| Emily Piper | American Association of Marriage and Family Therapy | Undecided | GA90 |
| Dane Schumann | American College of Obstetricians & Gynecologists | Undecided | GA90 |
| Drew Klein | Americans For Prosperity | Supporting | GA90 |
| Tyler Raygor | Americans For Prosperity | Supporting | 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 |
| 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 |
| Gary Grant | Full Circle Services, Inc. | Undecided | GA90 |
| Larry Murphy | Full Circle Services, 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 |
| Bethany Niermeyer | Informed Choice Iowa | 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 |
| Julie Smith | Iowa Association of Community Providers | Undecided | GA90 |
| Shelly Chandler | Iowa Association of Community Providers | 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 |
| 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 |
| Maddie Wilcox | 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 |
| Jamie Horbach | Iowa Hospital Association | Opposing | GA90 |
| Sandra Conlin | Iowa Hospital Association | Opposing | GA90 |
| Andy Conlin | Iowa Independent Physician Group | Supporting | GA90 |
| Phil Jeneary | Iowa Medical Society | Undecided | GA90 |
| Leslie Carpenter | Iowa Mental Health Advocacy | Withdrawn | GA90 |
| Leslie Carpenter | Iowa Mental Health Advocacy | Supporting | GA90 |
| Leslie Carpenter | Iowa Mental Health Advocacy | Undecided | GA90 |
| Emily Piper | Iowa Mental Health Counselors Association | Undecided | GA90 |
| Gary Ellis | Iowa Optometric Association | Undecided | 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 | Undecided | GA90 |
| Craig Patterson | Iowa Primary Care Association | Undecided | 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 |
| Nick Boeyink | 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 |
| Gary Grant | MH/DS of East Central Region | Undecided | GA90 |
| Larry Murphy | MH/DS of East Central Region | Undecided | GA90 |
| Mark Joyce | MercyOne | Undecided | GA90 |
| Taylor McDonald | MercyOne | Undecided | GA90 |
| Christopher Rants | Nomi Health | Undecided | GA90 |
| John Cacciatore | Nomi Health | Undecided | GA90 |
| Justin Hupfer | Nomi Health | Undecided | GA90 |
| Amy Campbell | On With Life, Inc. | Undecided | GA90 |
| Craig Patterson | On With Life, Inc. | Undecided | GA90 |
| Gary Grant | Resources for Human Development | Undecided | GA90 |
| Larry Murphy | Resources for Human Development | Undecided | GA90 |
| Angela Van Pelt | State Long-Term Care Ombudsman | Undecided | 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 |
| Sara Allen | UnityPoint Health | Undecided | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA90 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA90 |