| Melissa Speed | AFSCME Iowa Council 61 | Opposing | GA90 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA90 |
| Brad Lint | Iowa Association for Justice | Opposing | GA90 |
| Lisa Davis-Cook | Iowa Association for Justice | Opposing | GA90 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA90 |
| Jeff Smith | Iowa Association of Community College Trustees | Undecided | GA90 |
| Laurie Wolf | Iowa Association of Community College Trustees | Undecided | GA90 |
| Maggie Smith-Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA90 |
| Matt Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA90 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA90 |
| Michelle Johnson | Iowa Association of School Boards | Undecided | GA90 |
| Tom Chapman | Iowa Catholic Conference | Undecided | GA90 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA90 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA90 |
| Eric St Clair | Iowa Department of Education | Undecided | GA90 |
| Carrie Malone | Iowa Department of Health and Human Services | Undecided | GA90 |
| Dax Oberreuter | Iowa Department of Health and Human Services | Undecided | GA90 |
| Jancy Nielson | Iowa Department of Health and Human Services | Undecided | GA90 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA90 |
| Will Rogers | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA90 |
| Michael Gronstal | Iowa State Building and Construction Trades | Opposing | GA90 |
| Melissa Peterson | Iowa State Education Association | Undecided | GA90 |
| Morgan Miller | Iowa State Education Association | Undecided | GA90 |
| John Hall | Marshalltown Area Chamber of Commerce | Undecided | GA90 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Nathaniel Arnold | Professional Educators of Iowa | Undecided | GA90 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA90 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA90 |
| Dave Daughton | School Administrators of Iowa | Undecided | GA90 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA90 |