| Paige Yontz | AARP Iowa | Supporting | GA90 |
| Chelsea Hoye | Brain Injury Alliance of Iowa | Supporting | GA90 |
| Nick Laning | Brain Injury Alliance of Iowa | Supporting | GA90 |
| Threase Harms | Brain Injury Alliance of Iowa | Supporting | GA90 |
| Sydney Gangestad | CHILDSERVE | Undecided | GA90 |
| Tim Coonan | CHILDSERVE | Undecided | GA90 |
| Catherine Johnson | Disability Rights Iowa | Supporting | GA90 |
| Chelsea Hoye | Easterseals Iowa | Supporting | GA90 |
| Lindsey Herazy | Easterseals Iowa | Supporting | GA90 |
| Nick Laning | Easterseals Iowa | Supporting | GA90 |
| Threase Harms | Easterseals Iowa | Supporting | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA90 |
| Brooke Lovelace | Iowa Developmental Disabilities Council | Withdrawn | GA90 |
| Brooke Lovelace | Iowa Developmental Disabilities Council | Undecided | GA90 |
| Brooke Lovelace | Iowa Developmental Disabilities Council | Supporting | GA90 |
| Carlyn Crowe | Iowa Developmental Disabilities Council | Undecided | GA90 |
| Eric Gookin | Iowa Secretary of State | Supporting | GA90 |
| Jamie Cashman | Iowa State Association of County Auditors | Supporting | GA90 |
| Kristi Harshbarger | Iowa State Association of County Auditors | Supporting | GA90 |
| Lucas Beenken | Iowa State Association of County Auditors | Supporting | GA90 |
| William Peterson | Iowa State Association of County Auditors | Supporting | GA90 |
| Gary Grant | Linn County Board of Supervisors | Supporting | GA90 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Withdrawn | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA90 |
| Betty Andrews | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Supporting | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |