| Daniel Zeno | American Civil Liberties Union of Iowa (ACLU-IA) | Undecided | GA88 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Undecided | GA88 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Undecided | GA88 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Undecided | GA88 |
| David Palmer | Iowa Association of Community College Trustees | Undecided | GA88 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA88 |
| James Kersten | Iowa Association of Community College Trustees | Undecided | GA88 |
| Laurie Wolf | Iowa Association of Community College Trustees | Undecided | GA88 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA88 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA88 |
| James Kersten | Iowa Central Community College | Undecided | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA88 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA88 |
| Susan Cameron Daemen | Iowa County Attorneys Association | Undecided | GA88 |
| Alan Kemp | Iowa League of Cities | Opposing | GA88 |
| Daniel Stalder | Iowa League of Cities | Opposing | GA88 |
| Robert Palmer | Iowa League of Cities | Opposing | GA88 |
| Heidi Burhans | Iowa Secretary of State | Supporting | GA88 |
| Jamie Cashman | Iowa State Association of County Auditors | Opposing | GA88 |
| Kristi Harshbarger | Iowa State Association of County Auditors | Opposing | GA88 |
| Lucas Beenken | Iowa State Association of County Auditors | Opposing | GA88 |
| William Peterson | Iowa State Association of County Auditors | Opposing | GA88 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Bradley Hudson | Iowa State Education Association | Undecided | GA88 |
| Melissa Peterson | Iowa State Education Association | Undecided | GA88 |
| Cindy Schulte | Iowa Valley Community College District | Undecided | GA88 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA88 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA88 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA88 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA88 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA88 |
| Donna Orton | North Iowa Area Community College | Undecided | GA88 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA88 |
| David Wilkerson | School Administrators of Iowa | Opposing | GA88 |
| Gary Grant | Urban County Coalition | Undecided | GA88 |
| Larry Murphy | Urban County Coalition | Undecided | GA88 |
| Meghan Malloy | Urban County Coalition | Undecided | GA88 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA88 |