| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA89 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA89 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | 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 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Opposing | GA89 |
| Gary Grant | City of Cedar Rapids | Opposing | GA89 |
| Larry Murphy | City of Cedar Rapids | Opposing | GA89 |
| Meghan Malloy | City of Cedar Rapids | Opposing | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Opposing | GA89 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Opposing | GA89 |
| Matt McKinney | Google LLC and its Affiliates | Opposing | GA89 |
| RG Schwarm | Google LLC and its Affiliates | Opposing | GA89 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Opposing | GA89 |
| Nick Laning | IBEW Iowa State Conference | Opposing | GA89 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA89 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA89 |
| Phil Jeneary | Iowa Association of School Boards | Undecided | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA89 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | 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 |
| Michael Gronstal | Iowa State Building and Construction Trades | Opposing | GA89 |
| Dylan Gramlich | Laborers International Union of North America | Opposing | GA89 |
| Gary Grant | Linn County Board of Supervisors | Opposing | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Opposing | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Opposing | GA89 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA89 |
| Sydney Gangestad | Technology Association of Iowa | Opposing | GA89 |
| Tim Coonan | Technology Association of Iowa | Opposing | 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 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA89 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA89 |