| Drew Klein | Americans For Prosperity | Supporting | GA89 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA89 |
| Carolann Jensen | Board of Regents, State of Iowa | Undecided | GA89 |
| Jennifer Harbison | Board of Regents, State of Iowa | Undecided | GA89 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA89 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA89 |
| Hannah McDowell | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Supporting | GA89 |
| Hannah McDowell | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA89 |
| Nick Laning | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Supporting | GA89 |
| Nick Laning | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA89 |
| Threase Harms | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Supporting | GA89 |
| Threase Harms | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA89 |
| Katie Hall | CVS Health | Supporting | GA89 |
| Mike St. Clair | CVS Health | Supporting | GA89 |
| MaryNelle Trefz | Common Good Iowa | Opposing | GA89 |
| Mike Owen | Common Good Iowa | Opposing | GA89 |
| Natalie Veldhouse | Common Good Iowa | Opposing | GA89 |
| Sheila Hansen | Common Good Iowa | Opposing | GA89 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Undecided | GA89 |
| Doug Struyk | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA89 |
| Jennifer Dorman | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA89 |
| Jim Carney | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA89 |
| Kyle Carlson | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA89 |
| Mark Joyce | Hy-Vee, Inc. | Supporting | GA89 |
| Brei Johnson | Informed Choice Iowa | Supporting | GA89 |
| Brei Johnson | Informed Choice Iowa | Withdrawn | GA89 |
| Brei Johnson | Informed Choice Iowa | Opposing | GA89 |
| Shanda Burke | Informed Choice Iowa | Supporting | GA89 |
| Shanda Burke | Informed Choice Iowa | Withdrawn | GA89 |
| Shanda Burke | Informed Choice Iowa | Opposing | GA89 |
| David Adelman | Iowa Academy of Family Physicians | Opposing | GA89 |
| Frank Chiodo | Iowa Academy of Family Physicians | Opposing | GA89 |
| Matt Hinch | Iowa Academy of Family Physicians | Opposing | GA89 |
| Sara Allen | Iowa Academy of Family Physicians | Opposing | GA89 |
| Andrew Funk | Iowa Board of Pharmacy | Supporting | GA89 |
| Brett Barker | Iowa Board of Pharmacy | Supporting | GA89 |
| Amy Campbell | Iowa CareGivers | Supporting | GA89 |
| Craig Patterson | Iowa CareGivers | Supporting | GA89 |
| Maddie Wilcox | Iowa Dept. of Public Health | Undecided | GA89 |
| Erin Cubit | Iowa Hospital Association | Undecided | GA89 |
| J. Norris | Iowa Hospital Association | Undecided | GA89 |
| Kim Murphy | Iowa Hospital Association | Undecided | GA89 |
| Maureen Keehnle | Iowa Hospital Association | Undecided | GA89 |
| Nicole Proesch | Iowa Hospital Association | Undecided | GA89 |
| Karla Fultz McHenry | Iowa Independent Physician Group | Opposing | GA89 |
| David Adelman | Iowa Osteopathic Medical Association | Opposing | GA89 |
| Frank Chiodo | Iowa Osteopathic Medical Association | Opposing | GA89 |
| Matt Hinch | Iowa Osteopathic Medical Association | Opposing | GA89 |
| Sara Allen | Iowa Osteopathic Medical Association | Opposing | GA89 |
| Casey Ficek | Iowa Pharmacy Association | Supporting | GA89 |
| Kate Walton | Iowa Pharmacy Association | Supporting | GA89 |
| Matt Eide | Iowa Pharmacy Association | Supporting | GA89 |
| Amy Campbell | Iowa Primary Care Association | Supporting | GA89 |
| Craig Patterson | Iowa Primary Care Association | Supporting | GA89 |
| Lina Tucker Reinders | Iowa Public Health Association | Undecided | GA89 |
| Jim Henter | Iowa Retail Federation | Supporting | GA89 |
| Jon Murphy | Iowa Society of Anesthesiologists | Opposing | GA89 |
| Tom Cope | Iowa Society of Anesthesiologists | Opposing | GA89 |
| Kellie Paschke | Jazz Pharmaceuticals, Inc. | Supporting | GA89 |
| Kelly Meyers | Jazz Pharmaceuticals, Inc. | Supporting | GA89 |
| Logan Murray | Jazz Pharmaceuticals, Inc. | Supporting | GA89 |
| Troy Skinner | Jazz Pharmaceuticals, Inc. | Supporting | GA89 |
| Kellie Paschke | Pfizer Inc. c/o Politicom Law LLP | Supporting | GA89 |
| Kelly Meyers | Pfizer Inc. c/o Politicom Law LLP | Supporting | GA89 |
| Logan Murray | Pfizer Inc. c/o Politicom Law LLP | Supporting | GA89 |
| Troy Skinner | Pfizer Inc. c/o Politicom Law LLP | Supporting | GA89 |
| John Cacciatore | Polk County Medical Society | Opposing | GA89 |
| Lon Anderson | Polk County Medical Society | Opposing | GA89 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA89 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA89 |