| 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 |
| 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 | City of Cedar Rapids | Undecided | GA87 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA87 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA87 |
| Brice Oakley | City of Coralville | Undecided | GA87 |
| Don Avenson | City of Coralville | Undecided | GA87 |
| Tom Cope | City of Coralville | Undecided | GA87 |
| Brice Oakley | City of West Des Moines | Undecided | GA87 |
| Don Avenson | City of West Des Moines | Undecided | GA87 |
| Tom Cope | City of West Des Moines | Undecided | GA87 |
| Marty Ryan | Fawkes-Lee & Ryan Inc. | Undecided | GA87 |
| Stephanie Fawkes-Lee | Fawkes-Lee & Ryan Inc. | Undecided | GA87 |
| Brice Oakley | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| David Palmer | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Don Avenson | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Laurie Wolf | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Tom Cope | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Mike Heller | Iowa Association of Magistrate Judges | Undecided | GA87 |
| Paula Feltner | Iowa Association of Magistrate Judges | Undecided | GA87 |
| Julie Smith | Iowa Association of Municipal Utilities | Opposing | GA87 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Opposing | 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 |
| Deborah Thompson | Iowa Dept. of Public Health | Undecided | GA87 |
| Cohl Bultje | Iowa Ethics and Campaign Disclosure Board | Undecided | GA87 |
| Megan Tooker | Iowa Ethics and Campaign Disclosure Board | Undecided | GA87 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA87 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | 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 |
| John Cacciatore | Iowa Professional Fire Fighters | Opposing | GA87 |
| Mike Heller | Iowa State Association of Assessors | Undecided | GA87 |
| Paula Feltner | Iowa State Association of Assessors | 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 |
| tom fey | Iowa State Building and Construction Trades Council | Opposing | GA87 |
| tom fey | Iowa State Building and Construction Trades Council | Withdrawn | GA87 |
| tom fey | Iowa State Building and Construction Trades Council | Supporting | GA87 |
| Brad Hudson | Iowa State Education Association | Opposing | GA87 |
| Melissa Peterson | Iowa State Education Association | 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 |
| Matt Eide | Missouri River Energy Services | Opposing | GA87 |
| Julie Smith | Nebraska Municipal Power Pool - NMPP Energy | Opposing | GA87 |
| Tom Krueger | Network of Iowa Christian Home Educators (NICHE) | Undecided | GA87 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA87 |
| Christopher Rants | State Police Officers Council | Opposing | GA87 |
| John Cacciatore | State Police Officers Council | Opposing | GA87 |
| Jim Romar | Teamsters Local 238 | Opposing | GA87 |
| Gary Grant | Urban County Coalition | Undecided | GA87 |
| Larry Murphy | Urban County Coalition | Undecided | GA87 |
| Meghan Malloy | Urban County Coalition | Undecided | GA87 |