| 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 |
| 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 |
| Jennifer Kingland | IA. Assn. of Realtors | 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 |
| Don Petersen | IA. Farm Bureau Federation | Opposing | GA84 |
| Joe Johnson | IA. Farm Bureau Federation | Opposing | GA84 |
| Marty Schwager | IA. Farm Bureau Federation | Opposing | GA84 |
| Matthew Steinfeldt | IA. Farm Bureau Federation | Opposing | 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 |
| Larry Blixt | IA. Greenhouse Growers | Undecided | GA84 |
| Alan Kemp | IA. League of Cities | Undecided | GA84 |
| Jessica Hyland | IA. League of Cities | Undecided | GA84 |
| Julie Smith | IA. League of Cities | Undecided | GA84 |
| Larry Pope | IA. League of Cities | Undecided | GA84 |
| Megan Peiffer | IA. League of Cities | Undecided | GA84 |
| Cody McKinley | IA. Pork Producers Assn. (IPP) | Undecided | GA84 |
| Jerry Fitzgerald | IA. Pork Producers Assn. (IPP) | Undecided | GA84 |
| Maggie Smith-Fitzgerald | IA. Pork Producers Assn. (IPP) | Undecided | GA84 |
| Mark Joyce | IA. Pork Producers Assn. (IPP) | Undecided | GA84 |
| Brenda Knollenberg | IA. Poultry Assn. | Undecided | GA84 |
| Kevin Vinchattle | IA. Poultry Assn. | 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 |
| Jill Altringer | IA. Soybean Assn. | Undecided | GA84 |
| Mike Heller | IA. State Assn. of Assessors | Supporting | GA84 |
| Mike Heller | IA. State Assn. of Assessors | Undecided | GA84 |
| Paula Feltner | IA. State Assn. of Assessors | Supporting | GA84 |
| Paula Feltner | IA. State Assn. of Assessors | Undecided | GA84 |
| Hanna DeGroot | IA. State Assn. of Counties | Supporting | GA84 |
| Linda Hinton | IA. State Assn. of Counties | Supporting | GA84 |
| MaryBeth Mellick | IA. State Assn. of Counties | Supporting | GA84 |
| Nathan Bonnett | IA. State Assn. of Counties | Supporting | GA84 |
| William Peterson | IA. State Assn. of Counties | Supporting | GA84 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Supporting | GA84 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA84 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA84 |
| Adam Gregg | M2P2, LLC | Undecided | GA84 |
| Marc Beltrame | M2P2, LLC | Undecided | GA84 |
| Michael Blaser | M2P2, LLC | Undecided | GA84 |