| Amy Campbell | AARP Iowa | Undecided | GA88 |
| Brad Anderson | AARP Iowa | Undecided | GA88 |
| Craig Patterson | AARP Iowa | Undecided | GA88 |
| Mazie Stilwell | AFSCME Iowa Council 61 | Supporting | GA88 |
| Morgan Miller | AFSCME Iowa Council 61 | Supporting | 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 |
| Teresa Bomhoff | IA Mental Health Planning Council | Supporting | GA88 |
| Jeff Smith | Iowa Association of Community College Trustees | Undecided | GA88 |
| Jerry Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA88 |
| Maggie Smith-Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA88 |
| Matt Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA88 |
| Rik Shannon | Iowa Developmental Disabilities Council | Supporting | GA88 |
| Cohl Bultje | Iowa Ethics and Campaign Disclosure Board | Undecided | GA88 |
| Megan Tooker | Iowa Ethics and Campaign Disclosure Board | Undecided | GA88 |
| Holly Hart | Iowa Green Party | Opposing | 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 |
| Matt McKinney | Iowa Hospital Association | Undecided | GA88 |
| Maureen Keehnle | Iowa Hospital Association | Undecided | GA88 |
| Heidi Burhans | Iowa Secretary of State | Undecided | GA88 |
| Heidi Burhans | Iowa Secretary of State | Supporting | GA88 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA88 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of Counties | Opposing | GA88 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA88 |
| William Peterson | Iowa State Association of Counties | Undecided | GA88 |
| William Peterson | Iowa State Association of Counties | Opposing | GA88 |
| Jamie Cashman | Iowa State Association of County Auditors | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of County Auditors | Opposing | GA88 |
| Kristi Harshbarger | Iowa State Association of County Auditors | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of County Auditors | Opposing | GA88 |
| Lucas Beenken | Iowa State Association of County Auditors | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of County Auditors | Opposing | GA88 |
| William Peterson | Iowa State Association of County Auditors | Undecided | GA88 |
| William Peterson | Iowa State Association of County Auditors | Opposing | GA88 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA88 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA88 |
| Bradley Hudson | Iowa State Education Association | Supporting | GA88 |
| Melissa Peterson | Iowa State Education Association | Supporting | GA88 |
| Amy Campbell | League of Women Voters of Iowa | Supporting | GA88 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA88 |
| Craig Patterson | League of Women Voters of Iowa | Supporting | 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 |
| Gary Grant | Urban County Coalition | Undecided | GA88 |
| Larry Murphy | Urban County Coalition | Undecided | GA88 |
| Meghan Malloy | Urban County Coalition | Undecided | GA88 |