| Drew Klein | Americans For Prosperity | Supporting | GA90 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA90 |
| Chaney Yeast | Blank Childrens Hospital | Opposing | GA90 |
| Lauren Gideon | Classical Conversations | Supporting | GA90 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA90 |
| Jeremy Vos | Homeschool Iowa | Supporting | GA90 |
| Bethany Niermeyer | Informed Choice Iowa | Supporting | GA90 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA90 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA90 |
| Michelle Johnson | Iowa Association of School Boards | Undecided | GA90 |
| Brad Cranston | Iowa Baptists For Biblical Values | Supporting | GA90 |
| David Adelman | Iowa Biotechnology Association | Undecided | GA90 |
| Frank Chiodo | Iowa Biotechnology Association | Undecided | GA90 |
| Matt Hinch | Iowa Biotechnology Association | Undecided | GA90 |
| Paige Thorson | Iowa Biotechnology Association | Undecided | GA90 |
| Sara Allen | Iowa Biotechnology Association | Undecided | GA90 |
| Phil Jeneary | Iowa Chapter-American Academy of Pediatrics | 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 |
| Kate Walton | Iowa Public Health Association | Undecided | GA90 |
| Madeleine Bradley | Iowa Public Health Association | Undecided | GA90 |
| Matt Eide | Iowa Public Health Association | Undecided | GA90 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA90 |
| Morgan Miller | Iowa State Education Association | Opposing | GA90 |
| Chelsea Hoye | Network Against Human Trafficking | Supporting | GA90 |
| Nick Laning | Network Against Human Trafficking | Supporting | GA90 |
| Threase Harms | Network Against Human Trafficking | Supporting | GA90 |
| Kellie Paschke | Pfizer Inc. c/o Politicom Law LLP | Undecided | GA90 |
| Kelly Meyers | Pfizer Inc. c/o Politicom Law LLP | Undecided | GA90 |
| Troy Skinner | Pfizer Inc. c/o Politicom Law LLP | Undecided | 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 | Supporting | GA90 |
| Danny Carroll | The Family Leader | Supporting | GA90 |
| Rebekah 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 |
| Rebekah Oleson | The Family Leader Foundation | Supporting | GA90 |
| Ryan Benn | The Family Leader Foundation | Supporting | GA90 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA90 |