| Jefferson Fink | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Jim Obradovich | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Victoria Sinclair | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Kristina Hamilton | American Lung Association | Opposing | GA90 |
| Doug Struyk | City of Waukee | Undecided | GA90 |
| Jennifer Dorman | City of Waukee | Undecided | GA90 |
| Jim Carney | City of Waukee | Undecided | GA90 |
| Anne Discher | Common Good Iowa | Opposing | GA90 |
| Mike Owen | Common Good Iowa | Opposing | GA90 |
| Sean Finn | Common Good Iowa | Opposing | GA90 |
| Sheila Hansen | Common Good Iowa | Opposing | GA90 |
| Jake Ketzner | Eastlake Partnership | Supporting | GA90 |
| Nick Boeyink | Eastlake Partnership | Supporting | GA90 |
| Angela Caulk | Greater Iowa Apartment Association | Supporting | GA90 |
| Christian Frankl | Greater Iowa Apartment Association | Supporting | GA90 |
| Logan Murray | Greater Iowa Apartment Association | Supporting | GA90 |
| Noah Tabor | Greater Iowa Apartment Association | Supporting | GA90 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA90 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA90 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA90 |
| Andrew Mertens | Iowa Association for Justice | Opposing | GA90 |
| Lisa Davis-Cook | Iowa Association for Justice | Opposing | GA90 |
| Greta Haas | Iowa Association of Realtors | Undecided | GA90 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA90 |
| Sara Throener | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA90 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Undecided | GA90 |
| Nichole Hansen | Iowa Finance Authority | Undecided | GA90 |
| Andy Conlin | Iowa Manufactured Housing Association | Supporting | GA90 |
| Dennis Tibben | Iowa Manufactured Housing Association | Supporting | GA90 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA90 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA90 |
| Jim Carney | Iowa State Bar Association | Undecided | GA90 |
| Morgan Miller | Iowa State Education Association | Undecided | GA90 |
| Angela Caulk | Landlords of Iowa | Supporting | GA90 |
| Christian Frankl | Landlords of Iowa | Supporting | GA90 |
| Logan Murray | Landlords of Iowa | Supporting | GA90 |
| Noah Tabor | Landlords of Iowa | Supporting | GA90 |
| Dave Stone | United Way of Central Iowa | Opposing | GA90 |