| Lance Kinzer | 1st Amendment Partnership | Supporting | GA90 |
| Jessica Flint | ADF Action | Supporting | GA90 |
| Melissa Speed | AFSCME Iowa Council 61 | Opposing | GA90 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Opposing | GA90 |
| Doug Struyk | City of Iowa City | Opposing | GA90 |
| Jennifer Dorman | City of Iowa City | Opposing | GA90 |
| Jim Carney | City of Iowa City | Opposing | GA90 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA90 |
| Carl Olsen | Ethiopian Zion Coptic Church | Supporting | GA90 |
| Angela Caulk | Family Planning Council of Iowa | Opposing | GA90 |
| Christian Frankl | Family Planning Council of Iowa | Opposing | GA90 |
| Noah Tabor | Family Planning Council of Iowa | Opposing | GA90 |
| Samantha Fett | Inspired Life | Supporting | GA90 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA90 |
| Jason Benell | Iowa Atheists and Freethinkers | Opposing | GA90 |
| Robert Cook | Iowa Atheists and Freethinkers | Opposing | GA90 |
| Brad Cranston | Iowa Baptists For Biblical Values | Supporting | GA90 |
| Carolann Jensen | Iowa Board of Regents | Undecided | GA90 |
| Jennifer Harbison | Iowa Board of Regents | Undecided | GA90 |
| Jillian Carlson | Iowa Board of Regents | Undecided | GA90 |
| Keith Saunders | Iowa Board of Regents | Undecided | GA90 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA90 |
| Tom Chapman | Iowa Catholic Conference | Supporting | GA90 |
| Brad Epperly | Iowa Chamber Alliance | Opposing | GA90 |
| Casey Nickel | Iowa Chamber Alliance | Opposing | GA90 |
| Dustin Miller | Iowa Chamber Alliance | Opposing | GA90 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA90 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA90 |
| Tom Ferguson | Iowa County Attorneys Association | Undecided | GA90 |
| Jeff Pitts | Iowa Faith and Freedom Coalition | Supporting | GA90 |
| Becky Tayler | Iowa Safe Schools | Opposing | GA90 |
| Damian Thompson | Iowa Safe Schools | Opposing | GA90 |
| Carl Olsen | Iowans for Medical Marijuana | Supporting | GA90 |
| Joel Huston | Krause Group, LTD | Opposing | GA90 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA90 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA90 |
| John Hall | Marshalltown Area Chamber of Commerce | Opposing | GA90 |
| Sydney Gangestad | Mindspring Mental Health Alliance | Opposing | GA90 |
| Tim Coonan | Mindspring Mental Health Alliance | Opposing | GA90 |
| Courtney Reyes | One Iowa | Opposing | GA90 |
| Keenan Crow | One Iowa | Opposing | GA90 |
| Courtney Reyes | One Iowa Action | Opposing | GA90 |
| Keenan Crow | One Iowa Action | Opposing | GA90 |
| Mazie Stilwell | Planned Parenthood Advocates of Iowa | Opposing | GA90 |
| Sydney Gangestad | Principal Financial Group | Opposing | GA90 |
| Tim Coonan | Principal Financial Group | Opposing | GA90 |
| Sydney Gangestad | Technology Association of Iowa | Opposing | GA90 |
| Tim Coonan | Technology Association of Iowa | Opposing | GA90 |
| Chuck Hurley | The Family Leader | Supporting | GA90 |
| Danny Carroll | The Family Leader | Supporting | GA90 |
| Josiah Oleson | The Family Leader | Supporting | GA90 |
| Ryan Benn | The Family Leader | Supporting | GA90 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA90 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA90 |
| Denise Bubeck | The Family Leader Foundation | Supporting | GA90 |
| Greg Baker | The Family Leader Foundation | Supporting | GA90 |
| Josiah Oleson | The Family Leader Foundation | Supporting | GA90 |
| Noah Meyers | The Family Leader Foundation | Supporting | GA90 |
| Ryan Benn | The Family Leader Foundation | Supporting | GA90 |