| Gary Grant | BettermentRS | Undecided | GA88 |
| Larry Murphy | BettermentRS | Undecided | GA88 |
| Meghan Malloy | BettermentRS | Undecided | GA88 |
| Maddie Wilcox | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Supporting | GA88 |
| Threase Harms | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Supporting | GA88 |
| Sydney Gangestad | Cigar Association of America, Inc. | Undecided | GA88 |
| Tim Coonan | Cigar Association of America, Inc. | Undecided | GA88 |
| Clara Wulfsen | Department of Revenue | Undecided | GA88 |
| Tim Reilly | Department of Revenue | Undecided | GA88 |
| Kellie Paschke | FUELIowa (PMCI) | Undecided | GA88 |
| Troy Skinner | FUELIowa (PMCI) | 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 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Supporting | GA88 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Supporting | GA88 |
| Kelly Meyers | Iowa County Attorneys Association | Supporting | GA88 |
| Susan Cameron Daemen | Iowa County Attorneys Association | Supporting | GA88 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA88 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA88 |
| Katie Graham | Iowa Grocery Industry Association | Undecided | GA88 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA88 |
| Gary Grant | Iowa Hemp Association | Undecided | GA88 |
| Larry Murphy | Iowa Hemp Association | Undecided | GA88 |
| Meghan Malloy | Iowa Hemp Association | Undecided | GA88 |
| R. Bruce Beeston | Iowa Hemp Industries Association | Undecided | GA88 |
| Kellie Paschke | Iowa Peace Officers Association | Undecided | GA88 |
| Troy Skinner | Iowa Peace Officers Association | Undecided | GA88 |
| Kate Walton | Iowa Pharmacy Association | Undecided | GA88 |
| Matt Eide | Iowa Pharmacy Association | Undecided | GA88 |
| Gary Grant | NUHemp Group | Undecided | GA88 |
| Larry Murphy | NUHemp Group | Undecided | GA88 |
| Meghan Malloy | NUHemp Group | Undecided | GA88 |