| Marcia Nichols | AFSCME Iowa Council 61 | Undecided | GA86 |
| Morgan Miller | AFSCME Iowa Council 61 | Undecided | GA86 |
| David Scott | American Council of Engineering Companies | Undecided | 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 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA86 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Undecided | GA86 |
| Gary Grant | City of Cedar Rapids | Undecided | GA86 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA86 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA86 |
| Phil Tuning | Deere & Company | Opposing | GA86 |
| Phil Tuning | Deere & Company | Undecided | GA86 |
| Caleb Hunter | Department of Administrative Services (DAS) | Undecided | GA86 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | GA86 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA86 |
| Dane Schumann | IBEW Iowa State Conference | Undecided | GA86 |
| Emily Hockins | 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 Triplett | Iowa Alliance of Surety Companies | 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 | Undecided | GA86 |
| Phil Jeneary | Iowa Association of School Boards | Undecided | GA86 |
| Eric Tabor | Iowa Attorney General Dept. of Justice | 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 |
| Doug Struyk | Iowa Competitive Bidding Alliance, Inc. | Undecided | GA86 |
| George Appleby | Iowa Competitive Bidding Alliance, Inc. | Undecided | GA86 |
| Jennifer Tyler | Iowa Competitive Bidding Alliance, Inc. | Undecided | GA86 |
| Jim Carney | Iowa Competitive Bidding Alliance, Inc. | Undecided | GA86 |
| Michael Savala | Iowa Dept. of Corrections | Undecided | GA86 |
| Phil Wise | Iowa Dept. of Education | Undecided | GA86 |
| Jennifer Harbison | Iowa Dept. of Human Services | Undecided | GA86 |
| Mikel Derby | Iowa Dept. of Transportation | Undecided | GA86 |
| David Scott | Iowa Engineering Society | Undecided | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Supporting | GA86 |
| Angela Davis | Iowa Lumber Association | Undecided | GA86 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA86 |
| tom fey | Iowa State Building and Construction Trades Council | Withdrawn | GA86 |
| tom fey | Iowa State Building and Construction Trades Council | Supporting | GA86 |
| Joan Conrad | Iowa Utilities Board | Undecided | GA86 |
| Kerri Johannsen | Iowa Utilities Board | Undecided | GA86 |
| Libby Jacobs | Iowa Utilities Board | Undecided | GA86 |
| Nick Wagner | Iowa Utilities Board | Undecided | GA86 |
| Sheila Tipton | Iowa Utilities Board | Undecided | GA86 |
| Michael Triplett | Lafarge North American | Undecided | GA86 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA86 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA86 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA86 |
| Chad Kleppe | Master Builders of Iowa | Undecided | GA86 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA86 |
| Craig Walter | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA86 |
| David Adelman | Metropolitan Coalition | Undecided | GA86 |
| John Pederson | Missouri River Energy Services | Opposing | GA86 |
| Laura Book | Missouri River Energy Services | Opposing | GA86 |
| Matt Eide | Missouri River Energy Services | Opposing | GA86 |
| Brian Johnson | NECA - Iowa (NEC) | Undecided | GA86 |
| Craig Walter | NECA - Iowa (NEC) | Undecided | GA86 |
| Kristin Failor | National Federation of Independent Business (NFIB /IA) | Undecided | GA86 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Undecided | GA86 |
| Jon Murphy | Plumbers and Steam Fitters Local 33 | Undecided | GA86 |
| Justin Hupfer | Plumbers and Steam Fitters Local 33 | Undecided | GA86 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA86 |
| Craig Walter | Polk County - Board of Supervisors | Undecided | GA86 |
| Scott VanDeWoestyne | Quad Cities Chamber of Commerce | Opposing | GA86 |
| Christopher Rants | RJ Thomas Mfg Co | Undecided | GA86 |
| John Cacciatore | RJ Thomas Mfg Co | Undecided | GA86 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA86 |
| Mark Cooper | South Central Iowa Federation of Labor AFL-CIO | Supporting | GA86 |
| Gary Grant | Urban County Coalition | Undecided | GA86 |
| Larry Murphy | Urban County Coalition | Undecided | GA86 |
| Meghan Malloy | Urban County Coalition | Undecided | GA86 |
| Lewis Finch | Urban Education Network of Iowa | Undecided | GA86 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA86 |