| 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 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | 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 |
| Andrew Lietzow | Iowa Apartment Association (dba IaRPOA) | Opposing | GA89 |
| Nathan Blake | Iowa Attorney General Dept. of Justice | Supporting | GA89 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA89 |
| Dustin Miller | Iowa Broadcasters Association | Undecided | GA89 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Supporting | GA89 |
| Amy Campbell | Iowa Coalition Against Sexual Assault | Supporting | GA89 |
| Craig Patterson | Iowa Coalition Against Sexual Assault | Supporting | GA89 |
| Brad Epperly | Iowa Collectors Association, Inc. | Undecided | GA89 |
| Dustin Miller | Iowa Collectors Association, Inc. | 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 |
| Andrew Lietzow | Iowa Real Estate Investors Association | Opposing | GA89 |
| Jill Altringer | Landlords of Iowa | Undecided | GA89 |
| Mitchell Henry | League of United Latin American Citizens Council of Iowa | Supporting | GA89 |
| Amy Campbell | Polk County - Board of Supervisors | Supporting | GA89 |
| Craig Patterson | Polk County - Board of Supervisors | Supporting | GA89 |