| Robert Weiser | 3M Company | Undecided | GA86 |
| Sarah Reckling | 3M Company | Undecided | GA86 |
| Erica Johnson | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA86 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA86 |
| Doug Struyk | Anheuser Busch | Supporting | GA86 |
| George Appleby | Anheuser Busch | Supporting | GA86 |
| Jennifer Tyler | Anheuser Busch | Supporting | GA86 |
| Jim Carney | Anheuser Busch | Supporting | GA86 |
| Katherine Carlucci | City of Iowa City | Withdrawn | GA86 |
| Katherine Carlucci | City of Iowa City | Supporting | GA86 |
| Mike Heller | Coalition for Family and Children's Services in Iowa | Undecided | GA86 |
| Paula Feltner | Coalition for Family and Children's Services in Iowa | Undecided | GA86 |
| Brad Fralick | Coalition of Ignition Interlock Manufacturers | Opposing | GA86 |
| Dennis Henderson | Fawkes-Lee & Ryan Inc. | Undecided | GA86 |
| Marty Ryan | Fawkes-Lee & Ryan Inc. | Undecided | GA86 |
| Stephanie Fawkes-Lee | Fawkes-Lee & Ryan Inc. | Undecided | GA86 |
| Dale Woolery | Governors Office of Drug Control Policy | Undecided | GA86 |
| Steven Lukan | Governors Office of Drug Control Policy | Undecided | GA86 |
| Charlotte Eby | Intoximeters, Inc. | Supporting | GA86 |
| Jeffrey Boeyink | Intoximeters, Inc. | Supporting | GA86 |
| Angela Davis | Iowa Association for Justice | Opposing | GA86 |
| Bill Wimmer | Iowa Association for Justice | Opposing | GA86 |
| Brad Lint | Iowa Association for Justice | Opposing | GA86 |
| Lisa Davis-Cook | Iowa Association for Justice | Opposing | GA86 |
| Eric Tabor | Iowa Attorney General Dept. of Justice | Supporting | GA86 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA86 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA86 |
| Kelly Meyers | Iowa County Attorneys Association | Supporting | GA86 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA86 |
| Susan Cameron Daemen | Iowa County Attorneys Association | Supporting | GA86 |
| Susan Cameron Daemen | Iowa County Attorneys Association | Undecided | GA86 |
| Fred Scaletta | Iowa Dept. of Corrections | Undecided | GA86 |
| Deborah Thompson | Iowa Dept. of Public Health | Undecided | GA86 |
| Amber Markham | Iowa Dept. of Public Safety | Undecided | GA86 |
| Kate Strickler | Iowa Medical Society | Undecided | GA86 |
| Megan Bendixen | Iowa Medical Society | Undecided | GA86 |
| Sandra Conlin | Iowa Medical Society | Undecided | GA86 |
| Mike Heller | Iowa State Police Association | Undecided | GA86 |
| Paula Feltner | Iowa State Police Association | Undecided | GA86 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Undecided | GA86 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA86 |
| Dennis Henderson | Justice Reform Consortium | Undecided | GA86 |
| Marty Ryan | Justice Reform Consortium | Undecided | GA86 |
| Stephanie Fawkes-Lee | Justice Reform Consortium | Undecided | GA86 |
| Kellie Paschke | Pfizer Inc. c/o Politicom Law LLP | Undecided | GA86 |
| Troy Skinner | Pfizer Inc. c/o Politicom Law LLP | Undecided | GA86 |