| 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 |
| 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 | City of Des Moines | Undecided | GA89 |
| Jen Schulte | City of Des Moines | Undecided | GA89 |
| Jennifer Dorman | City of Des Moines | Undecided | GA89 |
| Jim Carney | City of Des Moines | Undecided | GA89 |
| Sarah Chicken | City of Des Moines | Undecided | GA89 |
| Clara Wulfsen | Department of Revenue | Undecided | GA89 |
| Nick Laning | Des Moines Water Works | Undecided | GA89 |
| Threase Harms | Des Moines Water Works | Undecided | GA89 |
| Hannah McDowell | Grow Clinton County | Opposing | GA89 |
| Hannah McDowell | Grow Clinton County | Undecided | GA89 |
| Nick Laning | Grow Clinton County | Opposing | GA89 |
| Nick Laning | Grow Clinton County | Undecided | GA89 |
| Threase Harms | Grow Clinton County | Opposing | GA89 |
| Threase Harms | Grow Clinton County | Undecided | GA89 |
| Michael McCarthy | Iowa Alliance For Retired Americans | Supporting | GA89 |
| Alex Cutchey | Iowa Association of Municipal Utilities | Opposing | GA89 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA89 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA89 |
| Brad Epperly | Iowa Broadcasters Association | Supporting | GA89 |
| Dustin Miller | Iowa Broadcasters Association | Supporting | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA89 |
| Brad Epperly | Iowa Collectors Association, Inc. | Undecided | GA89 |
| Dustin Miller | Iowa Collectors Association, Inc. | Undecided | GA89 |
| Kelly Meyers | Iowa County Attorneys Association | Opposing | GA89 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA89 |
| Cord Overton | Iowa Dept. of Corrections | Undecided | GA89 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA89 |
| Sarah Jennings | Iowa Dept. of Public Safety | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Supporting | GA89 |
| Kristin Hanks-Bents | Iowa Finance Authority | 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 |
| Robert Gast | Iowa Judicial Branch - Supreme Court | Undecided | GA89 |
| Alan Kemp | Iowa League of Cities | Opposing | GA89 |
| Daniel Stalder | Iowa League of Cities | Opposing | GA89 |
| Robert Palmer | Iowa League of Cities | Opposing | GA89 |
| Brad Epperly | Iowa Newspaper Association | Supporting | GA89 |
| Dustin Miller | Iowa Newspaper Association | Supporting | GA89 |
| Brett Toresdahl | Iowa Public Information Board | Undecided | GA89 |
| Margaret Johnson | Iowa Public Information Board | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Opposing | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA89 |
| William Peterson | Iowa State Association of Counties | Opposing | GA89 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Opposing | GA89 |
| Tony Phillips | Iowa State Sheriffs' & Deputies' Association | Opposing | GA89 |
| Ernie Adkison | Iowans for Tax Relief | Supporting | GA89 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA89 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA89 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA89 |
| Kate Walton | Missouri River Energy Services | Undecided | GA89 |
| Kersten Johnson | Missouri River Energy Services | Undecided | GA89 |
| Matt Eide | Missouri River Energy Services | Undecided | GA89 |
| Amy Campbell | Polk County - Board of Supervisors | Undecided | GA89 |
| Craig Patterson | Polk County - Board of Supervisors | Undecided | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA89 |
| David Wilkerson | School Administrators of Iowa | Opposing | GA89 |
| Kelli Harrison | UAW Region 4 | Supporting | GA89 |
| Karl Schilling | United Professionals/UE | Supporting | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA89 |