| Kate Walton | City of Cedar Falls | Undecided | GA87 |
| Matt Eide | City of Cedar Falls | Undecided | GA87 |
| Gary Grant | City of Cedar Rapids | Undecided | GA87 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA87 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA87 |
| Doug Struyk | City of Des Moines | Undecided | GA87 |
| Jennifer Dorman | City of Des Moines | Undecided | GA87 |
| Jim Carney | City of Des Moines | Undecided | GA87 |
| Doug Struyk | City of Iowa City | Opposing | GA87 |
| Doug Struyk | City of Iowa City | Undecided | GA87 |
| Jennifer Dorman | City of Iowa City | Opposing | GA87 |
| Jennifer Dorman | City of Iowa City | Undecided | GA87 |
| Jim Carney | City of Iowa City | Opposing | GA87 |
| Jim Carney | City of Iowa City | Undecided | GA87 |
| Doug Struyk | City of Waukee | Opposing | GA87 |
| Doug Struyk | City of Waukee | Undecided | GA87 |
| Jennifer Dorman | City of Waukee | Opposing | GA87 |
| Jennifer Dorman | City of Waukee | Undecided | GA87 |
| Jim Carney | City of Waukee | Opposing | GA87 |
| Jim Carney | City of Waukee | Undecided | GA87 |
| Julie Smith | City of West Des Moines | Opposing | GA87 |
| Julie Smith | City of West Des Moines | Undecided | GA87 |
| Tim Coonan | City of West Des Moines | Opposing | GA87 |
| Tim Coonan | City of West Des Moines | Undecided | GA87 |
| Marty Ryan | Fawkes-Lee & Ryan Inc. | Supporting | GA87 |
| Stephanie Fawkes-Lee | Fawkes-Lee & Ryan Inc. | Supporting | GA87 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA87 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA87 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA87 |
| Dane Schumann | Grow Clinton County | Undecided | GA87 |
| Emily Hockins | Grow Clinton County | Undecided | GA87 |
| Threase Harms | Grow Clinton County | Undecided | GA87 |
| David Palmer | Iowa Association of Community College Trustees (IACCT) | Opposing | GA87 |
| David Palmer | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Jeff Smith | Iowa Association of Community College Trustees (IACCT) | Opposing | GA87 |
| Jerry Fitzgerald | Iowa Association of Community College Trustees (IACCT) | Opposing | GA87 |
| Laurie Wolf | Iowa Association of Community College Trustees (IACCT) | Opposing | GA87 |
| Laurie Wolf | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Maggie Smith-Fitzgerald | Iowa Association of Community College Trustees (IACCT) | Opposing | GA87 |
| Matt Fitzgerald | Iowa Association of Community College Trustees (IACCT) | Opposing | GA87 |
| Julie Smith | Iowa Association of Municipal Utilities | Opposing | GA87 |
| Julie Smith | Iowa Association of Municipal Utilities | Undecided | GA87 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Opposing | GA87 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Undecided | GA87 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA87 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA87 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA87 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA87 |
| Alan Kemp | Iowa League of Cities | Opposing | GA87 |
| Lindsey McCune | Iowa League of Cities | Opposing | GA87 |
| Robert Palmer | Iowa League of Cities | Opposing | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA87 |
| William Peterson | Iowa State Association of Counties | Undecided | GA87 |
| Dennis Parrott | Iowa State Association of County Auditors | Undecided | GA87 |
| Heidi Burhans | Iowa State Association of County Auditors | Undecided | GA87 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA87 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA87 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA87 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA87 |
| Jim Carney | Iowa State Bar Association | Undecided | GA87 |
| Cindy Schulte | Iowa Valley Community College District | Opposing | GA87 |
| Cindy Schulte | Iowa Valley Community College District | Undecided | GA87 |
| Stephanie Bredman | Kirkwood Community College | Opposing | GA87 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA87 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA87 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA87 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA87 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA87 |
| Ben Hammes | Master Builders of Iowa | Undecided | GA87 |
| Chad Kleppe | Master Builders of Iowa | Undecided | GA87 |
| Julie Smith | Master Builders of Iowa | Undecided | GA87 |
| David Adelman | Metropolitan Coalition | Opposing | GA87 |
| Frank Chiodo | Metropolitan Coalition | Opposing | GA87 |
| Matt Hinch | Metropolitan Coalition | Opposing | GA87 |
| Sara Allen | Metropolitan Coalition | Opposing | GA87 |
| Kate Walton | Missouri River Energy Services | Undecided | GA87 |
| Matt Eide | Missouri River Energy Services | Undecided | GA87 |
| Donna Orton | North Iowa Area Community College | Undecided | GA87 |
| Emily Piper | Piper Jaffray | Opposing | GA87 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA87 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA87 |
| David Wilkerson | School Administrators of Iowa | Opposing | GA87 |
| Gary Grant | Urban County Coalition | Undecided | GA87 |
| Larry Murphy | Urban County Coalition | Undecided | GA87 |
| Meghan Malloy | Urban County Coalition | Undecided | GA87 |
| Lewis Finch | Urban Education Network of Iowa | Opposing | GA87 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA87 |
| Gary Grant | Vote Hemp | Undecided | GA87 |
| Larry Murphy | Vote Hemp | Withdrawn | GA87 |
| Larry Murphy | Vote Hemp | Undecided | GA87 |
| Meghan Malloy | Vote Hemp | Undecided | GA87 |