| David Scott | American Council of Engineering Companies | Supporting | GA86 |
| Scott Newhard | Associated General 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 | Supporting | GA86 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Undecided | GA86 |
| John Pederson | City of Cedar Falls | Undecided | GA86 |
| Kelly Nuckolls | City of Cedar Falls | Undecided | GA86 |
| Matt Eide | City of Cedar Falls | Undecided | GA86 |
| Jen Schulte | City of Des Moines | Undecided | GA86 |
| Dane Schumann | Des Moines Water Works | Undecided | GA86 |
| Emily Hockins | Des Moines Water Works | Undecided | GA86 |
| Threase Harms | Des Moines Water Works | Undecided | GA86 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Supporting | GA86 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | GA86 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Supporting | GA86 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Undecided | GA86 |
| Michael Triplett | Iowa Alliance of Surety Companies | Supporting | GA86 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Myron Linn | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| David Palmer | Iowa Association of Community College Trustees (IACCT) | Undecided | GA86 |
| John Schmaltz | Iowa Association of Community College Trustees (IACCT) | Undecided | GA86 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA86 |
| Phil Jeneary | Iowa Association of School Boards | 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 |
| Shannon Henson | Iowa Competitive Bidding Alliance, Inc. | Undecided | GA86 |
| Dane Schumann | Iowa Emergency Management Association | Undecided | GA86 |
| Emily Hockins | Iowa Emergency Management Association | Undecided | GA86 |
| Threase Harms | Iowa Emergency Management Association | Undecided | GA86 |
| David Scott | Iowa Engineering Society | Undecided | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Supporting | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA86 |
| Angela Davis | Iowa Lumber Association | Undecided | GA86 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA86 |
| Brad Epperly | Iowa Newspaper Association | Opposing | GA86 |
| Paula Dierenfeld | Iowa Newspaper Association | Opposing | GA86 |
| Scott Sundstrom | Iowa Newspaper Association | Opposing | GA86 |
| Emily Piper | Iowa Rural Water 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 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA86 |
| George Appleby | Iowa State Bar Association | Undecided | GA86 |
| Jennifer Tyler | Iowa State Bar Association | Undecided | GA86 |
| Jim Carney | Iowa State Bar Association | Undecided | GA86 |
| Shannon Henson | Iowa State Bar Association | Undecided | GA86 |
| Mike St. Clair | Iowa State Building and Construction Trades Council | Supporting | GA86 |
| tom fey | Iowa State Building and Construction Trades Council | Supporting | GA86 |
| tom fey | Iowa State Building and Construction Trades Council | Undecided | GA86 |
| Erich Schmidt | Laborers International Union of North America | Supporting | GA86 |
| Erich Schmidt | Laborers International Union of North America | Undecided | GA86 |
| Chad Kleppe | Master Builders of Iowa | Supporting | GA86 |
| Julie Smith | Master Builders of Iowa | Supporting | GA86 |
| Doug Struyk | Mediacom Communications Corporation | Undecided | GA86 |
| George Appleby | Mediacom Communications Corporation | Undecided | GA86 |
| Jennifer Tyler | Mediacom Communications Corporation | Undecided | GA86 |
| Jim Carney | Mediacom Communications Corporation | Undecided | GA86 |
| Shannon Henson | Mediacom Communications Corporation | Undecided | GA86 |
| David Adelman | Metropolitan Coalition | Supporting | GA86 |
| Frank Chiodo | Metropolitan Coalition | Supporting | GA86 |
| Matt Hinch | Metropolitan Coalition | Supporting | GA86 |
| Christopher Rants | Plumbers and Steam Fitters Local 33 | Undecided | GA86 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Undecided | GA86 |
| Doug Struyk | RELX Inc. | Undecided | GA86 |
| George Appleby | RELX Inc. | Undecided | GA86 |
| Jennifer Tyler | RELX Inc. | Undecided | GA86 |
| Jim Carney | RELX Inc. | Undecided | GA86 |
| Shannon Henson | RELX Inc. | Undecided | GA86 |
| David Adelman | Sheet Metal Contractors of Iowa | Supporting | GA86 |
| Frank Chiodo | Sheet Metal Contractors of Iowa | Supporting | GA86 |
| Matt Hinch | Sheet Metal Contractors of Iowa | Supporting | GA86 |