| Christopher Riley | Archer Daniels Midland Company | Opposing | GA89 |
| Jon Murphy | Casey's General Stores | Undecided | GA89 |
| Tom Cope | Casey's General Stores | Undecided | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Marc Beltrame | FUELIowa (PMCI) | Undecided | GA89 |
| David Adelman | Iowa Biotechnology Association | Undecided | GA89 |
| Frank Chiodo | Iowa Biotechnology Association | Undecided | GA89 |
| Jessica Hyland | Iowa Biotechnology Association | Undecided | GA89 |
| Matt Hinch | Iowa Biotechnology Association | Undecided | GA89 |
| Sara Allen | Iowa Biotechnology Association | Undecided | GA89 |
| Colin Tadlock | Iowa Department of Agriculture & Land Stewardship | Undecided | GA89 |
| Angela Davis | Iowa Environmental Council | Undecided | GA89 |
| Bobby Martens | Iowa Institute for Cooperatives | Undecided | GA89 |
| Katie Hall | Iowa Institute for Cooperatives | Undecided | GA89 |
| Mike St. Clair | Iowa Institute for Cooperatives | Undecided | GA89 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Opposing | GA89 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA89 |
| Nathan Hohnstein | Iowa Renewable Fuels Association (IRF) | Opposing | GA89 |
| Nathan Hohnstein | Iowa Renewable Fuels Association (IRF) | Undecided | GA89 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Opposing | GA89 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA89 |
| Jake Ketzner | KWIK Trip, Inc. | Undecided | GA89 |
| Larry Blixt | KWIK Trip, Inc. | Undecided | GA89 |
| Matt McKinney | Kum and Go, L.C. | Undecided | GA89 |
| RG Schwarm | Kum and Go, L.C. | Undecided | GA89 |
| Christopher Rants | Magellan Midstream Partners | Supporting | GA89 |
| John Cacciatore | Magellan Midstream Partners | Supporting | GA89 |
| Kate Walton | POET, LLC | Opposing | GA89 |
| Kate Walton | POET, LLC | Undecided | GA89 |
| Matt Eide | POET, LLC | Opposing | GA89 |
| Matt Eide | POET, LLC | Undecided | GA89 |
| Mike Heller | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA89 |
| Paula Feltner | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA89 |
| Craig Schoenfeld | Valero Energy Corporation | Undecided | GA89 |