| Jackie Cale | American Cancer Society Cancer Action Network (ACS CAN) | Opposing | GA91 |
| Kristina Hamilton | American Lung Association | Opposing | GA91 |
| Heather Ryan | Bitches Get Stuff Done | Opposing | GA91 |
| Heaven Chamberlain | Bitches Get Stuff Done | Opposing | GA91 |
| Chaney Yeast | Blank Childrens Hospital | Opposing | GA91 |
| Catherine Pollard | Brain Injury Association of Iowa | Opposing | GA91 |
| Nick Laning | Brain Injury Association of Iowa | Opposing | GA91 |
| Threase Harms | Brain Injury Association of Iowa | Opposing | GA91 |
| Jeff Smith | Broadlawns Medical Center | Opposing | GA91 |
| Maggie Smith-Fitzgerald | Broadlawns Medical Center | Opposing | GA91 |
| Matt Fitzgerald | Broadlawns Medical Center | Opposing | GA91 |
| Catherine Pollard | Easterseals Iowa | Undecided | GA91 |
| Nick Laning | Easterseals Iowa | Undecided | GA91 |
| Threase Harms | Easterseals Iowa | Undecided | GA91 |
| Sandra Benen | GSK | Opposing | GA91 |
| Amber Williams | Inspired Life | Supporting | GA91 |
| David Adelman | Iowa Academy of Family Physicians | Opposing | GA91 |
| Frank Chiodo | Iowa Academy of Family Physicians | Opposing | GA91 |
| Matt Hinch | Iowa Academy of Family Physicians | Opposing | GA91 |
| Paige Thorson | Iowa Academy of Family Physicians | Opposing | GA91 |
| Sara Allen | Iowa Academy of Family Physicians | Opposing | GA91 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA91 |
| Michelle Johnson | Iowa Association of School Boards | Opposing | GA91 |
| Emily Piper | Iowa Biotechnology Association | Opposing | GA91 |
| Jessica Hyland | Iowa Biotechnology Association | Opposing | GA91 |
| Logan Shine | Iowa Biotechnology Association | Opposing | GA91 |
| Amy Campbell | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Opposing | GA91 |
| Craig Patterson | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Opposing | GA91 |
| Seth Brown | Iowa Chapter-American Academy of Pediatrics | Opposing | GA91 |
| Jeffrey Anderson | Iowa Conference of the United Methodist Church | Opposing | GA91 |
| Carrie Malone | Iowa Department of Health and Human Services | Undecided | GA91 |
| Nick Crawford | Iowa Department of Health and Human Services | Undecided | GA91 |
| Sonya Streit | Iowa Department of Health and Human Services | Undecided | GA91 |
| Carlyn Crowe | Iowa Developmental Disabilities Council | Opposing | GA91 |
| Jefferson Fink | Iowa Environmental Health Association | Opposing | GA91 |
| Jim Obradovich | Iowa Environmental Health Association | Opposing | GA91 |
| Andy Conlin | Iowa Independent Physician Group | Opposing | GA91 |
| Dennis Tibben | Iowa Independent Physician Group | Opposing | GA91 |
| Teresa Bomhoff | Iowa Integrated Health Planning and Advisory Council | Opposing | GA91 |
| Clair Lewis | Iowa Medical Society | Opposing | GA91 |
| Kate Walton | Iowa Medical Society | Opposing | GA91 |
| Matt Eide | Iowa Medical Society | Opposing | GA91 |
| Seth Brown | Iowa Medical Society | Opposing | GA91 |
| Amy Campbell | Iowa Nurse Practitioners Society | Opposing | GA91 |
| Craig Patterson | Iowa Nurse Practitioners Society | Opposing | GA91 |
| Amy Campbell | Iowa Nurses Association | Opposing | GA91 |
| Craig Patterson | Iowa Nurses Association | Opposing | GA91 |
| Clair Lewis | Iowa Pharmacy Association | Opposing | GA91 |
| Kate Walton | Iowa Pharmacy Association | Opposing | GA91 |
| Matt Eide | Iowa Pharmacy Association | Opposing | GA91 |
| Amy Campbell | Iowa Primary Care Association | Opposing | GA91 |
| Craig Patterson | Iowa Primary Care Association | Opposing | GA91 |
| Katie Owens | Iowa Primary Care Association | Opposing | GA91 |
| Clair Lewis | Iowa Public Health Association | Opposing | GA91 |
| Kate Walton | Iowa Public Health Association | Opposing | GA91 |
| Matt Eide | Iowa Public Health Association | Opposing | GA91 |
| Jefferson Fink | Iowa School Nurses Organization | Opposing | GA91 |
| Jim Obradovich | Iowa School Nurses Organization | Opposing | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Opposing | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA91 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA91 |
| Oliver Bardwell | Iowans for Freedom | Supporting | GA91 |
| Dane Schumann | Kemin Industries | Opposing | GA91 |
| Gary Grant | Linn County Board of Supervisors | Opposing | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Opposing | GA91 |
| Jeff Smith | Merck Sharp & Dohme LLC | Opposing | GA91 |
| Maggie Smith-Fitzgerald | Merck Sharp & Dohme LLC | Opposing | GA91 |
| Matt Fitzgerald | Merck Sharp & Dohme LLC | Opposing | GA91 |
| David Walker | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Opposing | GA91 |
| Nathaniel Arnold | Professional Educators of Iowa | Undecided | GA91 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA91 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA91 |
| Dave Daughton | School Administrators of Iowa | Opposing | GA91 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA91 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA91 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA91 |