| Larry Murphy | Agribusiness Assn. of IA | Undecided | GA83 |
| Marc Beltrame | Agribusiness Assn. of IA | Opposing | GA83 |
| Mona Bond | Agribusiness Assn. of IA | Undecided | GA83 |
| Steven Schoenebaum | Agribusiness Assn. of IA | Opposing | GA83 |
| Linda Kinman | Des Moines Water Works | Undecided | GA83 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA83 |
| Don Brazelton | IA. Assn. of County Conservation Boards | Undecided | GA83 |
| Linda Kinman | IA. Assn. of Water Agencies | Undecided | GA83 |
| Brad Epperly | IA. Broadcasters Assn. | Undecided | GA83 |
| James West | IA. Broadcasters Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Broadcasters Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Broadcasters Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Broadcasters Assn. | Undecided | GA83 |
| Tom Chapman | IA. Catholic Conference | Supporting | GA83 |
| Tom Chapman | IA. Catholic Conference | Undecided | GA83 |
| Jill Altringer | IA. Cattlemen's Assn. | Undecided | GA83 |
| Lyle Krewson | IA. Chapter of Sierra Club | Supporting | GA83 |
| Matt Ohloff | IA. Citizens for Community Improvement | Supporting | GA83 |
| NaomiSeaYoung Wittstruck | IA. Conference of United Methodist Church | Supporting | GA83 |
| Jerry Fitzgerald | IA. Corn Growers Assn.(ICG) | Opposing | GA83 |
| Maggie Smith-Fitzgerald | IA. Corn Growers Assn.(ICG) | Opposing | GA83 |
| Mark Joyce | IA. Corn Growers Assn.(ICG) | Opposing | GA83 |
| Mindy Poldberg | IA. Corn Growers Assn.(ICG) | Opposing | GA83 |
| Sharon Tahtinen | IA. Dept. of Natural Resources | Undecided | GA83 |
| Amber Markham | 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. Newspaper Assn. | Undecided | GA83 |
| James West | IA. Newspaper Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Newspaper Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Newspaper Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Newspaper Assn. | Undecided | GA83 |
| Jerry Fitzgerald | IA. Pork Producers Assn. (IPP) | Undecided | GA83 |
| Maggie Smith-Fitzgerald | IA. Pork Producers Assn. (IPP) | Undecided | GA83 |
| Mark Joyce | IA. Pork Producers Assn. (IPP) | Undecided | GA83 |
| Jill Altringer | IA. Poultry Assn. | Undecided | GA83 |
| Kevin Vinchattle | IA. Poultry Assn. | Opposing | GA83 |
| Hanna DeGroot | IA. State Assn. of Counties | Opposing | GA83 |
| Linda Hinton | IA. State Assn. of Counties | Opposing | GA83 |
| Nathan Bonnett | IA. State Assn. of Counties | Opposing | GA83 |
| William Peterson | IA. State Assn. of Counties | Opposing | GA83 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Opposing | GA83 |
| George Appleby | IA. State Bar Assn. | Undecided | GA83 |
| Jennifer Tyler | IA. State Bar Assn. | Undecided | GA83 |
| Jim Carney | IA. State Bar Assn. | Undecided | GA83 |
| Jill Altringer | IA. Turkey Federation | Undecided | GA83 |
| Roy Overton | Izaak Walton League - Iowa Division | Supporting | GA83 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA83 |
| Marc Beltrame | M2P2, LLC | Opposing | GA83 |
| Michael Blaser | M2P2, LLC | Opposing | GA83 |
| MIke Delaney | Raccoon River Watershed Assn. | Supporting | GA83 |
| Marc Beltrame | Smithfield Foods, Inc. | Opposing | GA83 |
| Steven Schoenebaum | Smithfield Foods, Inc. | Opposing | GA83 |