| Mazie Stilwell | AFSCME Iowa Council 61 | Supporting | GA88 |
| Morgan Miller | AFSCME Iowa Council 61 | Supporting | GA88 |
| Drew Klein | Americans For Prosperity | Supporting | GA88 |
| Tyler Raygor | Americans For Prosperity | Supporting | 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 |
| Greg Conard | Families United Action Network (FUAN) | Supporting | GA88 |
| Nicholas Dreeszen | Families United Action Network (FUAN) | Supporting | GA88 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Drew Wynes | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| David Palmer | Iowa Association of Community College Trustees | Undecided | GA88 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA88 |
| Laurie Wolf | Iowa Association of Community College Trustees | Undecided | GA88 |
| Amy Campbell | Iowa Association of Rural Health Clinics | Undecided | GA88 |
| Craig Patterson | Iowa Association of Rural Health Clinics | Undecided | GA88 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA88 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA88 |
| Elizabeth Sedrel | Iowa College Student Aid Commission | Undecided | GA88 |
| Todd Brown | Iowa College Student Aid Commission | Undecided | GA88 |
| Jill Stuecker | Iowa Dental Board | Undecided | GA88 |
| Jon Murphy | Iowa Dental Hygienists Association | Undecided | GA88 |
| Tom Cope | Iowa Dental Hygienists Association | Undecided | GA88 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Supporting | GA88 |
| Amy Campbell | Iowa Primary Care Association | Undecided | GA88 |
| Craig Patterson | Iowa Primary Care Association | Undecided | GA88 |
| Amy Campbell | Iowa Psychological Association | Undecided | GA88 |
| Craig Patterson | Iowa Psychological Association | Undecided | GA88 |
| Bradley Hudson | Iowa State Education Association | Supporting | GA88 |
| Melissa Peterson | Iowa State Education Association | Supporting | GA88 |
| Denise Rathman | National Association of Social Workers, Iowa Chapter | Undecided | GA88 |
| Karla Fultz McHenry | Opportunity Solutions Project | Withdrawn | GA88 |
| Karla Fultz McHenry | Opportunity Solutions Project | Supporting | GA88 |
| Sydney Gangestad | The Iowa Academy of Trust and Estate Counsel | Supporting | GA88 |
| Tim Coonan | The Iowa Academy of Trust and Estate Counsel | Supporting | GA88 |