy Conlin | POET, LLC | Undecided | GA90 |
| Dennis Tibben | POET, LLC | Undecided | GA90 |
| Kate Walton | POET, LLC | Undecided | GA90 |
| Madeleine Bradley | POET, LLC | Undecided | GA90 |
| Matt Eide | POET, LLC | Undecided | GA90 |
| Michael Triplett | Union Pacific Railroad | Undecided | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |
| Craig Schoenfeld | Valero Energy Corporation | Supporting | GA90 |
| Nick Boeyink | Valero Energy Corporation | Supporting | GA90 |