| Melissa Speed | AFSCME Iowa Council 61 | Supporting | GA89 |
| 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 |
| Jon Murphy | City of Cedar Falls | Undecided | GA89 |
| Tom Cope | City of Cedar Falls | Undecided | GA89 |
| Gary Grant | City of Cedar Rapids | Undecided | GA89 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA89 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA89 |
| Jon Murphy | City of Coralville | Undecided | GA89 |
| Tom Cope | City of Coralville | Undecided | GA89 |
| Doug Struyk | City of Des Moines | Supporting | GA89 |
| Jen Schulte | City of Des Moines | Undecided | GA89 |
| Jennifer Dorman | City of Des Moines | Supporting | GA89 |
| Jim Carney | City of Des Moines | Supporting | GA89 |
| Sarah Chicken | City of Des Moines | Undecided | GA89 |
| Clara Wulfsen | Department of Revenue | Undecided | GA89 |
| Emilee Harris-Puricelli | Des Moines Water Works | Undecided | GA89 |
| Nick Laning | Des Moines Water Works | Undecided | GA89 |
| Threase Harms | Des Moines Water Works | Undecided | GA89 |
| Bob Rafferty | Electronic Services System | Undecided | GA89 |
| Nick Laning | Electronic Services System | Undecided | GA89 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA89 |
| Brad Lint | Iowa Association for Justice | Supporting | GA89 |
| Lisa Davis-Cook | Iowa Association for Justice | Supporting | GA89 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA89 |
| Jeff Smith | Iowa Association of Community College Trustees | Undecided | GA89 |
| Laurie Wolf | Iowa Association of Community College Trustees | Undecided | GA89 |
| Maggie Smith-Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA89 |
| Matt Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA89 |
| Alex Cutchey | Iowa Association of Municipal Utilities | Undecided | GA89 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA89 |
| Michelle Johnson | Iowa Association of School Boards | Undecided | GA89 |
| Phil Jeneary | Iowa Association of School Boards | Undecided | GA89 |
| Julie Smith | Iowa Association of Water Agencies | 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. | Supporting | GA89 |
| Dustin Miller | Iowa Collectors Association, Inc. | Supporting | GA89 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA89 |
| Carrie Malone | Iowa Dept. of Human Services | Undecided | GA89 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA89 |
| Maddie Wilcox | Iowa Dept. of Public Health | 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 |
| Erin Cubit | Iowa Hospital Association | Undecided | GA89 |
| Jamie Horbach | Iowa Hospital Association | Undecided | GA89 |
| Jennifer Klein | Iowa Hospital Association | Undecided | GA89 |
| Maureen Keehnle | Iowa Hospital Association | 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 | Supporting | GA89 |
| Dustin Miller | Iowa Newspaper Association | Supporting | GA89 |
| Margaret Johnson | Iowa Public Information Board | Undecided | GA89 |
| Mike Heller | Iowa State Association of Assessors | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA89 |
| William Peterson | Iowa State Association of Counties | Undecided | 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 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA89 |
| Amy Campbell | Polk County - Board of Supervisors | Undecided | GA89 |
| Craig Patterson | Polk County - Board of Supervisors | Undecided | GA89 |
| Sydney Gangestad | Polk County - Board of Supervisors | Undecided | GA89 |
| Tim Coonan | Polk County - Board of Supervisors | Undecided | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA89 |
| David Wilkerson | School Administrators of Iowa | Opposing | GA89 |
| Jim Romar | Teamsters Local 238 | Supporting | GA89 |
| Gary Grant | Urban County Coalition | Undecided | GA89 |
| Larry Murphy | Urban County Coalition | Undecided | GA89 |
| Meghan Malloy | Urban County Coalition | Undecided | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA89 |