| Mazie Stilwell | AFSCME Iowa Council 61 | Opposing | GA87 |
| Morgan Miller | AFSCME Iowa Council 61 | Opposing | GA87 |
| Bill Wimmer | Alamo Rent A Car | Undecided | GA87 |
| Daniel Zeno | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA87 |
| Mark Stringer | 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 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA87 |
| Kristin Bauer | Board of Regents, State of Iowa | Undecided | GA87 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA87 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Opposing | GA87 |
| Bill Wimmer | Enterprise Rent-A-Car | Undecided | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA87 |
| Katelynn McCollough | Hy-Vee, Inc. | Undecided | GA87 |
| Tim Coonan | Hy-Vee, Inc. | Undecided | GA87 |
| Dane Schumann | IBEW Iowa State Conference | Opposing | GA87 |
| Dane Schumann | IBEW Iowa State Conference | Undecided | GA87 |
| Emily Hockins | IBEW Iowa State Conference | Opposing | GA87 |
| Emily Hockins | IBEW Iowa State Conference | Undecided | GA87 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA87 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA87 |
| Thomas Jochum | International Union of Operating Engineers-Local 234 | Opposing | GA87 |
| Brad Lint | Iowa Association for Justice | Undecided | GA87 |
| Kellie Paschke | Iowa Association for Justice | Undecided | GA87 |
| Lisa Davis-Cook | Iowa Association for Justice | Undecided | GA87 |
| Troy Skinner | Iowa Association for Justice | Undecided | 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 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA87 |
| Bill Wimmer | Iowa Lumber Association | Undecided | 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 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA87 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA87 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA87 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA87 |
| Jim Carney | Iowa State Bar Association | Undecided | GA87 |
| Mike Heller | Iowa State Police Association | Undecided | GA87 |
| Paula Feltner | Iowa State Police Association | Undecided | GA87 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA87 |
| Craig Walter | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA87 |
| Brian Johnson | NECA - Iowa (NEC) | Undecided | GA87 |
| Craig Walter | NECA - Iowa (NEC) | Undecided | GA87 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA87 |
| Bill Wimmer | National Rent A Car | Undecided | GA87 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Opposing | GA87 |
| Christopher Rants | Plumbers and Steam Fitters Local 33 | Undecided | GA87 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Undecided | GA87 |
| Bill Wimmer | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| Steven Schoenebaum | Smithfield Foods, Inc. | Undecided | GA87 |