| Doug Struyk | American Cancer Society Cancer Action Network (ACS CAN) | Undecided | GA88 |
| Jennifer Dorman | American Cancer Society Cancer Action Network (ACS CAN) | Undecided | GA88 |
| Jim Carney | American Cancer Society Cancer Action Network (ACS CAN) | Undecided | GA88 |
| Drew Klein | Americans For Prosperity | Undecided | GA88 |
| Tyler Raygor | Americans For Prosperity | Undecided | GA88 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA88 |
| Kristin Bauer | Board of Regents, State of Iowa | Undecided | GA88 |
| Mark Braun | Board of Regents, State of Iowa | Undecided | GA88 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA88 |
| Karla Fultz McHenry | Delta Dental of Iowa | Undecided | GA88 |
| Lynh Patterson | Delta Dental of Iowa | Undecided | GA88 |
| Tim Reilly | Department of Revenue | Undecided | GA88 |
| Brad Epperly | Federation of Iowa Insurers | Undecided | GA88 |
| Dustin Miller | Federation of Iowa Insurers | Undecided | GA88 |
| Katie Graham | Federation of Iowa Insurers | Undecided | GA88 |
| Paula Dierenfeld | Federation of Iowa Insurers | Undecided | GA88 |
| Jessica Hyland | Iowa Biotechnology Association | Supporting | GA88 |
| Katie Hall | Iowa Biotechnology Association | Supporting | GA88 |
| Mike St. Clair | Iowa Biotechnology Association | Supporting | GA88 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA88 |
| Meghan Malloy | Iowa Catholic Conference | Supporting | GA88 |
| Tom Chapman | Iowa Catholic Conference | Supporting | GA88 |
| Kelly Meyers | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Undecided | GA88 |
| Susan Cameron Daemen | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Undecided | GA88 |
| Chance McElhaney | Iowa Insurance Division | Undecided | GA88 |
| Kelly Meyers | Iowa Nurse Practitioners Society | Undecided | GA88 |
| Susan Cameron Daemen | Iowa Nurse Practitioners Society | Undecided | GA88 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Katie Graham | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Frank Stork | Wellmark, Inc. | Undecided | GA88 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA88 |