| Melissa Speed | AFSCME Iowa Council 61 | Opposing | GA90 |
| Emily Piper | American Association of Marriage and Family Therapy | Opposing | GA90 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA90 |
| Sandra Conlin | Human Rights Campaign | Opposing | GA90 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA90 |
| Andrea Dencklau | Iowa ACEs 360 | Opposing | GA90 |
| Lisa Cushatt | Iowa ACEs 360 | Opposing | GA90 |
| MaryNelle Trefz | Iowa ACEs 360 | Opposing | GA90 |
| Amy Campbell | Iowa Affiliate of the American College of Nurse-Midwives | Opposing | GA90 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA90 |
| Michelle Johnson | Iowa Association of School Boards | Opposing | GA90 |
| Amy Campbell | 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 |
| Craig Patterson | Iowa Coalition Against Sexual Assault | Opposing | GA90 |
| Carrie Malone | Iowa Department of Health and Human Services | Undecided | GA90 |
| Dax Oberreuter | Iowa Department of Health and Human Services | Undecided | GA90 |
| Jancy Nielson | Iowa Department of Health and Human Services | Undecided | GA90 |
| Chelsea Hoye | Iowa Environmental Council | Opposing | GA90 |
| Threase Harms | Iowa Environmental Council | Opposing | GA90 |
| Jeff Pitts | Iowa Faith and Freedom Coalition | Supporting | GA90 |
| R. Bruce Beeston | Iowa Faith and Freedom Coalition | Supporting | GA90 |
| Amy Campbell | Iowa Nurse Practitioners Society | Opposing | GA90 |
| Craig Patterson | Iowa Nurse Practitioners Society | Opposing | GA90 |
| Amy Campbell | Iowa Nurses Association | Opposing | GA90 |
| Craig Patterson | Iowa Nurses Association | Opposing | GA90 |
| Amy Campbell | Iowa Primary Care Association | Opposing | GA90 |
| Craig Patterson | Iowa Primary Care Association | Opposing | GA90 |
| Amy Campbell | 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 |
| Matt McKinney | Krause Group, LTD | Opposing | GA90 |
| RG Schwarm | Krause Group, LTD | Opposing | GA90 |
| Matt McKinney | Kum and Go, L.C. | Opposing | GA90 |
| RG Schwarm | Kum and Go, L.C. | Opposing | GA90 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA90 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA90 |
| Amy Campbell | Lutheran Services in IA, Inc. | Opposing | GA90 |
| Craig Patterson | Lutheran Services in IA, Inc. | Opposing | GA90 |
| Denise Rathman | 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 |
| Frederick Haskins | Patterson Law Firm LLP | Opposing | GA90 |
| Mazie Stilwell | Planned Parenthood Advocates of Iowa | Opposing | GA90 |
| Anita Fischer | Protect My Innocence | Supporting | GA90 |
| Cheryl Elsloo | Protect My Innocence | Supporting | GA90 |
| Harry Ehrlich | Protect My Innocence | Supporting | GA90 |
| John Butler | Protect My Innocence | Supporting | GA90 |
| Katherine Bogaards | Protect My Innocence | Supporting | GA90 |
| Mary Butler | Protect My Innocence | Supporting | GA90 |
| Rick Phillips | Protect My Innocence | Supporting | GA90 |
| John Strathman | VALOR Iowa | Supporting | GA90 |