| 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 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA88 |
| Sandra Conlin | Human Rights Campaign | Opposing | GA88 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA88 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA88 |
| Amy Campbell | Iowa Coalition Against Sexual Assault | Opposing | GA88 |
| Craig Patterson | Iowa Coalition Against Sexual Assault | 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 |
| Julianne Frosolone | 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 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA88 |
| Craig Patterson | League of Women Voters of Iowa | 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 |
| Sydney Gangestad | Principal Financial Group | Opposing | GA88 |
| Tim Coonan | Principal Financial Group | 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 |
| John Hale | The Hale Group | Opposing | GA88 |
| Terri Hale | The Hale Group | Opposing | GA88 |
| Brandon Geib | Wellmark, Inc. | Opposing | GA88 |
| Scott Sundstrom | Wellmark, Inc. | Opposing | GA88 |