| Gary Grant | City of Cedar Rapids | Undecided | GA84 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA84 |
| Jerry Fitzgerald | City of Des Moines | Undecided | GA84 |
| Maggie Smith-Fitzgerald | City of Des Moines | Undecided | GA84 |
| Mark Godwin | City of Des Moines | Undecided | GA84 |
| Mark Joyce | City of Des Moines | 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. 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 |
| 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 |
| Doug Bishop | IA. State County Treasurers Assn. | Supporting | GA84 |
| Doug Bishop | IA. State County Treasurers Assn. | Undecided | GA84 |
| Gary Grant | Linn County Board of Supervisors | Supporting | GA84 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA84 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA84 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA84 |
| Kristin Failor | National Federation of Independent Business (NFIB /IA) | Undecided | GA84 |