| Robert Weiser | 3M Company and its affiliates | Undecided | GA88 |
| Robert Weiser | Annett Holdings | Undecided | GA88 |
| Kate Walton | Arconic (Formerly Alcoa) | Opposing | GA88 |
| Matt Eide | Arconic (Formerly Alcoa) | Opposing | GA88 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA88 |
| Kristin Bauer | Board of Regents, State of Iowa | Undecided | GA88 |
| Mark Braun | Board of Regents, State of Iowa | Undecided | GA88 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA88 |
| Robert Weiser | CRST International | Undecided | GA88 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA88 |
| Sydney Gangestad | Everytown for Gun Safety Action Fund | Opposing | GA88 |
| Sydney Gangestad | Everytown for Gun Safety Action Fund | Undecided | GA88 |
| Tim Coonan | Everytown for Gun Safety Action Fund | Opposing | GA88 |
| Tim Coonan | Everytown for Gun Safety Action Fund | Undecided | GA88 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA88 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA88 |
| Mike Heller | Iowa Academy of Trial Lawyers | Opposing | GA88 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA88 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Opposing | GA88 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Undecided | GA88 |
| Brad Lint | Iowa Association for Justice | Undecided | GA88 |
| Lisa Davis-Cook | Iowa Association for Justice | Undecided | GA88 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Opposing | GA88 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Opposing | GA88 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Opposing | GA88 |
| David Palmer | Iowa Association of Community College Trustees | Undecided | GA88 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA88 |
| James Kersten | Iowa Association of Community College Trustees | Undecided | GA88 |
| Jeff Smith | Iowa Association of Community College Trustees | Undecided | GA88 |
| Jerry Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA88 |
| Maggie Smith-Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA88 |
| Matt Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA88 |
| Mike Heller | Iowa Association of Magistrate Judges | Opposing | GA88 |
| Mike Heller | Iowa Association of Magistrate Judges | Undecided | GA88 |
| Paula Feltner | Iowa Association of Magistrate Judges | Opposing | GA88 |
| Paula Feltner | Iowa Association of Magistrate Judges | Undecided | GA88 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA88 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA88 |
| Larry Murphy | Iowa Catholic Conference | Opposing | GA88 |
| Meghan Malloy | Iowa Catholic Conference | Opposing | GA88 |
| Tom Chapman | Iowa Catholic Conference | Opposing | GA88 |
| James Kersten | Iowa Central Community College | Undecided | GA88 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA88 |
| Brian Carter | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Gary Nims | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Rita Carter | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Sheila Corsbie | Iowa Conference of United Methodist Church | Opposing | GA88 |
| William Steward | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA88 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA88 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA88 |
| Susan Cameron Daemen | Iowa County Attorneys Association | Undecided | GA88 |
| Derek Drayer | Iowa Firearms Coalition, Inc. | Supporting | GA88 |
| Richard Rogers | Iowa Firearms Coalition, Inc. | Supporting | GA88 |
| BRITTANY LUMLEY | Iowa Judges Association | Opposing | GA88 |
| Charlotte Eby | Iowa Judges Association | Opposing | GA88 |
| Taylor McDonald | Iowa Judges Association | Opposing | 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) | Opposing | GA88 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Withdrawn | 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) | Opposing | GA88 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Withdrawn | GA88 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA88 |
| Amy Campbell | Iowa Public Transit Association (IPT) | Opposing | GA88 |
| Craig Patterson | Iowa Public Transit Association (IPT) | Opposing | GA88 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA88 |
| William Peterson | Iowa State Association of Counties | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA88 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA88 |
| Bradley Hudson | Iowa State Education Association | Opposing | GA88 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA88 |
| Brian Johnson | Iowa State Fair | Undecided | GA88 |
| Craig Walter | Iowa State Fair | Undecided | GA88 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Undecided | GA88 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA88 |
| Jeremy Brigham | Iowans for Gun Safety | Opposing | GA88 |
| Scott Peterson | Iowans for Gun Safety | Opposing | GA88 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA88 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA88 |
| Scott Jones | National Rifle Association of America | Supporting | GA88 |
| Donna Orton | North Iowa Area Community College | Undecided | GA88 |
| Jesse Cickavage | Personal Interest-Jesse Cickavage | Supporting | GA88 |
| Erin Davison-Rippey | Planned Parenthood Advocates of Iowa | Opposing | GA88 |
| Jamie Burch | Planned Parenthood Advocates of Iowa | Opposing | GA88 |
| Erin Davison-Rippey | Planned Parenthood North Central States | Opposing | GA88 |
| Jamie Burch | Planned Parenthood North Central States | Opposing | GA88 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA88 |
| Craig Walter | Polk County - Board of Supervisors | Undecided | GA88 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA88 |
| David Wilkerson | School Administrators of Iowa | Opposing | GA88 |
| Michael Triplett | Union Pacific Railroad | Undecided | GA88 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA88 |
| Frank Stork | Wellmark, Inc. | Opposing | GA88 |
| Scott Sundstrom | Wellmark, Inc. | Opposing | GA88 |