| MARK MAXWELL | ABATE of Iowa | Opposing | GA89 |
| Matt Caswell | Ag Processing Inc | Supporting | GA89 |
| Michael Triplett | Alliance For Automotive Innovation | Undecided | GA89 |
| Elizabeth Van-Holt | American Petroleum Institute | Opposing | GA89 |
| Drew Klein | Americans For Prosperity | Opposing | GA89 |
| Tyler Raygor | Americans For Prosperity | Opposing | GA89 |
| Morgan Fritz | Annett Holdings | Undecided | GA89 |
| Robert Weiser | Annett Holdings | Undecided | GA89 |
| Christopher Riley | Archer Daniels Midland Company | Supporting | GA89 |
| Brad Epperly | Bayer U.S. LLC | Supporting | GA89 |
| Dustin Miller | Bayer U.S. LLC | Supporting | GA89 |
| Carolann Jensen | Board of Regents, State of Iowa | Undecided | GA89 |
| Jennifer Harbison | Board of Regents, State of Iowa | Undecided | GA89 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA89 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA89 |
| Jim Obradovich | Boone and Scenic Valley Railroad | Undecided | GA89 |
| Jim Obradovich | Burlington Junction Railway | Undecided | GA89 |
| Morgan Fritz | CRST International | Undecided | GA89 |
| Robert Weiser | CRST International | Undecided | GA89 |
| Gary Kay | Cargill | Supporting | GA89 |
| Katie Hall | Cargill | Supporting | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Kent Hartwig | Chevron Renewable Energy Group | Supporting | GA89 |
| Rachel Geilenfeld | Chevron Renewable Energy Group | Supporting | GA89 |
| Mark Joyce | Corteva Agriscience | Supporting | GA89 |
| Robert Haus | Corteva Agriscience | Supporting | GA89 |
| Marc Beltrame | FUELIowa (PMCI) | Opposing | GA89 |
| Ronald N Langston | FUELIowa (PMCI) | Opposing | GA89 |
| John Cacciatore | Farm Credit Service of America | Undecided | GA89 |
| Justin Hupfer | Farm Credit Service of America | Undecided | GA89 |
| Molly Severn | Governor's Office | Supporting | GA89 |
| Jennifer Kingland | Growth Energy | Supporting | GA89 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | GA89 |
| Mark Joyce | Hy-Vee, Inc. | Supporting | GA89 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Steffi Lee | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA89 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA89 |
| David Adelman | Iowa Biotechnology Association | Supporting | GA89 |
| Frank Chiodo | Iowa Biotechnology Association | Supporting | GA89 |
| Jessica Hyland | Iowa Biotechnology Association | Supporting | GA89 |
| Lillie Brady | Iowa Biotechnology Association | Supporting | GA89 |
| Matt Hinch | Iowa Biotechnology Association | Supporting | GA89 |
| Sara Allen | Iowa Biotechnology Association | Supporting | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA89 |
| Jeff Smith | Iowa Corn Growers Association | Supporting | GA89 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association | Supporting | GA89 |
| Matt Fitzgerald | Iowa Corn Growers Association | Supporting | GA89 |
| Mindy Poldberg | Iowa Corn Growers Association | Supporting | GA89 |
| Colin Tadlock | Iowa Department of Agriculture & Land Stewardship | Supporting | GA89 |
| Todd Coffelt | Iowa Dept. of Natural Resources | Supporting | GA89 |
| Susan Fenton | Iowa Dept. of Transportation | Supporting | GA89 |
| Andy Conlin | Iowa Ethanol Producers Association | Supporting | GA89 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Supporting | GA89 |
| Matt Gronewald | Iowa Farm Bureau Federation | Supporting | GA89 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA89 |
| Emilee Harris-Puricelli | Iowa Farmers Union | Supporting | GA89 |
| Threase Harms | Iowa Farmers Union | Supporting | GA89 |
| Bobby Martens | Iowa Institute for Cooperatives | Undecided | GA89 |
| Rebecca Boyer | Iowa Institute for Cooperatives | Undecided | GA89 |
| Jim Obradovich | Iowa Interstate Railroad | Undecided | GA89 |
| David Scott | Iowa Motor Truck Association | Supporting | GA89 |
| David Scott | Iowa Motor Truck Association | Undecided | GA89 |
| MARK MAXWELL | Iowa Motorcycle Dealers Association | Opposing | GA89 |
| David Adelman | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA89 |
| Frank Chiodo | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA89 |
| Lillie Brady | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA89 |
| Matt Hinch | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA89 |
| Sara Allen | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA89 |
| Jim Obradovich | Iowa Public Airports Association | Undecided | GA89 |
| David Adelman | Iowa Renewable Fuels Association (IRF) | Supporting | GA89 |
| Frank Chiodo | Iowa Renewable Fuels Association (IRF) | Supporting | GA89 |
| Lillie Brady | Iowa Renewable Fuels Association (IRF) | Supporting | GA89 |
| Matt Hinch | Iowa Renewable Fuels Association (IRF) | Supporting | GA89 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Supporting | GA89 |
| Nathan Hohnstein | Iowa Renewable Fuels Association (IRF) | Supporting | GA89 |
| Sara Allen | Iowa Renewable Fuels Association (IRF) | Supporting | GA89 |
| Michael Dolch | Iowa Soybean Association | Supporting | GA89 |
| Jake Ketzner | KWIK Trip, Inc. | Supporting | GA89 |
| Jake Ketzner | KWIK Trip, Inc. | Undecided | GA89 |
| Larry Blixt | KWIK Trip, Inc. | Supporting | GA89 |
| Larry Blixt | KWIK Trip, Inc. | Undecided | GA89 |
| Matt McKinney | Kum and Go, L.C. | Supporting | GA89 |
| RG Schwarm | Kum and Go, L.C. | Supporting | GA89 |
| Christopher Rants | Magellan Midstream Partners | Undecided | GA89 |
| John Cacciatore | Magellan Midstream Partners | Undecided | GA89 |
| Kate Walton | POET, LLC | Supporting | GA89 |
| Madeleine Bradley | POET, LLC | Supporting | GA89 |
| Matt Eide | POET, LLC | Supporting | GA89 |
| Savonne Caughey | Pet Food Institute | Opposing | GA89 |
| Steven Schoenebaum | Syngenta Crop Protection | Supporting | GA89 |
| Bob Rafferty | Truckstops of Iowa | Undecided | GA89 |
| Nick Laning | Truckstops of Iowa | Undecided | GA89 |
| Craig Schoenfeld | Valero Energy Corporation | Undecided | GA89 |