| Dane Schumann | American College of Obstetricians & Gynecologists | Undecided | GA90 |
| Drew Klein | Americans For Prosperity | Supporting | GA90 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA90 |
| Carina Marquez-Oberhoffner | Bellin Gundersen Health System, Inc. | Opposing | GA90 |
| Matt Wimmer | Bellin Gundersen Health System, Inc. | Opposing | GA90 |
| Nathan Franklin | Bellin Gundersen Health System, Inc. | Opposing | GA90 |
| Jeff Smith | Broadlawns Medical Center | Opposing | GA90 |
| Maggie Smith-Fitzgerald | Broadlawns Medical Center | Opposing | GA90 |
| Matt Fitzgerald | Broadlawns Medical Center | Opposing | GA90 |
| Sydney Gangestad | CHILDSERVE | Undecided | GA90 |
| Tim Coonan | CHILDSERVE | Undecided | GA90 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Doug Struyk | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA90 |
| Jennifer Dorman | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA90 |
| Jim Carney | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA90 |
| Lynh Patterson | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA90 |
| Henry Marquard | Genesis Health System | Opposing | GA90 |
| Kate Walton | Genesis Health System | Opposing | GA90 |
| Madeleine Bradley | Genesis Health System | Opposing | GA90 |
| Matt Eide | Genesis Health System | Opposing | GA90 |
| Jeff Smith | Great River Health System | Opposing | GA90 |
| Maggie Smith-Fitzgerald | Great River Health System | Opposing | GA90 |
| Matt Fitzgerald | Great River Health System | Opposing | GA90 |
| Matthew Dean | Heartland Impact | Undecided | GA90 |
| Bethany Niermeyer | Informed Choice Iowa | Supporting | GA90 |
| Jaimie Cavanaugh | Institute for Justice | Supporting | GA90 |
| Lee McGrath | Institute for Justice | Supporting | GA90 |
| Amy Campbell | Iowa Affiliate of the American College of Nurse-Midwives | Supporting | GA90 |
| Brad Epperly | Iowa Association of Ambulatory Surgery Centers | Undecided | GA90 |
| Dustin Miller | Iowa Association of Ambulatory Surgery Centers | Undecided | GA90 |
| Amy Campbell | Iowa Association of Area Agencies on Aging | Undecided | GA90 |
| Craig Patterson | Iowa Association of Area Agencies on Aging | Undecided | GA90 |
| Amy Campbell | Iowa Association of Rural Health Clinics | Undecided | GA90 |
| Craig Patterson | Iowa Association of Rural Health Clinics | Undecided | GA90 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA90 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA90 |
| Carolann Jensen | Iowa Board of Regents | Undecided | GA90 |
| Jennifer Harbison | Iowa Board of Regents | Undecided | GA90 |
| Keith Saunders | Iowa Board of Regents | Undecided | GA90 |
| Mary Braun | Iowa Board of Regents | Undecided | GA90 |
| Amy Campbell | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Supporting | GA90 |
| Craig Patterson | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Supporting | 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 |
| David Adelman | Iowa Health Care Association | Undecided | GA90 |
| Frank Chiodo | Iowa Health Care Association | Undecided | GA90 |
| Lillie Brady | Iowa Health Care Association | Undecided | GA90 |
| Matt Hinch | Iowa Health Care Association | Undecided | GA90 |
| Merea Bentrott | Iowa Health Care Association | Undecided | GA90 |
| Sara Allen | Iowa Health Care Association | Undecided | GA90 |
| Erin Cubit | Iowa Hospital Association | Opposing | GA90 |
| Sandra Conlin | Iowa Hospital Association | Opposing | GA90 |
| Andy Conlin | Iowa Independent Physician Group | Supporting | GA90 |
| Dennis Tibben | Iowa Independent Physician Group | Supporting | GA90 |
| Kady Reese | Iowa Medical Society | Undecided | GA90 |
| Kate Walton | Iowa Medical Society | Undecided | GA90 |
| Madeleine Bradley | Iowa Medical Society | Undecided | GA90 |
| Matt Eide | Iowa Medical Society | Undecided | GA90 |
| Phil Jeneary | Iowa Medical Society | Undecided | GA90 |
| Leslie Carpenter | Iowa Mental Health Advocacy | Supporting | GA90 |
| Amy Campbell | Iowa Nurse Practitioners Society | Supporting | GA90 |
| Craig Patterson | Iowa Nurse Practitioners Society | Supporting | GA90 |
| Amy Campbell | Iowa Nurses Association | Supporting | GA90 |
| Craig Patterson | Iowa Nurses Association | Supporting | GA90 |
| Brett Barker | Iowa Pharmacy Association | Undecided | GA90 |
| Kate Walton | Iowa Pharmacy Association | Undecided | GA90 |
| Madeleine Bradley | Iowa Pharmacy Association | Undecided | GA90 |
| Matt Eide | Iowa Pharmacy Association | Undecided | GA90 |
| Seth Brown | Iowa Pharmacy Association | Undecided | GA90 |
| Sydney Gangestad | Iowa Physician Assistant Society | Undecided | GA90 |
| Tim Coonan | Iowa Physician Assistant Society | Undecided | GA90 |
| Amy Campbell | Iowa Primary Care Association | Supporting | GA90 |
| Craig Patterson | Iowa Primary Care Association | Supporting | GA90 |
| Emily Piper | Iowa Psychiatric Physicians Society | Undecided | GA90 |
| Amy Campbell | Iowa Psychological Association | Undecided | GA90 |
| Craig Patterson | Iowa Psychological Association | Undecided | GA90 |
| Jake Ketzner | Iowa Total Care, A Subsidiary of Centene Corporation | Undecided | GA90 |
| Marc Beltrame | Iowa Total Care, A Subsidiary of Centene Corporation | Undecided | GA90 |
| Stacie Maass | Iowa Total Care, A Subsidiary of Centene Corporation | Undecided | GA90 |
| Chris Hagenow | Iowans for Tax Relief | Supporting | GA90 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA90 |
| Jon Murphy | LeadingAge Iowa | Undecided | GA90 |
| Shannon Strickler | LeadingAge Iowa | Undecided | GA90 |
| Tom Cope | LeadingAge Iowa | Undecided | GA90 |
| BRITTANY LUMLEY | MercyOne | Opposing | GA90 |
| Courtney Craig | MercyOne | Opposing | GA90 |
| Elliott Meyer | MercyOne | Opposing | GA90 |
| Jeffrey Boeyink | MercyOne | Opposing | GA90 |
| Mark Joyce | MercyOne | Opposing | GA90 |
| Taylor McDonald | MercyOne | Opposing | GA90 |
| Amy Campbell | On With Life, Inc. | Undecided | GA90 |
| Craig Patterson | On With Life, Inc. | Undecided | GA90 |
| Kileen Lindgren | Pacific Legal Foundation | Supporting | GA90 |
| David Adelman | UnityPoint Health | Undecided | GA90 |
| Frank Chiodo | UnityPoint Health | Undecided | GA90 |
| Lillie Brady | UnityPoint Health | Undecided | GA90 |
| Matt Hinch | UnityPoint Health | Undecided | GA90 |
| Paige Thorson | UnityPoint Health | Undecided | GA90 |
| Sara Allen | UnityPoint Health | Undecided | GA90 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA90 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA90 |