| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Brian Selinger | ITC Midwest | Undecided | GA91 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Casey Nickel | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Elliott Gebel | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Ethan Hohenadel | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Haley Moon | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| David Peck | Iowa Association of Municipal Utilities | Undecided | GA91 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Undecided | GA91 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA91 |
| Jake Highfill | Iowa State Sheriffs' & Deputies' Association | Undecided | GA91 |
| Tony Phillips | Iowa State Sheriffs' & Deputies' Association | Undecided | GA91 |
| Stephanie Weisenbach | Iowa Utilities Commission | Undecided | GA91 |
| Chaz Allen | Iowa Utility Association | Undecided | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | GA91 |
| Ben Gentz | Missouri River Energy Services | Undecided | GA91 |
| Kate Walton | Missouri River Energy Services | Undecided | GA91 |
| Madeleine Bradley | Missouri River Energy Services | Undecided | GA91 |
| Matt Eide | Missouri River Energy Services | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |
| Kate Walton | Verizon Corporation and Affiliated Companies | Undecided | GA91 |
| Madeleine Bradley | Verizon Corporation and Affiliated Companies | Undecided | GA91 |
| Matt Eide | Verizon Corporation and Affiliated Companies | Undecided | GA91 |