| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Rachel Geilenfeld | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Zach Dalluge | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Jennifer Kingland | Iowa Association of Realtors | Withdrawn | GA86 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA86 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Scott Sundstrom | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Mike Heller | Iowa Speech Language Hearing Association | Undecided | GA86 |
| Paula Feltner | Iowa Speech Language Hearing Association | Undecided | GA86 |
| Brad Hudson | Iowa State Education Association | Undecided | GA86 |
| Melissa Peterson | Iowa State Education Association | Undecided | GA86 |
| Mike Heller | Iowa State Police Association | Undecided | GA86 |
| Paula Feltner | Iowa State Police Association | Undecided | GA86 |
| Karen Austin | Iowa State Treasurer's Office | Undecided | GA86 |
| Charlotte Eby | Iowa Student Loan Liquidity Corp. | Undecided | GA86 |
| Jeffrey Boeyink | Iowa Student Loan Liquidity Corp. | Undecided | GA86 |
| Jennifer Kingland | Iowa Taxpayers Association | Undecided | GA86 |
| Ernie Adkison | Iowans for Tax Relief | Supporting | GA86 |
| Robert Solt | Iowans for Tax Relief | Supporting | GA86 |
| Mike Heller | Kaplan Higher Education | Undecided | GA86 |
| Paula Feltner | Kaplan Higher Education | Undecided | GA86 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA86 |
| Brad Epperly | University of Phoenix | Undecided | GA86 |
| Paula Dierenfeld | University of Phoenix | Undecided | GA86 |
| Scott Sundstrom | University of Phoenix | Undecided | GA86 |
| Lewis Finch | Urban Education Network of Iowa | Opposing | GA86 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA86 |