| Cal Hultman | Alliance of Automobile Manufacturers | Supporting | GA83 |
| Mary Hultman | Alliance of Automobile Manufacturers | Supporting | GA83 |
| Michael Triplett | Alliance of Automobile Manufacturers | Supporting | GA83 |
| Marc Beltrame | Allied Insurance | Undecided | GA83 |
| John Pederson | CN | Undecided | GA83 |
| Matt Eide | CN | Undecided | GA83 |
| Jennifer Harbison | IA. Academy of Family Physicians | Supporting | GA83 |
| Brad Epperly | IA. Automobile Dealers Assn. | Undecided | GA83 |
| James West | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Joe Kelly | IA. County Attorneys Assn. | Supporting | GA83 |
| Susan Cameron Daemen | IA. County Attorneys Assn. | Supporting | GA83 |
| Ross Loder | IA. Dept. of Public Safety | Supporting | GA83 |
| Elizabeth Baird | IA. Dept. of Transportation | Supporting | GA83 |
| Threase Harms | IA. Emergency Management Assn. | Undecided | GA83 |
| Cal Hultman | IA. Emergency Medical Services Assn. | Supporting | GA83 |
| Mary Hultman | IA. Emergency Medical Services Assn. | Supporting | GA83 |
| Michael Triplett | IA. Emergency Medical Services Assn. | Supporting | GA83 |
| Amy Campbell | IA. Firefighters Assn. (IFA) | Undecided | GA83 |
| Craig Patterson | IA. Firefighters Assn. (IFA) | Undecided | GA83 |
| David Adelman | IA. Medical Society | Supporting | GA83 |
| Eric Nemmers | IA. Medical Society | Supporting | GA83 |
| Karla Fultz McHenry | IA. Medical Society | Supporting | GA83 |
| Betty Lord-Dinan | IA. Nurses Assn. | Undecided | GA83 |
| Linda Goeldner | IA. Nurses Assn. | Undecided | GA83 |
| Mike Heller | IA. State Police Assn. | Undecided | GA83 |
| Paula Feltner | IA. State Police Assn. | Undecided | GA83 |
| Amy Campbell | IA. State Reserve Law Officers Assn. | Undecided | GA83 |
| Craig Patterson | IA. State Reserve Law Officers Assn. | Undecided | GA83 |
| Susan Cameron Daemen | IA. State Sheriffs' & Deputies' Assn. | Supporting | GA83 |
| Marc Beltrame | Nationwide Agribusiness | Undecided | GA83 |
| Marc Beltrame | Nationwide Mutual Ins. Co. | Undecided | GA83 |
| William Gustoff | Personal Interests | Opposing | GA83 |
| Mike St. Clair | Property Casualty Insurers Assn. of America (PCI) | Supporting | GA83 |
| Dr. Norman | School Administrators of IA | Undecided | GA83 |
| Craig Walter | State Farm Insurance | Supporting | GA83 |