| Brad Epperly | BNSF Railway Co. | Undecided | GA84 |
| Keith Luchtel | BNSF Railway Co. | Undecided | GA84 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA84 |
| Scott Sundstrom | BNSF Railway Co. | Undecided | GA84 |
| Jim Obradovich | Conservation Districts of IA | Undecided | GA84 |
| Lyle Brehm | IA. County Engineers Assn. | Undecided | GA84 |
| Sharon Tahtinen | IA. Dept. of Natural Resources | Undecided | GA84 |
| Elizabeth Baird | IA. Dept. of Transportation | Undecided | GA84 |
| Jen Schulte | IA. Emergency Management Assn. | Undecided | GA84 |
| Kent Hartwig | IA. Emergency Management Assn. | Undecided | GA84 |
| Threase Harms | IA. Emergency Management Assn. | Undecided | GA84 |
| Jim Obradovich | IA. Environmental Council | Undecided | GA84 |
| Don Petersen | IA. Farm Bureau Federation | Opposing | GA84 |
| Marty Schwager | IA. Farm Bureau Federation | Opposing | GA84 |
| Matthew Steinfeldt | IA. Farm Bureau Federation | Opposing | GA84 |
| John Benson | IA. Homeland Security & Emergency Management Div. | Undecided | GA84 |
| Alan Kemp | IA. League of Cities | Undecided | GA84 |
| Bruce Bergman | IA. League of Cities | Undecided | GA84 |
| Jessica Hyland | IA. League of Cities | Undecided | GA84 |
| Julie Smith | IA. League of Cities | Undecided | GA84 |
| Katherine Carlucci | IA. League of Cities | Undecided | GA84 |
| Larry Pope | IA. League of Cities | Undecided | GA84 |
| Megan Peiffer | IA. League of Cities | Undecided | GA84 |
| Hanna DeGroot | IA. State Assn. of Counties | Undecided | GA84 |
| Kristi Harshbarger | IA. State Assn. of Counties | Undecided | GA84 |
| Linda Hinton | IA. State Assn. of Counties | Undecided | GA84 |
| MaryBeth Mellick | IA. State Assn. of Counties | Undecided | GA84 |
| William Peterson | IA. State Assn. of Counties | Undecided | GA84 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Undecided | GA84 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA84 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA84 |
| Gary Grant | Urban County Coalition | Undecided | GA84 |
| Larry Murphy | Urban County Coalition | Undecided | GA84 |