| Daniel Zeno | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA88 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA88 |
| Robert Mulqueen | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA88 |
| Drew Klein | Americans For Prosperity | Supporting | GA88 |
| Tyler Raygor | Americans For Prosperity | Supporting | 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 |
| Jeff Smith | Iowa Association of Community College Trustees | Undecided | GA88 |
| Jerry Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA88 |
| Laurie Wolf | 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 |
| Julie Smith | Iowa Association of Municipal Utilities | Opposing | GA88 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Opposing | GA88 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA88 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA88 |
| Cohl Bultje | Iowa Ethics and Campaign Disclosure Board | Undecided | GA88 |
| Megan Tooker | Iowa Ethics and Campaign Disclosure Board | Undecided | GA88 |
| Don Petersen | Iowa Farm Bureau Federation | Supporting | GA88 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Supporting | GA88 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA88 |
| Richard Rogers | Iowa Firearms Coalition, Inc. | Supporting | GA88 |
| John Benson | Iowa Homeland Security & Emergency Management Div. | Undecided | GA88 |
| Erika Eckley | Iowa Hospital Association | Undecided | GA88 |
| Erin Cubit | Iowa Hospital Association | Undecided | GA88 |
| J. Norris | Iowa Hospital Association | Undecided | GA88 |
| Kim Murphy | Iowa Hospital Association | Undecided | GA88 |
| Maureen Keehnle | Iowa Hospital Association | Undecided | GA88 |
| Alan Kemp | Iowa League of Cities | Undecided | GA88 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA88 |
| Robert Palmer | Iowa League of Cities | Undecided | GA88 |
| Jim Henter | Iowa Retail Federation | Supporting | 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 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Ernie Adkison | Iowans for Tax Relief | Supporting | GA88 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA88 |
| Stephanie Bredman | Kirkwood Community College | Undecided | GA88 |
| Kate Walton | Missouri River Energy Services | Opposing | GA88 |
| Matt Eide | Missouri River Energy Services | Opposing | GA88 |
| Doug Struyk | Resale Power Group of Iowa | Opposing | GA88 |
| Jennifer Dorman | Resale Power Group of Iowa | Opposing | GA88 |
| Jim Carney | Resale Power Group of Iowa | Opposing | GA88 |