| 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 |
| Clara Wulfsen | Department of Revenue | Undecided | GA89 |
| Bill Gustoff | Homeschool Iowa | Supporting | GA89 |
| Joe Bailey | Homeschool Iowa | Supporting | GA89 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| John Davis | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Nathan Blake | Iowa Attorney General Dept. of Justice | Opposing | GA89 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA89 |
| Dustin Miller | Iowa Broadcasters Association | Undecided | GA89 |
| James Kersten | Iowa Central Community College | Undecided | GA89 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Supporting | GA89 |
| Erin Cubit | Iowa Hospital Association | Undecided | GA89 |
| J. Norris | Iowa Hospital Association | Undecided | GA89 |
| Kim Murphy | Iowa Hospital Association | Undecided | GA89 |
| Maureen Keehnle | Iowa Hospital Association | Undecided | GA89 |
| Nicole Proesch | Iowa Hospital Association | Undecided | GA89 |
| Chance McElhaney | Iowa Insurance Division | Undecided | GA89 |
| Amber Shanahan-Fricke | Iowa Judicial Branch - Supreme Court | Undecided | GA89 |
| Caitlin Jarzen | Iowa Judicial Branch - Supreme Court | Undecided | GA89 |
| Molly Kottmeyer | Iowa Judicial Branch - Supreme Court | Undecided | GA89 |
| Todd Nuccio | Iowa Judicial Branch - Supreme Court | Undecided | GA89 |
| Alan Kemp | Iowa League of Cities | Undecided | GA89 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA89 |
| Robert Palmer | Iowa League of Cities | Undecided | GA89 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA89 |
| Dustin Miller | Iowa Newspaper Association | Undecided | GA89 |
| Brett Toresdahl | Iowa Public Information Board | Undecided | GA89 |
| Margaret Johnson | Iowa Public Information Board | Undecided | GA89 |
| Zach Goodrich | Iowa Public Information Board | Withdrawn | GA89 |
| Zach Goodrich | Iowa Public Information Board | Undecided | GA89 |
| Becky Tayler | Iowa Safe Schools | Supporting | GA89 |
| Damian Thompson | Iowa Safe Schools | Supporting | GA89 |
| Eric Gookin | Iowa Secretary of State | Undecided | GA89 |
| Kate Walton | Iowa Society for Respiratory Care | Undecided | GA89 |
| Matt Eide | Iowa Society for Respiratory Care | Undecided | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA89 |
| Jim Carney | Iowa State Bar Association | Undecided | GA89 |
| Ernie Adkison | Iowans for Tax Relief | Supporting | GA89 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA89 |
| Alan Ostergren | Kirkwood Institute | Supporting | GA89 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA89 |
| Courtney Reyes | One Iowa | Supporting | GA89 |
| Keenan Crow | One Iowa | Supporting | GA89 |
| Courtney Reyes | One Iowa Action | Supporting | GA89 |
| Keenan Crow | One Iowa Action | Supporting | GA89 |
| Bill Gustoff | Personal Interest -Bill Gustoff | Supporting | GA89 |
| Tammy Kobza | Phyllis Schlafly Eagles of Iowa | Supporting | GA89 |
| Jamie Burch | Planned Parenthood Advocates of Iowa | Supporting | GA89 |
| Jamie Burch | Planned Parenthood North Central States | 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 |
| Julie Smith | The Philanthropy Roundtable | Supporting | GA89 |
| Matt McKinney | The Philanthropy Roundtable | Supporting | GA89 |
| RG Schwarm | The Philanthropy Roundtable | Supporting | GA89 |