| Doug Struyk | American Physical Therapy Association of Iowa | Supporting | GA91 |
| Jennifer Dorman | American Physical Therapy Association of Iowa | Supporting | GA91 |
| Jim Carney | American Physical Therapy Association of Iowa | Supporting | GA91 |
| Dustin Rush | Americans For Prosperity | Supporting | GA91 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA91 |
| Emily Piper | Classroom Clinic | Undecided | GA91 |
| Logan Shine | Classroom Clinic | Undecided | GA91 |
| Mike Heller | Iowa Academy of Trial Lawyers | Opposing | GA91 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA91 |
| Eric Goranson | Iowa Association of Christian Schools | Undecided | GA91 |
| Greta Haas | Iowa Association of Realtors | Undecided | GA91 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA91 |
| Doug Struyk | Iowa Athletic Trainers Society | Undecided | GA91 |
| Jennifer Dorman | Iowa Athletic Trainers Society | Undecided | GA91 |
| Jim Carney | Iowa Athletic Trainers Society | Undecided | GA91 |
| James Kersten | Iowa Central Community College | Undecided | GA91 |
| Seth Brown | Iowa Chapter-American Academy of Pediatrics | Undecided | GA91 |
| David Adelman | Iowa Dental Association | Undecided | GA91 |
| Frank Chiodo | Iowa Dental Association | Undecided | GA91 |
| Joshua Carpenter | Iowa Dental Association | Undecided | GA91 |
| Matt Hinch | Iowa Dental Association | Undecided | GA91 |
| Paige Thorson | Iowa Dental Association | Undecided | GA91 |
| Sara Allen | Iowa Dental Association | Undecided | GA91 |
| Sara Throener | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Sarah Vanderploeg | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Cody Smith | Iowa Environmental Council | Undecided | GA91 |
| Colleen Fowle | Iowa Environmental Council | Undecided | GA91 |
| Jordan Oster | Iowa Environmental Council | Undecided | GA91 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA91 |
| Michael Schmidt | Iowa Environmental Council | Undecided | GA91 |
| Sarah Green | Iowa Environmental Council | Undecided | GA91 |
| Andy Conlin | Iowa Independent Physician Group | Undecided | GA91 |
| Dennis Tibben | Iowa Independent Physician Group | Undecided | GA91 |
| Frederick Haskins | Iowa Insurance Associates | Opposing | GA91 |
| Frederick Haskins | Iowa Insurance Associates | Undecided | GA91 |
| Amber Shanahan-Fricke | Iowa Judicial Branch - Supreme Court | Undecided | GA91 |
| Caitlin Jarzen | Iowa Judicial Branch - Supreme Court | Undecided | GA91 |
| Clair Lewis | Iowa Medical Society | Undecided | GA91 |
| Kate Walton | Iowa Medical Society | Undecided | GA91 |
| Matt Eide | Iowa Medical Society | Undecided | GA91 |
| Seth Brown | Iowa Medical Society | Undecided | GA91 |
| Emily Piper | Iowa Mental Health Counselors Association | Undecided | GA91 |
| Logan Shine | Iowa Mental Health Counselors Association | Undecided | GA91 |
| Emily Piper | Iowa Psychiatric Physicians Society | Undecided | GA91 |
| Logan Shine | Iowa Psychiatric Physicians Society | Undecided | GA91 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Opposing | GA91 |
| Casey Nickel | Iowa Society of Certified Public Accountants | Opposing | GA91 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Opposing | GA91 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA91 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA91 |
| Jim Carney | Iowa State Bar Association | Undecided | GA91 |
| Melissa Peterson | Iowa State Education Association | Undecided | GA91 |
| Doug Struyk | Iowa Veterinary Medical Association | Undecided | GA91 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Undecided | GA91 |
| Jim Carney | Iowa Veterinary Medical Association | Undecided | GA91 |
| Betty Andrews | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | 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 |
| Seth Brown | Rheumatology Association of Iowa | Undecided | GA91 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA91 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA91 |
| Dave Daughton | School Administrators of Iowa | Undecided | GA91 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA91 |