| Alex Drzycimski | AFSCME Iowa Council 61 | Opposing | GA87 |
| Morgan Miller | AFSCME Iowa Council 61 | Opposing | GA87 |
| Brad Epperly | AIG-American International Companies | Supporting | GA87 |
| Dustin Miller | AIG-American International Companies | Supporting | GA87 |
| Paige Thorson | AIG-American International Companies | Supporting | GA87 |
| Paula Dierenfeld | AIG-American International Companies | Supporting | GA87 |
| Brian Johnson | Alliance Pipeline, Inc. | Undecided | GA87 |
| Craig Walter | Alliance Pipeline, Inc. | Undecided | GA87 |
| Marc Beltrame | Allied Insurance | Supporting | GA87 |
| RG Schwarm | Allied Insurance | Supporting | GA87 |
| David Scott | American Council of Engineering Companies | Supporting | GA87 |
| Brad Epperly | American Insurance Association | Supporting | GA87 |
| Dustin Miller | American Insurance Association | Supporting | GA87 |
| Paige Thorson | American Insurance Association | Supporting | GA87 |
| Paula Dierenfeld | American Insurance Association | Supporting | GA87 |
| Drew Kamp | Ames Chamber of Commerce | Undecided | GA87 |
| Sandra Conlin | Associated Builders & Contractors of Iowa | Supporting | GA87 |
| Scott Newhard | Associated General Contractors of Iowa | Supporting | GA87 |
| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA87 |
| Katie Mulholland | Board of Regents, State of Iowa | Undecided | GA87 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA87 |
| Kristin Failor | Board of Regents, State of Iowa | Undecided | GA87 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA87 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA87 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Withdrawn | GA87 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Opposing | GA87 |
| Doug Struyk | City of Des Moines | Opposing | GA87 |
| Jen Schulte | City of Des Moines | Opposing | GA87 |
| Jim Carney | City of Des Moines | Opposing | GA87 |
| Shannon Henson | City of Des Moines | Opposing | GA87 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA87 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA87 |
| Joe Murphy | Greater Des Moines Partnership | Undecided | GA87 |
| Paige Thorson | Greater Des Moines Partnership | Undecided | GA87 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA87 |
| Michael Triplett | Greater Iowa Apartment Association | Supporting | GA87 |
| Mike St. Clair | Grinnell Mutual Reinsurance Company | Supporting | GA87 |
| R. Bruce Beeston | HOA Reform Coaltion | Supporting | GA87 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Supporting | GA87 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA87 |
| David Adelman | Hubbell Realty Company | Supporting | GA87 |
| Frank Chiodo | Hubbell Realty Company | Supporting | GA87 |
| Matt Hinch | Hubbell Realty Company | Supporting | GA87 |
| Sara Allen | Hubbell Realty Company | Supporting | GA87 |
| Bob Skow | Independent Insurance Agents of Iowa | Supporting | GA87 |
| Larry Blixt | Independent Insurance Agents of Iowa | Supporting | GA87 |
| Mike Heller | Iowa Academy of Trial Lawyers | Opposing | GA87 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Opposing | GA87 |
| Michael Triplett | Iowa Alliance of Surety Companies | Supporting | GA87 |
| Angela Davis | Iowa Association for Justice | Opposing | GA87 |
| Bill Wimmer | Iowa Association for Justice | Opposing | GA87 |
| Brad Lint | Iowa Association for Justice | Opposing | GA87 |
| Kellie Paschke | Iowa Association for Justice | Opposing | GA87 |
| Lisa Davis-Cook | Iowa Association for Justice | Opposing | GA87 |
| Troy Skinner | Iowa Association for Justice | Opposing | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Jennifer Kingland | Iowa Association of Realtors | Supporting | GA87 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA87 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA87 |
| Eric Tabor | Iowa Attorney General Dept. of Justice | Opposing | GA87 |
| Nathan Blake | Iowa Attorney General Dept. of Justice | Opposing | GA87 |
| Robert Hartwig | Iowa Bankers Association | Undecided | GA87 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA87 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA87 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA87 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA87 |
| Paige Thorson | Iowa Chamber Alliance | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA87 |
| Brad Epperly | Iowa Chapter, American Institute of Architects | Supporting | GA87 |
| Dustin Miller | Iowa Chapter, American Institute of Architects | Supporting | GA87 |
| Paige Thorson | Iowa Chapter, American Institute of Architects | Supporting | GA87 |
| Paula Dierenfeld | Iowa Chapter, American Institute of Architects | Supporting | GA87 |
| Brice Oakley | Iowa Chapter, American Society of Landscape Architects | Supporting | GA87 |
| Don Avenson | Iowa Chapter, American Society of Landscape Architects | Supporting | GA87 |
| Tom Cope | Iowa Chapter, American Society of Landscape Architects | Supporting | GA87 |
| Christopher Rants | Iowa Credit Union League | Undecided | GA87 |
| John Cacciatore | Iowa Credit Union League | Undecided | GA87 |
| Jon Murphy | Iowa Credit Union League | Undecided | GA87 |
| Justin Hupfer | Iowa Credit Union League | Undecided | GA87 |
| Lon Anderson | Iowa Credit Union League | Undecided | GA87 |
| Brad Epperly | Iowa Defense Counsel Association | Supporting | GA87 |
| Brad Epperly | Iowa Defense Counsel Association | Undecided | GA87 |
| Dustin Miller | Iowa Defense Counsel Association | Supporting | GA87 |
| Dustin Miller | Iowa Defense Counsel Association | Undecided | GA87 |
| Paige Thorson | Iowa Defense Counsel Association | Supporting | GA87 |
| Paige Thorson | Iowa Defense Counsel Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Defense Counsel Association | Supporting | GA87 |
| Paula Dierenfeld | Iowa Defense Counsel Association | Undecided | GA87 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA87 |
| Charlotte Eby | Iowa Insurance Institute | Supporting | GA87 |
| Jeffrey Boeyink | Iowa Insurance Institute | Supporting | GA87 |
| Susan Fenton | Iowa Insurance Institute | Supporting | GA87 |
| Alan Kemp | Iowa League of Cities | Opposing | GA87 |
| Alan Kemp | Iowa League of Cities | Undecided | GA87 |
| Lindsey McCune | Iowa League of Cities | Opposing | GA87 |
| Lindsey McCune | Iowa League of Cities | Undecided | GA87 |
| Robert Palmer | Iowa League of Cities | Opposing | GA87 |
| Robert Palmer | Iowa League of Cities | Undecided | GA87 |
| Doug Struyk | Iowa State Bar Association | Opposing | GA87 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA87 |
| Jim Carney | Iowa State Bar Association | Opposing | GA87 |
| Jim Carney | Iowa State Bar Association | Undecided | GA87 |
| Shannon Henson | Iowa State Bar Association | Opposing | GA87 |
| Shannon Henson | Iowa State Bar Association | Undecided | GA87 |
| tom fey | Iowa State Building and Construction Trades Council | Opposing | GA87 |
| Chad Kleppe | Master Builders of Iowa | Supporting | GA87 |
| Julie Smith | Master Builders of Iowa | Supporting | GA87 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Supporting | GA87 |
| Brian Johnson | NECA - Iowa (NEC) | Supporting | GA87 |
| Marc Beltrame | Nationwide Agribusiness | Supporting | GA87 |
| RG Schwarm | Nationwide Agribusiness | Supporting | GA87 |
| Marc Beltrame | Nationwide Mutual Ins. Co. | Supporting | GA87 |
| RG Schwarm | Nationwide Mutual Ins. Co. | Supporting | GA87 |
| Brian Johnson | NextEra Energy | Undecided | GA87 |
| Craig Walter | NextEra Energy | Undecided | GA87 |
| Frederick Haskins | Patterson Law Firm LLP | Supporting | GA87 |
| Frederick Haskins | Patterson Law Firm LLP | Undecided | GA87 |
| Christopher Rants | Plumbers and Steam Fitters Local 33 | Undecided | GA87 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Undecided | GA87 |
| Chris Smith | SMART Sheet Metal Local 263 | Opposing | GA87 |
| Chris Smith | SMART Sheet Metal Local 45 | Opposing | GA87 |
| Chris Smith | SMART Sheet Metal Local 91 | Opposing | GA87 |
| David Adelman | Sheet Metal Contractors of Iowa | Supporting | GA87 |
| Frank Chiodo | Sheet Metal Contractors of Iowa | Supporting | GA87 |
| Matt Hinch | Sheet Metal Contractors of Iowa | Supporting | GA87 |
| Sara Allen | Sheet Metal Contractors of Iowa | Supporting | GA87 |
| David Scott | Society of Land Surveyors of Iowa | Supporting | GA87 |
| Jeffrey Boeyink | Weitz Company | Supporting | GA87 |
| Mark Joyce | Weitz Company | Supporting | GA87 |
| Susan Fenton | Weitz Company | Supporting | GA87 |