| 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 |
| MaryNelle Trefz | Common Good Iowa | Supporting | GA89 |
| Mike Owen | Common Good Iowa | Supporting | GA89 |
| Natalie Veldhouse | Common Good Iowa | Supporting | GA89 |
| Sheila Hansen | Common Good Iowa | Supporting | GA89 |
| Michael Triplett | Greater Iowa Apartment Association | Undecided | GA89 |
| Jay Iverson | Home Builders Association of Iowa | Undecided | GA89 |
| Andrew Lietzow | Iowa Apartment Association (dba IaRPOA) | Opposing | GA89 |
| Mike Heller | Iowa Association of Magistrate Judges | Undecided | GA89 |
| Paula Feltner | Iowa Association of Magistrate Judges | Undecided | GA89 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA89 |
| Dustin Miller | Iowa Broadcasters Association | Undecided | GA89 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Supporting | GA89 |
| Brad Epperly | Iowa Collectors Association, Inc. | Undecided | GA89 |
| Dustin Miller | Iowa Collectors Association, Inc. | Undecided | GA89 |
| Bob Rafferty | Iowa Housing Partnership | Undecided | GA89 |
| Nick Laning | Iowa Housing Partnership | Undecided | GA89 |
| Rachel Ong | Iowa Housing Partnership | 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 |
| Andrew Lietzow | Iowa Landlord Association | Opposing | GA89 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA89 |
| Dustin Miller | Iowa Newspaper Association | Undecided | GA89 |
| Sydney Gangestad | Iowa Physician Assistant Society | Supporting | GA89 |
| Tim Coonan | Iowa Physician Assistant Society | Supporting | GA89 |
| Jim Obradovich | Iowa School Social Workers Association | Supporting | GA89 |
| Robert Mulqueen | Iowa School Social Workers Association | Supporting | 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 |
| Jill Altringer | Landlords of Iowa | Undecided | GA89 |
| Betty Andrews | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Supporting | GA89 |
| David Walker | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Supporting | GA89 |
| Russell Lovell | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Supporting | GA89 |
| Amy Campbell | Polk County - Board of Supervisors | Supporting | GA89 |
| Craig Patterson | Polk County - Board of Supervisors | Supporting | GA89 |
| Cyndi Pederson | United Way of Central Iowa | Supporting | GA89 |
| Dave Stone | United Way of Central Iowa | Supporting | GA89 |
| John Pederson | United Way of Central Iowa | Supporting | GA89 |