| Alex Drzycimski | AFSCME Iowa Council 61 | Opposing | GA87 |
| Morgan Miller | AFSCME Iowa Council 61 | Opposing | GA87 |
| Daniel Zeno | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA87 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA87 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA87 |
| Drew Klein | Americans For Prosperity | Supporting | GA87 |
| Drew Kamp | Ames Chamber of Commerce | Undecided | GA87 |
| Drew Kamp | Ames Chamber of Commerce | Withdrawn | GA87 |
| Drew Kamp | Ames Chamber of Commerce | Supporting | GA87 |
| Sandra Conlin | Associated Builders & 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 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA87 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Opposing | GA87 |
| Gary Grant | City of Cedar Rapids | Undecided | GA87 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA87 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA87 |
| Doug Struyk | City of Des Moines | Undecided | GA87 |
| Jeffrey Lester | City of Des Moines | Undecided | GA87 |
| Jen Schulte | City of Des Moines | Undecided | GA87 |
| Jim Carney | City of Des Moines | Undecided | GA87 |
| Shannon Henson | City of Des Moines | Undecided | GA87 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA87 |
| Ted Stopulos | Governor's Office | Supporting | GA87 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | 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 |
| Connor Slack | IBEW Iowa State Conference | Opposing | GA87 |
| Dane Schumann | IBEW Iowa State Conference | Opposing | GA87 |
| Emily Hockins | IBEW Iowa State Conference | Opposing | GA87 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA87 |
| Bob Skow | Independent Insurance Agents of Iowa | Undecided | GA87 |
| Larry Blixt | Independent Insurance Agents of Iowa | Undecided | GA87 |
| Thomas O'Meara | Independent Insurance Agents of Iowa | Undecided | GA87 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA87 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Opposing | GA87 |
| Bob Ward | Iowa Annual Conference of United Methodist Church | Opposing | GA87 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Opposing | GA87 |
| Gary Nims | Iowa Annual Conference of United Methodist Church | Opposing | GA87 |
| Kathleen McQuillen | Iowa Annual Conference of United Methodist Church | Opposing | GA87 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Opposing | GA87 |
| Sheila Corsbie | Iowa Annual Conference of United Methodist Church | Opposing | GA87 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Opposing | GA87 |
| William Steward | Iowa Annual Conference of United Methodist Church | 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 |
| David Palmer | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Donna Orton | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Emily Shields | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Undecided | GA87 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA87 |
| Phil Jeneary | Iowa Association of School Boards | Undecided | GA87 |
| Robert Hartwig | Iowa Bankers Association | Undecided | GA87 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA87 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA87 |
| Meghan Malloy | Iowa Catholic Conference | Undecided | GA87 |
| Tom Chapman | Iowa Catholic Conference | Undecided | GA87 |
| Brad Epperly | Iowa Chamber Alliance | Supporting | GA87 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA87 |
| Dustin Miller | Iowa Chamber Alliance | Supporting | GA87 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA87 |
| John Stineman | Iowa Chamber Alliance | Supporting | GA87 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA87 |
| Paige Thorson | Iowa Chamber Alliance | Supporting | GA87 |
| Paige Thorson | Iowa Chamber Alliance | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chamber Alliance | Supporting | GA87 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA87 |
| Connor Slack | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Opposing | GA87 |
| Dane Schumann | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Opposing | GA87 |
| Emily Hockins | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Opposing | GA87 |
| Threase Harms | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Opposing | GA87 |
| Connor Slack | Iowa Chapter of the National Emergency Number Association (NENA) | Opposing | GA87 |
| Dane Schumann | Iowa Chapter of the National Emergency Number Association (NENA) | Opposing | GA87 |
| Emily Hockins | Iowa Chapter of the National Emergency Number Association (NENA) | Opposing | GA87 |
| Threase Harms | Iowa Chapter of the National Emergency Number Association (NENA) | Opposing | GA87 |
| Bridget Fagan-Reidburn | Iowa Citizens for Community Improvement Action Fund | Opposing | GA87 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA87 |
| Angela Davis | Iowa Court Reporters Association | Undecided | GA87 |
| Bill Wimmer | Iowa Court Reporters Association | Undecided | GA87 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA87 |
| Deborah Thompson | Iowa Dept. of Public Health | Undecided | GA87 |
| Michael Triplett | Iowa Emergency Medical Services Association | Undecided | GA87 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA87 |
| Angela Davis | Iowa Judges Association | Undecided | GA87 |
| Bill Wimmer | Iowa Judges Association | Undecided | GA87 |
| David Boyd | Iowa Judicial Branch - Supreme Court | Undecided | GA87 |
| Molly Kottmeyer | Iowa Judicial Branch - Supreme Court | Undecided | GA87 |
| Sydney Kronkow | Iowa Judicial Branch - Supreme Court | Undecided | GA87 |
| Alan Kemp | Iowa League of Cities | Undecided | GA87 |
| Lindsey McCune | Iowa League of Cities | Undecided | GA87 |
| Robert Palmer | Iowa League of Cities | Undecided | GA87 |
| Kellie Paschke | Iowa Peace Officers Association | Opposing | GA87 |
| Troy Skinner | Iowa Peace Officers Association | Opposing | GA87 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA87 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA87 |
| Christopher Rants | Iowa Professional Fire Fighters | Opposing | GA87 |
| John Cacciatore | Iowa Professional Fire Fighters | Opposing | GA87 |
| Nate Monson | Iowa Safe Schools | Opposing | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA87 |
| William Peterson | Iowa State Association of Counties | Undecided | GA87 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA87 |
| Mike St. Clair | Iowa State Building and Construction Trades Council | Opposing | GA87 |
| tom fey | Iowa State Building and Construction Trades Council | Opposing | GA87 |
| Brad Hudson | Iowa State Education Association | Opposing | GA87 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA87 |
| Mike Heller | Iowa State Police Association | Undecided | GA87 |
| Paula Feltner | Iowa State Police Association | Undecided | GA87 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Undecided | GA87 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA87 |
| Ernie Adkison | Iowans for Tax Relief | Supporting | GA87 |
| Erich Schmidt | Laborers International Union of North America | Opposing | GA87 |
| Mitch Henry | League of United Latin American Citizens (LULAC) | Opposing | GA87 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA87 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA87 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA87 |
| David Adelman | Metropolitan Coalition | Undecided | GA87 |
| Frank Chiodo | Metropolitan Coalition | Undecided | GA87 |
| Matt Hinch | Metropolitan Coalition | Undecided | GA87 |
| Sara Allen | Metropolitan Coalition | Undecided | GA87 |
| Erin Cubit | Planned Parenthood Voters of Iowa | Opposing | GA87 |
| Erin Davison-Rippey | Planned Parenthood Voters of Iowa | Opposing | GA87 |
| Jamie Burch | Planned Parenthood Voters of Iowa | Opposing | GA87 |
| Erin Cubit | Planned Parenthood of the Heartland | Opposing | GA87 |
| Erin Davison-Rippey | Planned Parenthood of the Heartland | Opposing | GA87 |
| Jamie Burch | Planned Parenthood of the Heartland | Opposing | GA87 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Opposing | GA87 |
| Brian Johnson | Polk County - Board of Supervisors | Opposing | GA87 |
| Mark Felderman | Professional Educators of Iowa | Undecided | GA87 |
| Jamie Van Fossen | Public Employment Relations Board (PERB) | Undecided | GA87 |
| Mike Cormack | Public Employment Relations Board (PERB) | 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 |
| Chris Smith | SMART-Transportation Division | Opposing | GA87 |
| Mark Cooper | South Central Iowa Federation of Labor AFL-CIO | Opposing | GA87 |
| Christopher Rants | State Police Officers Council | Opposing | GA87 |
| John Cacciatore | State Police Officers Council | Opposing | GA87 |
| Jim Romar | Teamsters Local 238 | Opposing | GA87 |
| Jim Obradovich | United Professionals/UE | Opposing | GA87 |
| Karl Schilling | United Professionals/UE | Opposing | GA87 |
| Gary Grant | Urban County Coalition | Undecided | GA87 |
| Larry Murphy | Urban County Coalition | Undecided | GA87 |
| Meghan Malloy | Urban County Coalition | Undecided | GA87 |
| Frank Stork | Wellmark, Inc. | Undecided | GA87 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA87 |