| Doug Struyk | American Cancer Society Cancer Action Network (ACS CAN) | Undecided | GA88 |
| Jackie Cale | American Cancer Society Cancer Action Network (ACS CAN) | Undecided | GA88 |
| Jennifer Dorman | American Cancer Society Cancer Action Network (ACS CAN) | Undecided | GA88 |
| Jim Carney | American Cancer Society Cancer Action Network (ACS CAN) | Undecided | GA88 |
| Stacy Frelund | American Heart Association | Undecided | GA88 |
| Maddie Wilcox | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA88 |
| Threase Harms | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA88 |
| Dale Woolery | Governors Office of Drug Control Policy | Undecided | GA88 |
| Susie Sher | Governors Office of Drug Control Policy | Undecided | GA88 |
| Kate Walton | Ho-Chunk, Inc. | Undecided | GA88 |
| Matt Eide | Ho-Chunk, Inc. | Undecided | GA88 |
| Cord Overton | Iowa Dept. of Corrections | Undecided | GA88 |
| Chandlor Collins | Iowa Dept. of Public Safety | Undecided | GA88 |
| Gary Grant | Iowa Hemp Association | Withdrawn | GA88 |
| Gary Grant | Iowa Hemp Association | Undecided | GA88 |
| Larry Murphy | Iowa Hemp Association | Withdrawn | GA88 |
| Larry Murphy | Iowa Hemp Association | Undecided | GA88 |
| Meghan Malloy | Iowa Hemp Association | Withdrawn | GA88 |
| Meghan Malloy | Iowa Hemp Association | Undecided | GA88 |
| Alan Kemp | Iowa League of Cities | Undecided | GA88 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA88 |
| Robert Palmer | Iowa League of Cities | Undecided | GA88 |
| Kellie Paschke | Iowa Peace Officers Association | Undecided | GA88 |
| Troy Skinner | Iowa Peace Officers Association | Undecided | GA88 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA88 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA88 |
| Meghan Malloy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA88 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Undecided | GA88 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA88 |
| Dane Schumann | MedPharm Iowa | Undecided | GA88 |