| Daniel Zeno | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA88 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA88 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA88 |
| Drew Kamp | Ames Chamber of Commerce | Opposing | GA88 |
| BRITTANY LUMLEY | Apple Inc. | Opposing | GA88 |
| Jeffrey Boeyink | Apple Inc. | Opposing | GA88 |
| Taylor McDonald | Apple Inc. | Opposing | GA88 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA88 |
| Kristin Bauer | Board of Regents, State of Iowa | Undecided | GA88 |
| Mark Braun | Board of Regents, State of Iowa | Undecided | GA88 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA88 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Opposing | GA88 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA88 |
| Brad Epperly | Federation of Iowa Insurers | Opposing | GA88 |
| Dustin Miller | Federation of Iowa Insurers | Opposing | GA88 |
| Katie Graham | Federation of Iowa Insurers | Opposing | GA88 |
| Paula Dierenfeld | Federation of Iowa Insurers | Opposing | GA88 |
| John Cacciatore | Google LLC and its Affiliates | Opposing | GA88 |
| Lon Anderson | Google LLC and its Affiliates | Opposing | GA88 |
| Andrea Woodard | Greater Des Moines Partnership | Opposing | GA88 |
| Brad Epperly | Greater Des Moines Partnership | Opposing | GA88 |
| Dustin Miller | Greater Des Moines Partnership | Opposing | GA88 |
| Joe Murphy | Greater Des Moines Partnership | Opposing | GA88 |
| Katie Graham | Greater Des Moines Partnership | Opposing | GA88 |
| Paula Dierenfeld | Greater Des Moines Partnership | Opposing | GA88 |
| Joe Bailey | Homeschool Iowa | Undecided | GA88 |
| Lindsey Clark | Human Rights Campaign | Withdrawn | GA88 |
| Lindsey Clark | Human Rights Campaign | Opposing | GA88 |
| Sandra Conlin | Human Rights Campaign | Opposing | GA88 |
| Sarah Warbelow | Human Rights Campaign | Withdrawn | GA88 |
| Sarah Warbelow | Human Rights Campaign | Opposing | GA88 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA88 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA88 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA88 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Undecided | GA88 |
| Brad Lint | Iowa Association for Justice | Undecided | GA88 |
| Lisa Davis-Cook | Iowa Association for Justice | Undecided | GA88 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Opposing | GA88 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Opposing | GA88 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Opposing | GA88 |
| Georgia Van Gundy | Iowa Business Council | Opposing | GA88 |
| Joan Thompson | Iowa Catholic Conference | Supporting | GA88 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA88 |
| Meghan Malloy | Iowa Catholic Conference | Supporting | GA88 |
| Tom Chapman | Iowa Catholic Conference | Supporting | GA88 |
| Brad Epperly | Iowa Chamber Alliance | Opposing | GA88 |
| Dustin Miller | Iowa Chamber Alliance | Opposing | GA88 |
| John Stineman | Iowa Chamber Alliance | Opposing | GA88 |
| Katie Graham | Iowa Chamber Alliance | Opposing | GA88 |
| Paula Dierenfeld | Iowa Chamber Alliance | Opposing | GA88 |
| Jennifer Banta | Iowa City Area Chamber of Commerce | Opposing | GA88 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA88 |
| Amy Campbell | Iowa Coalition Against Sexual Assault | Opposing | GA88 |
| Craig Patterson | Iowa Coalition Against Sexual Assault | Opposing | GA88 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA88 |
| Brian Johnson | Iowa Lodging Association | Opposing | GA88 |
| Craig Walter | Iowa Lodging Association | Opposing | GA88 |
| Caitlyn Dixson | Iowa Right to Life Committee | Supporting | GA88 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Bradley Hudson | Iowa State Education Association | Opposing | GA88 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA88 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA88 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA88 |
| Doug Struyk | Meredith Corporation | Opposing | GA88 |
| Jennifer Dorman | Meredith Corporation | Opposing | GA88 |
| Jim Carney | Meredith Corporation | Opposing | GA88 |
| Jon Murphy | Microsoft Corp. | Opposing | GA88 |
| Tom Cope | Microsoft Corp. | Opposing | GA88 |
| Amy Campbell | Okoboji Tourism | Opposing | GA88 |
| Craig Patterson | Okoboji Tourism | Opposing | GA88 |
| Abigail Nelson | One Iowa Action | Opposing | GA88 |
| Keenan Crow | One Iowa Action | Opposing | GA88 |
| Sydney Gangestad | Principal Financial Group | Opposing | GA88 |
| Tim Coonan | Principal Financial Group | Opposing | GA88 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Opposing | GA88 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Opposing | GA88 |
| Angie Long | The Family Leader | Supporting | GA88 |
| Chuck Hurley | The Family Leader | Supporting | GA88 |
| Daniel Sunne | The Family Leader | Supporting | GA88 |
| Danny Carroll | The Family Leader | Supporting | GA88 |
| Angie Long | The Family Leader Foundation | Supporting | GA88 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA88 |
| Daniel Sunne | The Family Leader Foundation | Supporting | GA88 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA88 |
| John Hale | The Hale Group | Opposing | GA88 |
| Terri Hale | The Hale Group | Opposing | GA88 |
| Amy Campbell | Travel Federation of Iowa | Opposing | GA88 |
| Craig Patterson | Travel Federation of Iowa | Opposing | GA88 |
| Frank Stork | Wellmark, Inc. | Opposing | GA88 |
| Scott Sundstrom | Wellmark, Inc. | Opposing | GA88 |