| Melissa Speed | AFSCME Iowa Council 61 | Opposing | GA89 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA89 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA89 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA89 |
| Kathryn Kueter | Concerned Women For America of Iowa | Supporting | GA89 |
| Sandra Conlin | Human Rights Campaign | Undecided | GA89 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA89 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA89 |
| MaryNelle Trefz | Iowa ACEs 360 | Opposing | GA89 |
| Michael McCarthy | Iowa Alliance For Retired Americans | Opposing | GA89 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA89 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA89 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA89 |
| Carrie Malone | Iowa Dept. of Human Services | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA89 |
| Becky Tayler | Iowa Safe Schools | Opposing | GA89 |
| Damian Thompson | Iowa Safe Schools | Opposing | GA89 |
| Carlos Rodriguez Rosa | Iowa School Mental Health Alliance | Opposing | GA89 |
| Jennifer Ulie-Wells | Iowa School Mental Health Alliance | Opposing | GA89 |
| Markell Colemon | Iowa School Mental Health Alliance | Opposing | GA89 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA89 |
| Morgan Miller | Iowa State Education Association | Opposing | GA89 |
| Denise Rathman | National Association of Social Workers, Iowa Chapter | Opposing | GA89 |
| Joseph Wernau | National Association of Social Workers, Iowa Chapter | Opposing | GA89 |
| Keenan Crow | One Iowa | Opposing | GA89 |
| Keenan Crow | One Iowa Action | Opposing | GA89 |
| Jamie Burch | Planned Parenthood Advocates of Iowa | Opposing | GA89 |
| Jamie Burch | Planned Parenthood North Central States | Opposing | GA89 |
| Carlos Rodriguez Rosa | Please Pass the Love | Opposing | GA89 |
| Jennifer Ulie-Wells | Please Pass the Love | Opposing | GA89 |
| Markell Colemon | Please Pass the Love | Opposing | GA89 |
| Nathaniel Arnold | Professional Educators of Iowa | Undecided | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA89 |
| David Wilkerson | School Administrators of Iowa | Opposing | GA89 |
| Chuck Hurley | The Family Leader | Supporting | GA89 |
| Daniel Sunne | The Family Leader | Supporting | GA89 |
| Danny Carroll | The Family Leader | Supporting | GA89 |
| Rebekah Oleson | The Family Leader | Supporting | GA89 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA89 |
| Daniel Sunne | The Family Leader Foundation | Supporting | GA89 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA89 |
| Rebekah Oleson | The Family Leader Foundation | Supporting | GA89 |
| Kelli Harrison | UAW Region 4 | Opposing | GA89 |
| Karl Schilling | United Professionals/UE | Opposing | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA89 |
| Kathryn Kueter | VALOR Iowa | Supporting | GA89 |