| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Drew Klein | Americans For Prosperity | Supporting | GA89 |
| Tyler Raygor | Americans For Prosperity | Supporting | 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 |
| Doug Struyk | Dotdash Meredith | Supporting | GA89 |
| Jennifer Dorman | Dotdash Meredith | Supporting | GA89 |
| Jim Carney | Dotdash Meredith | Supporting | GA89 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA89 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Undecided | GA89 |
| Brad Lint | Iowa Association for Justice | Supporting | GA89 |
| Brad Lint | Iowa Association for Justice | Undecided | GA89 |
| Lisa Davis-Cook | Iowa Association for Justice | Supporting | GA89 |
| Lisa Davis-Cook | Iowa Association for Justice | Undecided | GA89 |
| Matt Gannon | Iowa Attorney General Dept. of Justice | Supporting | GA89 |
| Nathan Blake | Iowa Attorney General Dept. of Justice | Supporting | GA89 |
| Brad Epperly | Iowa Broadcasters Association | Supporting | GA89 |
| Dustin Miller | Iowa Broadcasters Association | Supporting | GA89 |
| David Walker | Iowa Commission on Uniform State Laws c/o David S. Walker, Chair | Supporting | GA89 |
| Julie Smith | Iowa Commission on Uniform State Laws c/o David S. Walker, Chair | Supporting | GA89 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA89 |
| Richard Rogers | Iowa Firearms Coalition, Inc. | Supporting | GA89 |
| Richard Rogers | Iowa Firearms Coalition, Inc. | Undecided | GA89 |
| Robert Ussery | Iowa Minuteman Civil Defense Corps | Supporting | GA89 |
| Brad Epperly | Iowa Newspaper Association | Supporting | GA89 |
| Dustin Miller | Iowa Newspaper Association | Supporting | GA89 |
| Brett Toresdahl | Iowa Public Information Board | Supporting | GA89 |
| Margaret Johnson | Iowa Public Information Board | Supporting | GA89 |
| Zach Goodrich | Iowa Public Information Board | Supporting | GA89 |
| Doug Struyk | Iowa State Bar Association | Supporting | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Supporting | GA89 |
| Jim Carney | Iowa State Bar Association | Supporting | GA89 |
| Kate Walton | Motion Picture Association, Inc. | Supporting | GA89 |
| Matt Eide | Motion Picture Association, Inc. | Supporting | GA89 |
| Frederick Haskins | Patterson Law Firm LLP | Undecided | GA89 |
| Bill Gustoff | Personal Interest -Bill Gustoff | Supporting | GA89 |
| Angie Long | The Family Leader | Supporting | GA89 |
| Chuck Hurley | The Family Leader | Supporting | GA89 |
| Daniel Sunne | The Family Leader | Supporting | GA89 |
| Danny Carroll | The Family Leader | Supporting | GA89 |
| Angie Long | The Family Leader Foundation | Supporting | GA89 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA89 |
| Daniel Sunne | The Family Leader Foundation | Supporting | GA89 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA89 |
| Rebekah Oleson | The Family Leader Foundation | Supporting | GA89 |