| Daniel Zeno | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA87 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA87 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA87 |
| Marty Ryan | Fawkes-Lee & Ryan Inc. | Supporting | GA87 |
| Stephanie Fawkes-Lee | Fawkes-Lee & Ryan Inc. | Supporting | GA87 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Supporting | GA87 |
| Bob Ward | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Gary Nims | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Kathleen McQuillen | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Sheila Corsbie | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| William Steward | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Deborah Neustadt | Iowa Chapter of Sierra Club | Supporting | GA87 |
| Neila Seaman | Iowa Chapter of Sierra Club | Supporting | GA87 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Supporting | GA87 |
| Kerri Johannsen | Iowa Environmental Council | Withdrawn | GA87 |
| Kerri Johannsen | Iowa Environmental Council | Supporting | GA87 |
| Ralph Rosenberg | Iowa Environmental Council | Supporting | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA87 |
| William Peterson | Iowa State Association of Counties | Undecided | GA87 |
| Brad Hudson | Iowa State Education Association | Undecided | GA87 |
| Melissa Peterson | Iowa State Education Association | Undecided | GA87 |
| Amy Campbell | League of Women Voters of Iowa | Supporting | GA87 |
| Craig Patterson | League of Women Voters of Iowa | Supporting | GA87 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA87 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA87 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA87 |
| Gary Grant | Urban County Coalition | Undecided | GA87 |
| Larry Murphy | Urban County Coalition | Undecided | GA87 |
| Meghan Malloy | Urban County Coalition | Undecided | GA87 |