| David Scott | American Petroleum Institute | Opposing | GA84 |
| Brad Epperly | Deere & Company | Undecided | GA84 |
| Jason Francque | Deere & Company | Undecided | GA84 |
| Keith Luchtel | Deere & Company | Undecided | GA84 |
| Paula Dierenfeld | Deere & Company | Undecided | GA84 |
| Scott Sundstrom | Deere & Company | Undecided | GA84 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA84 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA84 |
| Keith Luchtel | Greater Des Moines Partnership | Undecided | GA84 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA84 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA84 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA84 |
| Craig Schoenfeld | Hy-Vee, Inc. | Undecided | GA84 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Brad Epperly | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Gary Dickey | IA. Biodiesel Board | Undecided | GA84 |
| Mike St. Clair | IA. Biotechnology Assn. | Undecided | GA84 |
| Brad Epperly | IA. Chamber Alliance | Undecided | GA84 |
| John Stineman | IA. Chamber Alliance | Undecided | GA84 |
| Keith Luchtel | IA. Chamber Alliance | Undecided | GA84 |
| Paula Dierenfeld | IA. Chamber Alliance | Undecided | GA84 |
| Scott Sundstrom | IA. Chamber Alliance | Undecided | GA84 |
| Jerry Fitzgerald | IA. Corn Growers Assn.(ICG) | Undecided | GA84 |
| Maggie Smith-Fitzgerald | IA. Corn Growers Assn.(ICG) | Undecided | GA84 |
| Mark Joyce | IA. Corn Growers Assn.(ICG) | Undecided | GA84 |
| Mindy Poldberg | IA. Corn Growers Assn.(ICG) | Undecided | GA84 |
| Jen Schulte | IA. Farmers Union | Undecided | GA84 |
| Kent Hartwig | IA. Farmers Union | Undecided | GA84 |
| Kyle Frette | IA. Farmers Union | Undecided | GA84 |
| Threase Harms | IA. Farmers Union | Undecided | GA84 |
| Brad Epperly | IA. Grocery Industry Assn. | Opposing | GA84 |
| Keith Luchtel | IA. Grocery Industry Assn. | Opposing | GA84 |
| Paula Dierenfeld | IA. Grocery Industry Assn. | Opposing | GA84 |
| Scott Sundstrom | IA. Grocery Industry Assn. | Opposing | GA84 |
| Mike Heller | IA. Renewable Fuels Assn. (IRF) | Supporting | GA84 |
| Montgomery Shaw | IA. Renewable Fuels Assn. (IRF) | Supporting | GA84 |
| Paula Feltner | IA. Renewable Fuels Assn. (IRF) | Supporting | GA84 |
| Mike Heller | IA. Retail Federation | Undecided | GA84 |
| Paula Feltner | IA. Retail Federation | Undecided | GA84 |
| Brad Epperly | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Keith Luchtel | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Paula Dierenfeld | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Scott Sundstrom | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Larry Blixt | KWIK Trip, Inc. | Undecided | GA84 |
| John Pederson | Kum and Go | Opposing | GA84 |
| Matt Eide | Kum and Go | Opposing | GA84 |
| John Cacciatore | Magellan Midstream Partners | Undecided | GA84 |
| Justin Hupfer | Magellan Midstream Partners | Undecided | GA84 |
| Brad Epperly | Monsanto Company | Undecided | GA84 |
| Keith Luchtel | Monsanto Company | Undecided | GA84 |
| Scott Sundstrom | Monsanto Company | Undecided | GA84 |
| Mike Heller | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA84 |
| Paula Feltner | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA84 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of IA | Opposing | GA84 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of IA | Opposing | GA84 |
| Mona Bond | Petroleum Marketers and Convenience Stores of IA | Opposing | GA84 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of IA | Opposing | GA84 |
| Scott Hedderich | Renewable Energy Group (REG) | Supporting | GA84 |