| Melissa Speed | AFSCME Iowa Council 61 | Opposing | GA90 |
| Emily Piper | American Association of Marriage and Family Therapy | Opposing | GA90 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA90 |
| Molly Severn | Governor's Office | Supporting | GA90 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA90 |
| Kellie Paschke | Iowa Association for Justice | Opposing | GA90 |
| Jason Benell | Iowa Atheists and Freethinkers | Opposing | GA90 |
| Robert Cook | Iowa Atheists and Freethinkers | Opposing | GA90 |
| Amy Campbell | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Opposing | GA90 |
| Chloe Gayer | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Opposing | GA90 |
| Craig Patterson | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Opposing | GA90 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA90 |
| Amy Campbell | Iowa Coalition Against Sexual Assault | Opposing | GA90 |
| Chloe Gayer | Iowa Coalition Against Sexual Assault | Opposing | GA90 |
| Craig Patterson | Iowa Coalition Against Sexual Assault | Opposing | GA90 |
| Carrie Malone | Iowa Department of Health and Human Services | Undecided | GA90 |
| Nick Crawford | Iowa Department of Health and Human Services | Undecided | GA90 |
| Sonya Streit | Iowa Department of Health and Human Services | Undecided | GA90 |
| Jeff Pitts | Iowa Faith and Freedom Coalition | Supporting | GA90 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA90 |
| Nichole Hansen | Iowa Finance Authority | Undecided | GA90 |
| Troy Tech | Iowa Liberty Network | Withdrawn | GA90 |
| Troy Tech | Iowa Liberty Network | Supporting | GA90 |
| Emily Piper | Iowa Mental Health Counselors Association | Opposing | GA90 |
| Amy Campbell | Iowa Nurses Association | Opposing | GA90 |
| Chloe Gayer | Iowa Nurses Association | Opposing | GA90 |
| Craig Patterson | Iowa Nurses Association | Opposing | GA90 |
| Amy Campbell | Iowa Primary Care Association | Opposing | GA90 |
| Chloe Gayer | Iowa Primary Care Association | Opposing | GA90 |
| Craig Patterson | Iowa Primary Care Association | Opposing | GA90 |
| Amy Campbell | Iowa Psychological Association | Opposing | GA90 |
| Chloe Gayer | Iowa Psychological Association | Opposing | GA90 |
| Craig Patterson | Iowa Psychological Association | Opposing | GA90 |
| Becky Tayler | Iowa Safe Schools | Opposing | GA90 |
| Damian Thompson | Iowa Safe Schools | Opposing | GA90 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA90 |
| Morgan Miller | Iowa State Education Association | Opposing | GA90 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA90 |
| Chloe Gayer | League of Women Voters of Iowa | Opposing | GA90 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA90 |
| Denise Rathman | National Association of Social Workers, Iowa Chapter | Opposing | GA90 |
| Sarah High | National Association of Social Workers, Iowa Chapter | Opposing | GA90 |
| Courtney Reyes | One Iowa | Opposing | GA90 |
| Keenan Crow | One Iowa | Opposing | GA90 |
| Courtney Reyes | One Iowa Action | Opposing | GA90 |
| Keenan Crow | One Iowa Action | Opposing | GA90 |
| Amy Campbell | Polk County - Board of Supervisors | Opposing | GA90 |
| Craig Patterson | Polk County - Board of Supervisors | Opposing | GA90 |
| Anita Fischer | Protect My Innocence | Undecided | GA90 |
| Harry Ehrlich | Protect My Innocence | Undecided | GA90 |
| Chuck Hurley | The Family Leader | Supporting | GA90 |
| Danny Carroll | The Family Leader | Supporting | GA90 |
| Josiah Oleson | The Family Leader | Supporting | GA90 |
| Ryan Benn | The Family Leader | Supporting | GA90 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA90 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA90 |
| Denise Bubeck | The Family Leader Foundation | Supporting | GA90 |
| Josiah Oleson | The Family Leader Foundation | Supporting | GA90 |
| Ryan Benn | The Family Leader Foundation | Supporting | GA90 |
| Kelli Harrison | UAW Region 4 | Opposing | GA90 |
| John Strathman | VALOR Iowa | Undecided | GA90 |
| John Strathman | VALOR Iowa | Supporting | GA90 |
| Tamara Scott | VALOR Iowa | Undecided | GA90 |