| 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 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA88 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA88 |
| Sandra Conlin | Human Rights Campaign | Opposing | GA88 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA88 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA88 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA88 |
| Brian Carter | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Carolyn Uhlenhake-Walker | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Gary Nims | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Rita Carter | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Robert Mulqueen | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Roberta Paige | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA88 |
| Damian Thompson | Iowa Safe Schools | Opposing | GA88 |
| Nate Monson | Iowa Safe Schools | Opposing | GA88 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA88 |
| Doug Struyk | Meredith Corporation | Opposing | GA88 |
| Jennifer Dorman | Meredith Corporation | Opposing | GA88 |
| Jim Carney | Meredith Corporation | Opposing | GA88 |
| Keenan Crow | One Iowa Action | Opposing | GA88 |
| Jamie Burch | Planned Parenthood Advocates of Iowa | Opposing | GA88 |
| Jamie Burch | Planned Parenthood North Central States | Opposing | GA88 |
| Angie Long | The Family Leader | Supporting | GA88 |
| Chuck Hurley | The Family Leader | Supporting | GA88 |
| Daniel Sunne | The Family Leader | Supporting | GA88 |
| Danny Carroll | The Family Leader | Supporting | GA88 |
| Angie Long | The Family Leader Foundation | Supporting | GA88 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA88 |
| Daniel Sunne | The Family Leader Foundation | Supporting | GA88 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA88 |
| Madeline Crook | The Family Leader Foundation | Supporting | GA88 |
| Rebekah Oleson | The Family Leader Foundation | Supporting | GA88 |
| John Hale | The Hale Group | Opposing | GA88 |