| David Scott | American Council of Engineering Companies | Supporting | GA86 |
| Sandra Conlin | Associated Builders & Contractors of Iowa | Supporting | GA86 |
| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA86 |
| Joe Murphy | Board of Regents, State of Iowa | Undecided | GA86 |
| Katie Mulholland | Board of Regents, State of Iowa | Undecided | GA86 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA86 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA86 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA86 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Undecided | GA86 |
| Jerry Fitzgerald | City of Des Moines | Undecided | GA86 |
| Maggie Smith-Fitzgerald | City of Des Moines | Undecided | GA86 |
| Matt Fitzgerald | City of Des Moines | Undecided | GA86 |
| Caleb Hunter | Department of Administrative Services (DAS) | Undecided | GA86 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | GA86 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Supporting | GA86 |
| David Adelman | Hubbell Realty Company | Undecided | GA86 |
| Kent Hartwig | IBEW Iowa State Conference | Undecided | GA86 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA86 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Undecided | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Rachel Geilenfeld | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Zach Dalluge | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA86 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA86 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Broadcasters Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Broadcasters Association | 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 |
| Brice Oakley | Iowa Chapter, American Society of Landscape Architects | Undecided | GA86 |
| Don Avenson | Iowa Chapter, American Society of Landscape Architects | Undecided | GA86 |
| Tom Cope | Iowa Chapter, American Society of Landscape Architects | Undecided | GA86 |
| Doug Struyk | Iowa Competitive Bidding Alliance, Inc. | Supporting | GA86 |
| George Appleby | Iowa Competitive Bidding Alliance, Inc. | Supporting | GA86 |
| Jennifer Tyler | Iowa Competitive Bidding Alliance, Inc. | Supporting | GA86 |
| Jim Carney | Iowa Competitive Bidding Alliance, Inc. | Supporting | GA86 |
| Jennifer Harbison | Iowa Dept. of Human Services | Undecided | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA86 |
| Dustin Miller | Iowa League of Cities | Undecided | GA86 |
| Matt Blake | Iowa League of Cities | Undecided | GA86 |
| Robert Palmer | Iowa League of Cities | Undecided | GA86 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Newspaper Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Newspaper Association | Undecided | GA86 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA86 |
| William Peterson | Iowa State Association of Counties | Undecided | GA86 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA86 |
| Mike St. Clair | Iowa State Building and Construction Trades Council | Undecided | GA86 |
| tom fey | Iowa State Building and Construction Trades Council | Undecided | GA86 |
| Erich Schmidt | Laborers International Union of North America | Supporting | GA86 |
| Chad Kleppe | Master Builders of Iowa | Supporting | GA86 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA86 |
| Craig Walter | Polk County - Board of Supervisors | Undecided | GA86 |
| Doug Struyk | RELX Inc. | Supporting | GA86 |
| Doug Struyk | RELX Inc. | Undecided | GA86 |
| George Appleby | RELX Inc. | Supporting | GA86 |
| George Appleby | RELX Inc. | Undecided | GA86 |
| Jennifer Tyler | RELX Inc. | Supporting | GA86 |
| Jennifer Tyler | RELX Inc. | Undecided | GA86 |
| Jim Carney | RELX Inc. | Supporting | GA86 |
| Jim Carney | RELX Inc. | Undecided | GA86 |
| David Adelman | Sheet Metal Contractors of Iowa | Undecided | GA86 |
| Mark Cooper | South Central Iowa Federation of Labor AFL-CIO | Undecided | GA86 |