| Doug Struyk | Anheuser Busch | Undecided | GA87 |
| Jennifer Dorman | Anheuser Busch | Undecided | GA87 |
| Jim Carney | Anheuser Busch | Undecided | GA87 |
| Doug Struyk | Intoximeters, Inc. | Supporting | GA87 |
| Doug Struyk | Intoximeters, Inc. | Undecided | GA87 |
| Jennifer Dorman | Intoximeters, Inc. | Supporting | GA87 |
| Jennifer Dorman | Intoximeters, Inc. | Undecided | GA87 |
| Jim Carney | Intoximeters, Inc. | Supporting | GA87 |
| Jim Carney | Intoximeters, Inc. | Undecided | GA87 |
| Brad Lint | Iowa Association for Justice | Supporting | GA87 |
| Lisa Davis-Cook | Iowa Association for Justice | Supporting | GA87 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA87 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA87 |
| Amber Markham | Iowa Dept. of Public Safety | Undecided | GA87 |
| Susan Fenton | Iowa Dept. of Transportation | Undecided | GA87 |
| Kellie Paschke | Iowa Peace Officers Association | Supporting | GA87 |
| Troy Skinner | Iowa Peace Officers Association | Supporting | GA87 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Supporting | 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| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Withdrawn | GA87 |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) | Supporting | 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| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Withdrawn | GA87 |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 |
| 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 | Undecided | GA87 |
| Paula Feltner | Iowa State Police Association | Undecided | GA87 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Supporting | GA87 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Undecided | GA87 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Supporting | GA87 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | 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 |
| Frank Harris | Mothers Against Drunk Driving | Supporting | GA87 |
| David Adelman | State Farm Insurance | Undecided | GA87 |
| Frank Chiodo | State Farm Insurance | Undecided | GA87 |
| Matt Hinch | State Farm Insurance | Undecided | GA87 |
| Sara Allen | State Farm Insurance | Undecided | GA87 |