| Gary Kay | Cargill | Supporting | GA91 |
| Julie VandeHoef | Cargill | Supporting | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Stacey Pellett | Deere & Company | Supporting | GA91 |
| David Peck | FUELIowa (PMCI) | Undecided | GA91 |
| Marc Beltrame | FUELIowa (PMCI) | Undecided | GA91 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | GA91 |
| Doug Struyk | Iowa Biodiesel Board | Supporting | GA91 |
| Grant Kimberley | Iowa Biodiesel Board | Supporting | GA91 |
| Jennifer Dorman | Iowa Biodiesel Board | Supporting | GA91 |
| Jim Carney | Iowa Biodiesel Board | Supporting | GA91 |
| Emily Piper | Iowa Biotechnology Association | Supporting | GA91 |
| Jessica Hyland | Iowa Biotechnology Association | Supporting | GA91 |
| Logan Shine | Iowa Biotechnology Association | Supporting | GA91 |
| Haley Hook | Iowa Department of Agriculture & Land Stewardship | Supporting | GA91 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Supporting | GA91 |
| Matt Gronewald | Iowa Farm Bureau Federation | Supporting | GA91 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA91 |
| Megan Carlson | Iowa Institute for Cooperatives | Supporting | GA91 |
| Mike St. Clair | Iowa Institute for Cooperatives | Supporting | GA91 |
| Colin Gorton | Iowa Renewable Fuels Association (IRF) | Supporting | GA91 |
| David Adelman | Iowa Renewable Fuels Association (IRF) | Supporting | GA91 |
| Frank Chiodo | Iowa Renewable Fuels Association (IRF) | Supporting | GA91 |
| Matt Hinch | Iowa Renewable Fuels Association (IRF) | Supporting | GA91 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Supporting | GA91 |
| Paige Thorson | Iowa Renewable Fuels Association (IRF) | Supporting | GA91 |
| Sara Allen | Iowa Renewable Fuels Association (IRF) | Supporting | GA91 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA91 |
| Casey Nickel | Iowa Society of Certified Public Accountants | Undecided | GA91 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA91 |
| Doug Struyk | Iowa Soybean Association | Supporting | GA91 |
| Jennifer Dorman | Iowa Soybean Association | Supporting | GA91 |
| Jim Carney | Iowa Soybean Association | Supporting | GA91 |
| Katie Hall | Iowa Soybean Association | Supporting | GA91 |
| Megan Decker | Iowa Soybean Association | Supporting | GA91 |
| Jake Ketzner | KWIK Trip, Inc. | Undecided | GA91 |
| Larry Blixt | KWIK Trip, Inc. | Undecided | GA91 |
| Bob Rafferty | Truckstops of Iowa | Undecided | GA91 |
| Nick Laning | Truckstops of Iowa | Undecided | GA91 |
| Threase Harms | Truckstops of Iowa | Undecided | GA91 |