| Emily Piper | Iowa Association of School Boards | Opposing | GA89 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA89 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA89 |
| Dustin Miller | Iowa Broadcasters Association | Undecided | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | 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 |
| Alan Kemp | Iowa League of Cities | Undecided | GA89 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA89 |
| Robert Palmer | Iowa League of Cities | Undecided | GA89 |
| Brad Epperly | Iowa Newspaper Association | Supporting | GA89 |
| Dustin Miller | Iowa Newspaper Association | Supporting | GA89 |
| Brett Toresdahl | Iowa Public Information Board | Supporting | GA89 |
| Margaret Johnson | Iowa Public Information Board | Supporting | GA89 |
| Zach Goodrich | Iowa Public Information Board | Withdrawn | GA89 |
| Zach Goodrich | Iowa Public Information Board | Supporting | GA89 |
| Andy Teas | Office of Ombudsman | Supporting | GA89 |
| Kristie Hirschman | Office of Ombudsman | Supporting | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA89 |