| Doug Struyk | Accountants Association of Iowa | Undecided | GA87 |
| Jim Carney | Accountants Association of Iowa | Undecided | GA87 |
| Shannon Henson | Accountants Association of Iowa | Undecided | GA87 |
| Drew Klein | Americans For Prosperity | Undecided | GA87 |
| Ken Hansen | Brotherhood of Locomotive Engineers and Trainmen | Supporting | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Angela Davis | Iowa Retired School Personnel Association | Supporting | GA87 |
| Bill Wimmer | Iowa Retired School Personnel Association | Supporting | GA87 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Paige Thorson | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA87 |
| Jim Carney | Iowa State Bar Association | Undecided | GA87 |
| Shannon Henson | Iowa State Bar Association | Undecided | GA87 |
| Brad Hudson | Iowa State Education Association | Opposing | GA87 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA87 |
| Chris Smith | SMART-Transportation Division | Undecided | GA87 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA87 |