| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Christopher Rants | Center for Rural Affairs | Undecided | GA91 |
| Cynthia Farmer | Center for Rural Affairs | Undecided | GA91 |
| John Cacciatore | Center for Rural Affairs | Undecided | GA91 |
| Jefferson Fink | Coalition for Iowa Woodlands and Trees | Supporting | GA91 |
| Jim Obradovich | Coalition for Iowa Woodlands and Trees | Supporting | GA91 |
| Victoria Sinclair | Coalition for Iowa Woodlands and Trees | Supporting | GA91 |
| Jefferson Fink | Conservation Districts of Iowa | Supporting | GA91 |
| Jim Obradovich | Conservation Districts of Iowa | Supporting | GA91 |
| Victoria Sinclair | Conservation Districts of Iowa | Supporting | GA91 |
| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA91 |
| Chloe Gayer | Iowa Association of County Conservation Boards | Undecided | GA91 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA91 |
| Carolann Jensen | Iowa Board of Regents | Supporting | GA91 |
| Jennifer Harbison | Iowa Board of Regents | Supporting | GA91 |
| Jillian Carlson | Iowa Board of Regents | Supporting | GA91 |
| Keith Saunders | Iowa Board of Regents | Supporting | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA91 |
| Jefferson Fink | Iowa Conservation Alliance | Undecided | GA91 |
| Jim Obradovich | Iowa Conservation Alliance | Undecided | GA91 |
| Victoria Sinclair | Iowa Conservation Alliance | Undecided | GA91 |
| Phil Jeneary | Iowa Food Bank Association | Undecided | GA91 |
| Amy Campbell | Iowa Natural Heritage Foundation | Undecided | GA91 |
| Chloe Gayer | Iowa Natural Heritage Foundation | Undecided | GA91 |
| Craig Patterson | Iowa Natural Heritage Foundation | Undecided | GA91 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA91 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA91 |
| Logan Shine | Iowa Rural Water Association | Undecided | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Undecided | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA91 |
| Andrea Woodard | Iowa State Association of County Supervisors | Undecided | GA91 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA91 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA91 |
| Clara Wulfsen | Iowa Veterinary Medical Association | Supporting | GA91 |
| Doug Struyk | Iowa Veterinary Medical Association | Supporting | GA91 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Supporting | GA91 |
| Jim Carney | Iowa Veterinary Medical Association | Supporting | GA91 |
| Kate Walton | Iowa Wine Growers Association | Undecided | GA91 |
| Madeleine Bradley | Iowa Wine Growers Association | Undecided | GA91 |
| Matt Eide | Iowa Wine Growers Association | Undecided | GA91 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA91 |
| Chloe Gayer | League of Women Voters of Iowa | Undecided | GA91 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Amy Campbell | Loess Hills Alliance | Undecided | GA91 |
| Chloe Gayer | Loess Hills Alliance | Undecided | GA91 |
| Craig Patterson | Loess Hills Alliance | Undecided | GA91 |
| Gary Grant | MH/DS of East Central Region | Undecided | GA91 |
| Larry Murphy | MH/DS of East Central Region | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |