| Amy Campbell | AARP Iowa | Supporting | GA89 |
| Brad Anderson | AARP Iowa | Supporting | GA89 |
| Craig Patterson | AARP Iowa | Supporting | GA89 |
| David Scott | American Council of Engineering Companies | Supporting | GA89 |
| Morgan Fritz | Annett Holdings | Undecided | GA89 |
| Robert Weiser | Annett Holdings | Undecided | GA89 |
| Morgan Fritz | CRST International | Undecided | GA89 |
| Robert Weiser | CRST International | Undecided | GA89 |
| Kelli Soyer | 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 |
| Amy Campbell | Iowa Association of Area Agencies on Aging | Undecided | GA89 |
| Craig Patterson | Iowa Association of Area Agencies on Aging | Undecided | GA89 |
| James Kersten | Iowa Central Community College | Supporting | GA89 |
| Gracie Brandsgard | Iowa Credit Union League | Undecided | GA89 |
| Justin Hupfer | Iowa Credit Union League | Undecided | GA89 |
| David Scott | Iowa Motor Truck Association | Supporting | GA89 |
| Christopher Rants | Iowa Retired School Personnel Association | Supporting | GA89 |
| John Cacciatore | Iowa Retired School Personnel Association | Supporting | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Victoria Sinclair | Iowans for Tax Relief | Undecided | GA89 |
| Dr. Audrey M. Hiatt, DNP, ARNP-BC | National Active & Retired Federal Employees | Supporting | GA89 |
| Monica McCarthy | Older Iowans Legislature | Supporting | GA89 |
| Sydney Gangestad | Principal Financial Group | Supporting | GA89 |
| Tim Coonan | Principal Financial Group | Supporting | GA89 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | 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 |