| Marcia Nichols | AFSCME IA Council 61 | Undecided | GA83 |
| Mitchell Stille | AFSCME IA Council 61 | Undecided | GA83 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA83 |
| Larry Murphy | City of Cedar Rapids | Supporting | GA83 |
| Don Brazelton | IA. Assn. of County Conservation Boards | Supporting | GA83 |
| Brad Epperly | IA. Chapter, American Institute of Architects | Undecided | GA83 |
| James West | IA. Chapter, American Institute of Architects | Undecided | GA83 |
| Keith Luchtel | IA. Chapter, American Institute of Architects | Undecided | GA83 |
| Paula Dierenfeld | IA. Chapter, American Institute of Architects | Undecided | GA83 |
| Scott Sundstrom | IA. Chapter, American Institute of Architects | 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 |
| Hanna DeGroot | IA. State Assn. of Counties | Supporting | GA83 |
| Linda Hinton | IA. State Assn. of Counties | Supporting | GA83 |
| Nathan Bonnett | IA. State Assn. of Counties | Supporting | GA83 |
| William Peterson | IA. State Assn. of Counties | Supporting | GA83 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Supporting | 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 |
| Susan Cameron Daemen | IA. State Sheriffs' & Deputies' Assn. | Supporting | GA83 |
| Cloyd Robinson | Iowans for Tax Relief | Opposing | GA83 |
| Edward Failor, | Iowans for Tax Relief | Opposing | GA83 |
| Katie Koberg | Iowans for Tax Relief | Opposing | GA83 |
| Mary Earnhardt | Iowans for Tax Relief | Opposing | GA83 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA83 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA83 |
| Chad Kleppe | Master Builders of IA | Supporting | GA83 |
| Ned Chiodo | MidAmerican Energy Company | Opposing | GA83 |
| Scott Newhard | MidAmerican Energy Company | Opposing | GA83 |