| Sandra Conlin | Associated Builders & Contractors of Iowa | Supporting | GA86 |
| Scott Newhard | Associated General Contractors of Iowa | Supporting | GA86 |
| Bruce Rastetter | Board of Regents, State of Iowa | Opposing | GA86 |
| Joe Murphy | Board of Regents, State of Iowa | Opposing | GA86 |
| Katie Mulholland | Board of Regents, State of Iowa | Opposing | GA86 |
| Keith Saunders | Board of Regents, State of Iowa | Opposing | GA86 |
| Mary Braun | Board of Regents, State of Iowa | Opposing | GA86 |
| Robert Donley | Board of Regents, State of Iowa | Opposing | GA86 |
| Brice Oakley | CGI Technologies and Solutions | Undecided | GA86 |
| Don Avenson | CGI Technologies and Solutions | Undecided | GA86 |
| Tom Cope | CGI Technologies and Solutions | Undecided | GA86 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Opposing | GA86 |
| Katherine Carlucci | City of Iowa City | Undecided | GA86 |
| Thomas Stanberry | City of Iowa City | Undecided | GA86 |
| Caleb Hunter | Department of Administrative Services (DAS) | Undecided | GA86 |
| Jake Oeth | IBEW Iowa State Conference | Withdrawn | GA86 |
| Jake Oeth | IBEW Iowa State Conference | Supporting | GA86 |
| Kent Hartwig | IBEW Iowa State Conference | Withdrawn | GA86 |
| Kent Hartwig | IBEW Iowa State Conference | Supporting | GA86 |
| Threase Harms | IBEW Iowa State Conference | Withdrawn | GA86 |
| Threase Harms | IBEW Iowa State Conference | Supporting | GA86 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Opposing | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Withdrawn | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Rachel Geilenfeld | Iowa Association of Business and Industry (ABI) | Withdrawn | GA86 |
| Rachel Geilenfeld | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Zach Dalluge | Iowa Association of Business and Industry (ABI) | Withdrawn | GA86 |
| Zach Dalluge | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA86 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA86 |
| Brad Epperly | Iowa Chapter, American Institute of Architects | Supporting | GA86 |
| Brad Epperly | Iowa Chapter, American Institute of Architects | Undecided | GA86 |
| Paula Dierenfeld | Iowa Chapter, American Institute of Architects | Supporting | GA86 |
| Paula Dierenfeld | Iowa Chapter, American Institute of Architects | Undecided | GA86 |
| Scott Sundstrom | Iowa Chapter, American Institute of Architects | Supporting | GA86 |
| Scott Sundstrom | Iowa Chapter, American Institute of 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 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA86 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA86 |
| tom fey | Iowa State Building and Construction Trades Council | Opposing | GA86 |
| Erich Schmidt | Laborers International Union of North America | Undecided | GA86 |
| Chad Kleppe | Master Builders of Iowa | Opposing | GA86 |
| Chad Kleppe | Master Builders of Iowa | Undecided | GA86 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Opposing | GA86 |
| Craig Walter | Mechanical Contractors Association of Iowa (MCAI) | Opposing | GA86 |
| Brice Oakley | Microsoft Corp. | Undecided | GA86 |
| Don Avenson | Microsoft Corp. | Undecided | GA86 |
| Tom Cope | Microsoft Corp. | Undecided | GA86 |
| Brian Johnson | NECA - Iowa (NEC) | Opposing | GA86 |
| Craig Walter | NECA - Iowa (NEC) | Opposing | GA86 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Opposing | GA86 |
| David Adelman | Sheet Metal Contractors of Iowa | Undecided | GA86 |
| Mark Cooper | South Central Iowa Federation of Labor AFL-CIO | Opposing | GA86 |