| Mazie Stilwell | AFSCME Iowa Council 61 | Opposing | GA88 |
| Morgan Miller | AFSCME Iowa Council 61 | Opposing | GA88 |
| Daniel Zeno | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA88 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA88 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA88 |
| Jeff Smith | Broadlawns Medical Center | Undecided | GA88 |
| Jerry Fitzgerald | Broadlawns Medical Center | Undecided | GA88 |
| Maggie Smith-Fitzgerald | Broadlawns Medical Center | Undecided | GA88 |
| Matt Fitzgerald | Broadlawns Medical Center | Undecided | GA88 |
| Jane Hudson | Disability Rights Iowa | Opposing | GA88 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA88 |
| David Palmer | Iowa Association of Community College Trustees | Undecided | GA88 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA88 |
| Jon Murphy | Iowa Association of Community College Trustees | Undecided | GA88 |
| Laurie Wolf | Iowa Association of Community College Trustees | Undecided | GA88 |
| Tom Cope | 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 | Opposing | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA88 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA88 |
| Rik Shannon | Iowa Developmental Disabilities Council | Opposing | GA88 |
| Cohl Bultje | Iowa Ethics and Campaign Disclosure Board | Undecided | GA88 |
| Megan Tooker | Iowa Ethics and Campaign Disclosure Board | Undecided | GA88 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA88 |
| Holly Hart | Iowa Green Party | Opposing | GA88 |
| Abhay Nadipuram | Iowa Hospital Association | Undecided | GA88 |
| Erika Eckley | Iowa Hospital Association | Undecided | GA88 |
| Erin Cubit | Iowa Hospital Association | Undecided | GA88 |
| J. Norris | Iowa Hospital Association | Undecided | GA88 |
| Kim Murphy | Iowa Hospital Association | Undecided | GA88 |
| Maureen Keehnle | Iowa Hospital Association | Undecided | GA88 |
| Nicole Proesch | Iowa Hospital Association | Undecided | GA88 |
| Alan Kemp | Iowa League of Cities | Undecided | GA88 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA88 |
| Robert Palmer | Iowa League of Cities | Undecided | GA88 |
| Heidi Burhans | Iowa Secretary of State | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA88 |
| Kristi Harshbarger | Iowa State Association of Counties | Opposing | GA88 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA88 |
| William Peterson | Iowa State Association of Counties | Opposing | 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 |
| Bradley Hudson | Iowa State Education Association | Opposing | GA88 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA88 |
| Dan Kinney | Iowa Western Community College | Opposing | GA88 |
| Stephanie Bredman | Kirkwood Community College | Undecided | GA88 |
| Joe Henry | League of United Latin American Citizens (LULAC) | Opposing | GA88 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA88 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA88 |
| Jake Porter | Libertarian Party of Iowa | Opposing | 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 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Opposing | GA88 |
| Jocelyn Fry | Personal Interest - Jocelyn Fry | Opposing | GA88 |
| Emily Piper | Piper Sandler | Opposing | GA88 |
| Amy Campbell | Polk County - Board of Supervisors | Opposing | GA88 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA88 |
| Jim Romar | Teamsters Local 238 | 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 |