| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA86 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA86 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA86 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA86 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA86 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA86 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA86 |
| Scott Sundstrom | Iowa Chamber Alliance | Undecided | GA86 |
| Brad Epperly | Iowa Chapter, American Institute of Architects | Undecided | GA86 |
| Paula Dierenfeld | Iowa Chapter, American Institute of Architects | Undecided | GA86 |
| Scott Sundstrom | Iowa Chapter, American Institute of Architects | Undecided | GA86 |
| Don Petersen | Iowa Farm Bureau Federation | Opposing | GA86 |
| Marty Schwager | Iowa Farm Bureau Federation | Opposing | GA86 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Opposing | GA86 |
| Angela Davis | Iowa Judges Association | Undecided | GA86 |
| Bill Wimmer | Iowa Judges Association | Undecided | GA86 |
| David Boyd | Iowa Judicial Branch - Supreme Court | Supporting | GA86 |
| Molly Kottmeyer | Iowa Judicial Branch - Supreme Court | Supporting | GA86 |
| Sydney Kronkow | Iowa Judicial Branch - Supreme Court | Supporting | GA86 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA86 |
| William Peterson | Iowa State Association of Counties | Supporting | GA86 |
| William Heckroth | Iowa State Association of County Supervisors | Supporting | GA86 |
| Doug Struyk | Iowa State Bar Association | Supporting | GA86 |
| George Appleby | Iowa State Bar Association | Supporting | GA86 |
| Jennifer Tyler | Iowa State Bar Association | Supporting | GA86 |
| Jim Carney | Iowa State Bar Association | Supporting | GA86 |
| Gary Grant | Linn County Board of Supervisors | Supporting | GA86 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA86 |
| Meghan Malloy | Linn County Board of Supervisors | Supporting | GA86 |
| Brian Johnson | Polk County - Board of Supervisors | Supporting | GA86 |
| Craig Walter | Polk County - Board of Supervisors | Supporting | GA86 |
| Gary Grant | Urban County Coalition | Supporting | GA86 |
| Larry Murphy | Urban County Coalition | Supporting | GA86 |
| Meghan Malloy | Urban County Coalition | Supporting | GA86 |