| Melissa Speed | AFSCME Iowa Council 61 | Opposing | GA90 |
| Doug Struyk | American Cancer Society Cancer Action Network (ACS CAN) | Opposing | GA90 |
| Jackie Cale | American Cancer Society Cancer Action Network (ACS CAN) | Opposing | GA90 |
| Jennifer Dorman | American Cancer Society Cancer Action Network (ACS CAN) | Opposing | GA90 |
| Jim Carney | American Cancer Society Cancer Action Network (ACS CAN) | 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 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Chaney Yeast | Blank Childrens Hospital | Opposing | GA90 |
| Nick Laning | CHAIN | Opposing | GA90 |
| Threase Harms | CHAIN | Opposing | GA90 |
| Mike Owen | Common Good Iowa | Opposing | GA90 |
| Natalie Veldhouse | Common Good Iowa | Opposing | GA90 |
| Sean Finn | Common Good Iowa | Opposing | GA90 |
| Sheila Hansen | Common Good Iowa | Opposing | GA90 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA90 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Undecided | GA90 |
| Chelsea Hoye | EveryStep | Opposing | GA90 |
| Nick Laning | EveryStep | Opposing | GA90 |
| Threase Harms | EveryStep | Opposing | GA90 |
| Molly Severn | Governor's Office | Supporting | GA90 |
| Jeremy Vos | Homeschool Iowa | Supporting | GA90 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA90 |
| Bethany Niermeyer | Informed Choice Iowa | Supporting | 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 |
| Brad Cranston | Iowa Baptists For Biblical Values | Supporting | GA90 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA90 |
| Larry Murphy | Iowa Catholic Conference | Withdrawn | GA90 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA90 |
| Tom Chapman | Iowa Catholic Conference | Withdrawn | GA90 |
| Tom Chapman | Iowa Catholic Conference | Undecided | GA90 |
| Tom Chapman | Iowa Catholic Conference | Supporting | 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 |
| Phil Jeneary | Iowa Chapter-American Academy of Pediatrics | 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 |
| Eric St Clair | Iowa Department of Education | Supporting | GA90 |
| Amy Campbell | Iowa Library Association (ILA) | Opposing | GA90 |
| Craig Patterson | Iowa Library Association (ILA) | Opposing | GA90 |
| Leslie Carpenter | Iowa Mental Health Advocacy | Opposing | 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 |
| Lina Tucker Reinders | Iowa Public Health Association | Opposing | GA90 |
| Becky Tayler | Iowa Safe Schools | Opposing | GA90 |
| Damian Thompson | Iowa Safe Schools | Opposing | GA90 |
| Jefferson Fink | Iowa School Nurses Organization | Opposing | GA90 |
| Jim Obradovich | Iowa School Nurses Organization | Opposing | GA90 |
| Jefferson Fink | Iowa School Psychologists Association | Opposing | GA90 |
| Jim Obradovich | Iowa School Psychologists Association | Opposing | GA90 |
| Jefferson Fink | Iowa School Social Workers Association | Opposing | GA90 |
| Jim Obradovich | Iowa School Social Workers Association | Opposing | GA90 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA90 |
| Morgan Miller | Iowa State Education Association | Opposing | GA90 |
| Mike Heller | Iowa Talented and Gifted Association | Opposing | GA90 |
| John Cacciatore | National Alliance on Mental Illness - Iowa | 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 |
| Mazie Stilwell | Planned Parenthood Advocates of Iowa | Opposing | GA90 |
| Chelsea Hoye | Prevent Blindness Iowa | Undecided | GA90 |
| Nick Laning | Prevent Blindness Iowa | Undecided | GA90 |
| Threase Harms | Prevent Blindness Iowa | Undecided | GA90 |
| Harry Ehrlich | Protect My Innocence | Supporting | GA90 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA90 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA90 |
| Dave Daughton | School Administrators of Iowa | Opposing | GA90 |
| Chuck Hurley | The Family Leader | Undecided | GA90 |
| Danny Carroll | The Family Leader | Undecided | GA90 |
| Rebekah Oleson | The Family Leader | Undecided | GA90 |
| Ryan Benn | The Family Leader | Undecided | GA90 |
| Chuck Hurley | The Family Leader Foundation | Undecided | GA90 |
| Danny Carroll | The Family Leader Foundation | Undecided | GA90 |
| Rebekah Oleson | The Family Leader Foundation | Undecided | GA90 |
| Ryan Benn | The Family Leader Foundation | Undecided | GA90 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA90 |