| Morgan Fritz | Annett Holdings | Opposing | GA89 |
| Robert Weiser | Annett Holdings | Opposing | GA89 |
| Kate Walton | Arconic (Formerly Alcoa) | Opposing | GA89 |
| Madeleine Bradley | Arconic (Formerly Alcoa) | Opposing | GA89 |
| Matt Eide | Arconic (Formerly Alcoa) | Opposing | GA89 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA89 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA89 |
| Brad Epperly | Bayer U.S. LLC | Undecided | GA89 |
| Dustin Miller | Bayer U.S. LLC | Undecided | GA89 |
| Carolann Jensen | Board of Regents, State of Iowa | Undecided | GA89 |
| Jennifer Harbison | Board of Regents, State of Iowa | Undecided | GA89 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA89 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA89 |
| Morgan Fritz | CRST International | Opposing | GA89 |
| Robert Weiser | CRST International | Opposing | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Marcus Haack | Episcopal Diocese of Iowa | Opposing | GA89 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA89 |
| Sydney Gangestad | Everytown for Gun Safety Action Fund | Opposing | GA89 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA89 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | GA89 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA89 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA89 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Opposing | GA89 |
| John Davis | Iowa Association of Business and Industry (ABI) | Opposing | GA89 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Opposing | GA89 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Opposing | GA89 |
| Steffi Lee | Iowa Association of Business and Industry (ABI) | Opposing | GA89 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA89 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA89 |
| Larry Murphy | Iowa Catholic Conference | Opposing | GA89 |
| Meghan Malloy | Iowa Catholic Conference | Opposing | GA89 |
| Tom Chapman | Iowa Catholic Conference | Opposing | GA89 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA89 |
| Brad Epperly | Iowa Collectors Association, Inc. | Undecided | GA89 |
| Dustin Miller | Iowa Collectors Association, Inc. | Undecided | GA89 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA89 |
| Richard Rogers | Iowa Firearms Coalition, Inc. | Supporting | GA89 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA89 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA89 |
| Kellie Paschke | Iowa Peace Officers Association | Undecided | GA89 |
| Kelly Meyers | Iowa Peace Officers Association | Undecided | GA89 |
| Logan Murray | Iowa Peace Officers Association | Undecided | GA89 |
| Troy Skinner | Iowa Peace Officers Association | Undecided | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA89 |
| Tony Phillips | Iowa State Sheriffs' & Deputies' Association | Undecided | GA89 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA89 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA89 |
| Ben Hammes | Master Builders of Iowa | Opposing | GA89 |
| Julie Smith | Master Builders of Iowa | Opposing | GA89 |
| Scott Jones | National Rifle Association of America | Supporting | GA89 |
| Bill Gustoff | Personal Interest -Bill Gustoff | Supporting | GA89 |
| Michael Triplett | Union Pacific Railroad | Undecided | GA89 |
| Brandon Geib | Wellmark, Inc. | Opposing | GA89 |
| Scott Sundstrom | Wellmark, Inc. | Opposing | GA89 |