| Melissa Speed | AFSCME Council 61 | Undecided | GA91 |
| Clair Lewis | Area Education Agencies of Iowa | Undecided | GA91 |
| Kate Walton | Area Education Agencies of Iowa | Undecided | GA91 |
| Matt Eide | Area Education Agencies of Iowa | Undecided | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| Doug Struyk | City of Waukee | Undecided | GA91 |
| Jennifer Dorman | City of Waukee | Undecided | GA91 |
| Jim Carney | City of Waukee | Undecided | GA91 |
| Clair Lewis | Iowa Association of Community College Trustees | Undecided | GA91 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA91 |
| Kate Walton | Iowa Association of Community College Trustees | Undecided | GA91 |
| Matt Eide | Iowa Association of Community College Trustees | Undecided | GA91 |
| Ryan Roberts | Iowa Association of Community College Trustees | Undecided | GA91 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA91 |
| Michelle Johnson | Iowa Association of School Boards | Opposing | GA91 |
| Briana Kouma | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Kelsey Schott | Iowa Chapter, American Institute of Architects | Supporting | GA91 |
| Matt McKinney | Iowa Chapter, American Institute of Architects | Supporting | GA91 |
| RG Schwarm | Iowa Chapter, American Institute of Architects | Supporting | GA91 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Undecided | GA91 |
| Chelsea Hoye | Iowa League of Cities | Opposing | GA91 |
| Cody Carlson | Iowa League of Cities | Opposing | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Opposing | GA91 |
| Beth Manley | Iowa State Association of Counties | Opposing | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA91 |
| Doug Struyk | Iowa State Association of County Auditors | Opposing | GA91 |
| Jennifer Dorman | Iowa State Association of County Auditors | Opposing | GA91 |
| Jim Carney | Iowa State Association of County Auditors | Opposing | GA91 |
| Melissa Peterson | Iowa State Education Association | Undecided | GA91 |
| Nathaniel Arnold | Professional Educators of Iowa | Supporting | GA91 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA91 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA91 |
| Dave Daughton | School Administrators of Iowa | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA91 |
| John Strathman | VALOR Iowa | Opposing | GA91 |