| Michael Triplett | Alliance For Automotive Innovation | Undecided | GA90 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA90 |
| Casey Nickel | BNSF Railway Co. | Undecided | GA90 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA90 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA90 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA90 |
| Tom Ferguson | Iowa County Attorneys Association | Undecided | GA90 |
| Lyle Brehm | Iowa County Engineers Association | Undecided | GA90 |
| Susan Fenton | Iowa Dept. of Transportation | Undecided | GA90 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA90 |
| Chelsea Hoye | Iowa Environmental Council | Undecided | GA90 |
| Cody Smith | Iowa Environmental Council | Undecided | GA90 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA90 |
| Michael Schmidt | Iowa Environmental Council | Undecided | GA90 |
| Threase Harms | Iowa Environmental Council | Undecided | GA90 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA90 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA90 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA90 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA90 |
| Andy Conlin | Tesla | Supporting | GA90 |
| Dennis Tibben | Tesla | Supporting | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |
| Mike Heller | Waste Management, Inc. | Undecided | GA90 |