| Daniel Weiser | 3M Traffic, Safety, Security | Undecided | GA85 |
| Robert Weiser | 3M Traffic, Safety, Security | Undecided | GA85 |
| Gary Grant | City of Cedar Rapids | Opposing | GA85 |
| Larry Murphy | City of Cedar Rapids | Opposing | GA85 |
| Jerry Fitzgerald | City of Des Moines | Undecided | GA85 |
| Maggie Smith-Fitzgerald | City of Des Moines | Undecided | GA85 |
| Mark Joyce | City of Des Moines | Undecided | GA85 |
| Katherine Carlucci | City of Iowa City | Opposing | GA85 |
| Thomas Stanberry | City of Iowa City | Opposing | GA85 |
| Mike St. Clair | GATSO USA | Undecided | GA85 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Opposing | GA85 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Undecided | GA85 |
| Amber Markham | Iowa Dept. of Public Safety | Undecided | GA85 |
| Elizabeth Baird | Iowa Dept. of Transportation | Undecided | GA85 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Grocery Industry Association | Undecided | GA85 |
| Jessica Hyland | Iowa Insurance Institute | Opposing | GA85 |
| Katherine Carlucci | Iowa Insurance Institute | Opposing | GA85 |
| Stephen Morain | Iowa Insurance Institute | Opposing | GA85 |
| Thomas Stanberry | Iowa Insurance Institute | Opposing | GA85 |
| Dustin Miller | Iowa League of Cities | Opposing | GA85 |
| Jessica Hyland | Iowa League of Cities | Opposing | GA85 |
| Julie Smith | Iowa League of Cities | Opposing | GA85 |
| Laverne Schroeder | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA85 |
| Will Rogers | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA85 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA85 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA85 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA85 |
| Mike Heller | Iowa State Police Association | Opposing | GA85 |
| Mike Heller | Iowa State Police Association | Undecided | GA85 |
| Paula Feltner | Iowa State Police Association | Opposing | GA85 |
| Paula Feltner | Iowa State Police Association | Undecided | GA85 |
| Joe Kelly | Iowa State Sheriffs' & Deputies' Association | Undecided | GA85 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA85 |
| David Adelman | Metropolitan Coalition | Opposing | GA85 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA85 |
| Jamie Cashman | Polk County - Board of Supervisors | Undecided | GA85 |
| Marc Beltrame | Redflex Traffic Systems, Inc. | Undecided | GA85 |
| Matt McKinney | Redflex Traffic Systems, Inc. | Undecided | GA85 |