| Morgan Miller | AFSCME Iowa Council 61 | Undecided | GA87 |
| Kate Walton | City of Cedar Falls | Opposing | GA87 |
| Matt Eide | City of Cedar Falls | Opposing | GA87 |
| Gary Grant | City of Cedar Rapids | Opposing | GA87 |
| Larry Murphy | City of Cedar Rapids | Opposing | GA87 |
| Meghan Malloy | City of Cedar Rapids | Opposing | 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 | Undecided | GA87 |
| Jennifer Dorman | City of Waukee | Undecided | GA87 |
| Jim Carney | City of Waukee | Undecided | GA87 |
| Julie Smith | City of West Des Moines | Undecided | GA87 |
| Tim Coonan | City of West Des Moines | Undecided | GA87 |
| Dane Schumann | Grow Clinton County | Undecided | GA87 |
| Emily Hockins | Grow Clinton County | Undecided | GA87 |
| Threase Harms | Grow Clinton County | Undecided | GA87 |
| Jon Murphy | Iowa Association of Councils of Governments (IARC) | Undecided | GA87 |
| Tom Cope | Iowa Association of Councils of Governments (IARC) | Undecided | GA87 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Undecided | GA87 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA87 |
| Dustin Miller | Iowa Broadcasters Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Broadcasters Association | 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 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA87 |
| Dustin Miller | Iowa Newspaper Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Newspaper Association | Undecided | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Opposing | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA87 |
| William Peterson | Iowa State Association of Counties | Opposing | GA87 |
| William Peterson | Iowa State Association of Counties | Undecided | GA87 |
| Dennis Parrott | Iowa State Association of County Auditors | Opposing | GA87 |
| Heidi Burhans | Iowa State Association of County Auditors | Opposing | GA87 |
| Jamie Cashman | Iowa State Association of County Supervisors | Opposing | GA87 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Opposing | GA87 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of County Supervisors | Opposing | GA87 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA87 |
| William Peterson | Iowa State Association of County Supervisors | Opposing | 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 |
| Ernie Adkison | Iowans for Tax Relief | Undecided | GA87 |
| Gary Grant | Linn County Board of Supervisors | Opposing | GA87 |
| Larry Murphy | Linn County Board of Supervisors | Opposing | GA87 |
| Meghan Malloy | Linn County Board of Supervisors | Opposing | GA87 |
| David Adelman | Metropolitan Coalition | Undecided | GA87 |
| Frank Chiodo | Metropolitan Coalition | Undecided | GA87 |
| Matt Hinch | Metropolitan Coalition | Undecided | GA87 |
| Sara Allen | Metropolitan Coalition | Undecided | GA87 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA87 |
| Gary Grant | Urban County Coalition | Opposing | GA87 |
| Larry Murphy | Urban County Coalition | Opposing | GA87 |
| Meghan Malloy | Urban County Coalition | Opposing | GA87 |