| MARK MAXWELL | ABATE of Iowa | Supporting | GA87 |
| Brad Epperly | AIG-American International Companies | Undecided | GA87 |
| Dustin Miller | AIG-American International Companies | Undecided | GA87 |
| Paula Dierenfeld | AIG-American International Companies | Undecided | GA87 |
| Bill Wimmer | Alamo Rent A Car | Withdrawn | GA87 |
| Bill Wimmer | Alamo Rent A Car | Undecided | GA87 |
| Daniel Zeno | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA87 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA87 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA87 |
| Brad Epperly | American Insurance Association | Undecided | GA87 |
| Dustin Miller | American Insurance Association | Undecided | GA87 |
| Paula Dierenfeld | American Insurance Association | Undecided | GA87 |
| Kate Walton | City of Cedar Falls | Undecided | GA87 |
| Matt Eide | City of Cedar Falls | Undecided | GA87 |
| Gary Grant | City of Cedar Rapids | Opposing | GA87 |
| Gary Grant | City of Cedar Rapids | Withdrawn | GA87 |
| Gary Grant | City of Cedar Rapids | Undecided | GA87 |
| Larry Murphy | City of Cedar Rapids | Opposing | GA87 |
| Larry Murphy | City of Cedar Rapids | Withdrawn | GA87 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA87 |
| Meghan Malloy | City of Cedar Rapids | Opposing | GA87 |
| Meghan Malloy | City of Cedar Rapids | Withdrawn | GA87 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA87 |
| Doug Struyk | City of Des Moines | Opposing | GA87 |
| Doug Struyk | City of Des Moines | Undecided | GA87 |
| Jen Schulte | City of Des Moines | Opposing | GA87 |
| Jennifer Dorman | City of Des Moines | Opposing | GA87 |
| Jennifer Dorman | City of Des Moines | Undecided | GA87 |
| Jim Carney | City of Des Moines | Opposing | GA87 |
| Jim Carney | City of Des Moines | Undecided | GA87 |
| Julie Smith | City of West Des Moines | Undecided | GA87 |
| Tim Coonan | City of West Des Moines | Undecided | GA87 |
| Bill Wimmer | Enterprise Rent-A-Car | Withdrawn | GA87 |
| Bill Wimmer | Enterprise Rent-A-Car | Undecided | GA87 |
| Marty Ryan | Fawkes-Lee & Ryan Inc. | Supporting | GA87 |
| Stephanie Fawkes-Lee | Fawkes-Lee & Ryan Inc. | Supporting | GA87 |
| Mike St. Clair | GATSO USA | Opposing | GA87 |
| tom fey | GATSO USA | Opposing | GA87 |
| Dane Schumann | Grow Clinton County | Undecided | GA87 |
| Emily Hockins | Grow Clinton County | Undecided | GA87 |
| Threase Harms | Grow Clinton County | Undecided | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Withdrawn | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA87 |
| Brad Lint | Iowa Association for Justice | Supporting | GA87 |
| Lisa Davis-Cook | Iowa Association for Justice | Supporting | GA87 |
| Bill Wimmer | Iowa Beverage Association | Withdrawn | GA87 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA87 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA87 |
| Susan Cameron Daemen | Iowa County Attorneys Association | Undecided | GA87 |
| Susan Fenton | Iowa Dept. of Transportation | Undecided | GA87 |
| Alan Kemp | Iowa League of Cities | Opposing | GA87 |
| Lindsey McCune | Iowa League of Cities | Opposing | GA87 |
| Robert Palmer | Iowa League of Cities | Opposing | GA87 |
| Bill Wimmer | Iowa Lumber Association | Withdrawn | GA87 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA87 |
| Robert Ussery | Iowa Minuteman Civil Defense Corps | Supporting | GA87 |
| Kellie Paschke | Iowa Peace Officers Association | Undecided | GA87 |
| Troy Skinner | Iowa Peace Officers Association | Undecided | GA87 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Opposing | GA87 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Withdrawn | GA87 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA87 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Opposing | GA87 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Withdrawn | GA87 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | 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 | Opposing | GA87 |
| Mike Heller | Iowa State Police Association | Undecided | GA87 |
| Paula Feltner | Iowa State Police Association | Opposing | GA87 |
| Paula Feltner | Iowa State Police Association | Undecided | GA87 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Undecided | GA87 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA87 |
| David Adelman | Metropolitan Coalition | Opposing | GA87 |
| Frank Chiodo | Metropolitan Coalition | Opposing | GA87 |
| Matt Hinch | Metropolitan Coalition | Opposing | GA87 |
| Sara Allen | Metropolitan Coalition | Opposing | GA87 |
| Bill Wimmer | National Rent A Car | Withdrawn | GA87 |
| Bill Wimmer | National Rent A Car | Undecided | GA87 |
| Brian Johnson | Polk County - Board of Supervisors | Withdrawn | GA87 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA87 |
| Mike Rozenboom | Redflex Traffic Systems, Inc. | Opposing | GA87 |
| Robert Weiser | Redflex Traffic Systems, Inc. | Opposing | GA87 |
| David Adelman | Verra Mobility | Opposing | GA87 |
| Frank Chiodo | Verra Mobility | Opposing | GA87 |
| Matt Hinch | Verra Mobility | Opposing | GA87 |
| Sara Allen | Verra Mobility | Opposing | GA87 |