| MARK MAXWELL | ABATE of IA | Opposing | GA83 |
| Brice Oakley | Casey's General Stores | Opposing | GA83 |
| Don Avenson | Casey's General Stores | Opposing | GA83 |
| Tom Cope | Casey's General Stores | Opposing | GA83 |
| Jason Francque | Deere & Company | Undecided | GA83 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA83 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA83 |
| Craig Schoenfeld | Hy-Vee, Inc. | Undecided | GA83 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Opposing | GA83 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Opposing | GA83 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Opposing | GA83 |
| Brad Epperly | IA. Automobile Dealers Assn. | Opposing | GA83 |
| James West | IA. Automobile Dealers Assn. | Opposing | GA83 |
| Keith Luchtel | IA. Automobile Dealers Assn. | Opposing | GA83 |
| Paula Dierenfeld | IA. Automobile Dealers Assn. | Opposing | GA83 |
| Scott Sundstrom | IA. Automobile Dealers Assn. | Opposing | GA83 |
| Neila Seaman | IA. Chapter of Sierra Club | Opposing | GA83 |
| Don Petersen | IA. Farm Bureau Federation | Undecided | GA83 |
| Joe Johnson | IA. Farm Bureau Federation | Undecided | GA83 |
| Mark Salvador | IA. Farm Bureau Federation | Undecided | GA83 |
| Brad Epperly | IA. Grocery Industry Assn. | Opposing | GA83 |
| James West | IA. Grocery Industry Assn. | Opposing | GA83 |
| Keith Luchtel | IA. Grocery Industry Assn. | Opposing | GA83 |
| Paula Dierenfeld | IA. Grocery Industry Assn. | Opposing | GA83 |
| Scott Sundstrom | IA. Grocery Industry Assn. | Opposing | GA83 |
| Drue Sander | IA. Institute for Cooperatives | Undecided | GA83 |
| Kayla Lyon | IA. Institute for Cooperatives | Undecided | GA83 |
| Montgomery Shaw | IA. Renewable Fuels Assn. (IRF) | Supporting | GA83 |
| Emily Piper | IA. Rural Water Assn. | Undecided | GA83 |
| Larry Blixt | KWIK Trip, Inc. | Opposing | GA83 |
| Brice Oakley | Koch Companies Public Sector, LLC and Affiliates | Opposing | GA83 |
| Don Avenson | Koch Companies Public Sector, LLC and Affiliates | Opposing | GA83 |
| Tom Cope | Koch Companies Public Sector, LLC and Affiliates | Opposing | GA83 |
| John Pederson | Kum and Go | Opposing | GA83 |
| Matt Eide | Kum and Go | Opposing | GA83 |
| Ted Stopulos | Kum and Go | Opposing | GA83 |
| Brad Epperly | Monsanto Company | Undecided | GA83 |
| James West | Monsanto Company | Undecided | GA83 |
| Keith Luchtel | Monsanto Company | Undecided | GA83 |
| Scott Sundstrom | Monsanto Company | Undecided | GA83 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of IA | Opposing | GA83 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of IA | Opposing | GA83 |
| Mona Bond | Petroleum Marketers and Convenience Stores of IA | Opposing | GA83 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of IA | Opposing | GA83 |