| Jason Francque | Deere & Company | Undecided | GA83 |
| Linda Kinman | Des Moines Water Works | Undecided | GA83 |
| Jerry Fitzgerald | Fitzgerald, Joyce and Associates | Undecided | GA83 |
| Maggie Smith-Fitzgerald | Fitzgerald, Joyce and Associates | Undecided | GA83 |
| Mark Joyce | Fitzgerald, Joyce and Associates | Undecided | GA83 |
| F. Thornton | Friends of IA. Land Owners and Sportsmen | Undecided | GA83 |
| F. Thornton | Friends of IA. Land Owners and Sportsmen | Opposing | GA83 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA83 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Brad Epperly | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| James West | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Linda Kinman | IA. Assn. of Water Agencies | Undecided | GA83 |
| Don Brazelton | IA. Bowhunters Assn. | Undecided | GA83 |
| Mindy Poldberg | IA. Corn Growers Assn.(ICG) | Undecided | GA83 |
| Sharon Tahtinen | IA. Dept. of Natural Resources | Supporting | 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 |
| Emily Piper | IA. Rural Water Assn. | Undecided | GA83 |
| Roy Overton | Izaak Walton League - Iowa Division | Supporting | 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 |
| Mike Heller | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA83 |
| Paula Feltner | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA83 |