| Kate Walton | Arconic (Formerly Alcoa) | Undecided | GA90 |
| Madeleine Bradley | Arconic (Formerly Alcoa) | Undecided | GA90 |
| Matt Eide | Arconic (Formerly Alcoa) | Undecided | GA90 |
| Brad Epperly | Bayer U.S. LLC | Undecided | GA90 |
| Casey Nickel | Bayer U.S. LLC | Undecided | GA90 |
| Dustin Miller | Bayer U.S. LLC | Undecided | GA90 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA90 |
| Casey Nickel | Helena Agri-Enterprises, LLC | Undecided | GA90 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | GA90 |
| Mike Heller | Iowa Academy of Trial Lawyers | Opposing | GA90 |
| Andrew Mertens | Iowa Association for Justice | Opposing | GA90 |
| Kellie Paschke | Iowa Association for Justice | Undecided | GA90 |
| Kellie Paschke | Iowa Association for Justice | Opposing | GA90 |
| Lisa Davis-Cook | Iowa Association for Justice | Opposing | GA90 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| John Davis | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| Frederick Haskins | Iowa Insurance Associates | Supporting | GA90 |
| Frederick Haskins | Iowa Insurance Associates | Undecided | GA90 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA90 |
| Matt McKinney | Nationwide Mutual Ins. Co. | Undecided | GA90 |
| RG Schwarm | Nationwide Mutual Ins. Co. | Undecided | GA90 |
| David Adelman | State Farm Insurance | Undecided | GA90 |
| Frank Chiodo | State Farm Insurance | Undecided | GA90 |
| Matt Hinch | State Farm Insurance | Undecided | GA90 |
| Paige Thorson | State Farm Insurance | Undecided | GA90 |
| Sara Allen | State Farm Insurance | Undecided | GA90 |