| David Scott | American Petroleum Institute | Undecided | GA85 |
| Nicole Woodroffe | Annett Holdings | Undecided | GA85 |
| Robert Weiser | Annett Holdings | Undecided | GA85 |
| Christopher Riley | Archer Daniels Midland Company | Supporting | GA85 |
| Nicole Woodroffe | CRST International | Undecided | GA85 |
| Robert Weiser | CRST International | Undecided | GA85 |
| Billi Hunt | Du Pont Businesses | Supporting | GA85 |
| Mark Joyce | Du Pont Businesses | Undecided | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Gary Dickey | Iowa Biodiesel Board | Supporting | GA85 |
| Mike St. Clair | Iowa Biotechnology Association | Undecided | GA85 |
| Jerry Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA85 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA85 |
| Mark Joyce | Iowa Corn Growers Association(ICG) | Supporting | GA85 |
| Mindy Poldberg | Iowa Corn Growers Association(ICG) | Supporting | GA85 |
| John Pederson | Iowa Ethanol Producers Association | Supporting | GA85 |
| Matt Eide | Iowa Ethanol Producers Association | Supporting | GA85 |
| Don Petersen | Iowa Farm Bureau Federation | Supporting | GA85 |
| Marty Schwager | Iowa Farm Bureau Federation | Supporting | GA85 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA85 |
| Courtney Willits | Iowa Farmers Union | Undecided | GA85 |
| Kent Hartwig | Iowa Farmers Union | Undecided | GA85 |
| Threase Harms | Iowa Farmers Union | Undecided | GA85 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Grocery Industry Association | Undecided | GA85 |
| Drue Sander | Iowa Institute for Cooperatives | Supporting | GA85 |
| Drue Sander | Iowa Institute for Cooperatives | Undecided | GA85 |
| Kayla Lyon | Iowa Institute for Cooperatives | Supporting | GA85 |
| Kayla Lyon | Iowa Institute for Cooperatives | Undecided | GA85 |
| Laverne Schroeder | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA85 |
| Grant Menke | Iowa Renewable Fuels Association (IRF) | Supporting | GA85 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Supporting | GA85 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Supporting | GA85 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA85 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA85 |
| Scott Sundstrom | Iowa Society of Certified Public Accountants | Undecided | GA85 |
| Jill Altringer | Iowa Soybean Association | Supporting | GA85 |
| Jim Obradovich | Iowa Wind Energy Association | Supporting | GA85 |
| Larry Blixt | KWIK Trip, Inc. | Undecided | GA85 |
| John Pederson | Kum and Go | Undecided | GA85 |
| Matt Eide | Kum and Go | Undecided | GA85 |
| Brad Epperly | Monsanto Company | Undecided | GA85 |
| Scott Sundstrom | Monsanto Company | Undecided | GA85 |
| Mike Heller | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA85 |
| Paula Feltner | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA85 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of Iowa | Opposing | GA85 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of Iowa | Opposing | GA85 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Lindsay Phillips | Petroleum Marketers and Convenience Stores of Iowa | Opposing | GA85 |
| Lindsay Phillips | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of Iowa | Opposing | GA85 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Scott Hedderich | Renewable Energy Group (REG) | Supporting | GA85 |
| Bob Rafferty | Truckstops of Iowa | Undecided | GA85 |