| Amy Campbell | AARP Iowa | Undecided | GA90 |
| Chloe Gayer | AARP Iowa | Undecided | GA90 |
| Craig Patterson | AARP Iowa | Undecided | GA90 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA90 |
| Kate Walton | City of Bettendorf | Supporting | GA90 |
| Madeleine Bradley | City of Bettendorf | Supporting | GA90 |
| Matt Eide | City of Bettendorf | Supporting | GA90 |
| Gary Grant | City of Cedar Rapids | Undecided | GA90 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA90 |
| Doug Struyk | City of Des Moines | Supporting | GA90 |
| Emilee Harris-Puricelli | City of Des Moines | Supporting | GA90 |
| Jen Schulte | City of Des Moines | Supporting | GA90 |
| Jennifer Dorman | City of Des Moines | Supporting | GA90 |
| Jim Carney | City of Des Moines | Supporting | GA90 |
| Doug Struyk | City of Waukee | Supporting | GA90 |
| Jennifer Dorman | City of Waukee | Supporting | GA90 |
| Jim Carney | City of Waukee | Supporting | GA90 |
| Doug Struyk | ClassWallet | Withdrawn | GA90 |
| Doug Struyk | ClassWallet | Supporting | GA90 |
| Jennifer Dorman | ClassWallet | Withdrawn | GA90 |
| Jennifer Dorman | ClassWallet | Supporting | GA90 |
| Jim Carney | ClassWallet | Withdrawn | GA90 |
| Jim Carney | ClassWallet | Supporting | GA90 |
| Kate Walton | Grow Clinton County | Supporting | GA90 |
| Madeleine Bradley | Grow Clinton County | Supporting | GA90 |
| Matt Eide | Grow Clinton County | Supporting | GA90 |
| David Peck | Iowa Association of Municipal Utilities | Supporting | GA90 |
| David Peck | Iowa Association of Municipal Utilities | Undecided | GA90 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Supporting | GA90 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Undecided | GA90 |
| Emily Piper | Iowa Association of School Boards | Supporting | GA90 |
| Emily Piper | Iowa Association of School Boards | Withdrawn | GA90 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA90 |
| Michelle Johnson | Iowa Association of School Boards | Supporting | GA90 |
| Michelle Johnson | Iowa Association of School Boards | Withdrawn | GA90 |
| Michelle Johnson | Iowa Association of School Boards | Undecided | GA90 |
| Carolann Jensen | Iowa Board of Regents | Undecided | GA90 |
| Jennifer Harbison | Iowa Board of Regents | Undecided | GA90 |
| Jillian Carlson | Iowa Board of Regents | Undecided | GA90 |
| Keith Saunders | Iowa Board of Regents | Undecided | GA90 |
| Carrie Malone | Iowa Department of Health and Human Services | Undecided | GA90 |
| Nick Crawford | Iowa Department of Health and Human Services | Undecided | GA90 |
| Sonya Streit | Iowa Department of Health and Human Services | Undecided | GA90 |
| Doug Struyk | Iowa Drainage District Association | Supporting | GA90 |
| Jennifer Dorman | Iowa Drainage District Association | Supporting | GA90 |
| Jim Carney | Iowa Drainage District Association | Supporting | GA90 |
| John Torbert | Iowa Drainage District Association | Supporting | GA90 |
| Mona Bond | Iowa Drainage District Association | Supporting | GA90 |
| Nick Laning | Iowa Emergency Management Association | Supporting | GA90 |
| Nick Laning | Iowa Emergency Management Association | Undecided | GA90 |
| Threase Harms | Iowa Emergency Management Association | Supporting | GA90 |
| Threase Harms | Iowa Emergency Management Association | Undecided | GA90 |
| Alan Kemp | Iowa League of Cities | Supporting | GA90 |
| Daniel Stalder | Iowa League of Cities | Supporting | GA90 |
| Robert Palmer | Iowa League of Cities | Supporting | GA90 |
| Brad Epperly | Iowa Newspaper Association | Opposing | GA90 |
| Casey Nickel | Iowa Newspaper Association | Opposing | GA90 |
| Dustin Miller | Iowa Newspaper Association | Opposing | GA90 |
| Brett Toresdahl | Iowa Public Information Board | Undecided | GA90 |
| Erika Eckley | Iowa Public Information Board | Undecided | GA90 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA90 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA90 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA90 |
| William Peterson | Iowa State Association of Counties | 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 |
| Jamie Cashman | Iowa State Association of County Supervisors | Supporting | GA90 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Supporting | GA90 |
| Lucas Beenken | Iowa State Association of County Supervisors | Supporting | GA90 |
| William Peterson | Iowa State Association of County Supervisors | Supporting | GA90 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA90 |
| Chloe Gayer | League of Women Voters of Iowa | Undecided | GA90 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA90 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA90 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA90 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA90 |
| David Adelman | Metropolitan Coalition | Undecided | GA90 |
| Frank Chiodo | Metropolitan Coalition | Undecided | GA90 |
| Matt Hinch | Metropolitan Coalition | Undecided | GA90 |
| Paige Thorson | Metropolitan Coalition | Undecided | GA90 |
| Sara Allen | Metropolitan Coalition | Undecided | GA90 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Chloe Gayer | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Dave Daughton | Rural School Advocates of Iowa | Supporting | GA90 |
| Margaret Buckton | Rural School Advocates of Iowa | Supporting | GA90 |
| Dave Daughton | School Administrators of Iowa | Supporting | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |
| Margaret Buckton | Urban Education Network of Iowa | Supporting | GA90 |