| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| Brad Cranston | Iowa Baptists For Biblical Values | Supporting | GA91 |
| David Adelman | Iowa Biotechnology Association | Undecided | GA91 |
| Frank Chiodo | Iowa Biotechnology Association | Undecided | GA91 |
| Matt Hinch | Iowa Biotechnology Association | Undecided | GA91 |
| Paige Thorson | Iowa Biotechnology Association | Undecided | GA91 |
| Sara Allen | Iowa Biotechnology Association | Undecided | GA91 |
| Sara Throener | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Sarah Vanderploeg | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Todd Coffelt | Iowa Dept. of Natural Resources | Undecided | GA91 |
| Nick Laning | Iowa Emergency Management Association | Undecided | GA91 |
| Noah Hackbart | Iowa Emergency Management Association | Undecided | GA91 |
| Threase Harms | Iowa Emergency Management Association | Undecided | GA91 |
| Jeff Pitts | Iowa Faith and Freedom Coalition | Supporting | GA91 |
| Teresa Bomhoff | Iowa Integrated Health Planning and Advisory Council | Opposing | GA91 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA91 |
| Kate Walton | Iowa Public Health Association | Opposing | GA91 |
| Madeleine Bradley | Iowa Public Health Association | Opposing | GA91 |
| Matt Eide | Iowa Public Health Association | Opposing | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |
| John Strathman | VALOR Iowa | Supporting | GA91 |