| David Scott | American Council of Engineering Companies | Supporting | GA85 |
| Daniel Weiser | Annett Holdings | Undecided | GA85 |
| Robert Weiser | Annett Holdings | Undecided | GA85 |
| Frank Chiodo | Associated General Contractors of Iowa | Supporting | GA85 |
| Scott Newhard | Associated General Contractors of Iowa | Supporting | GA85 |
| Daniel Weiser | CRST International | Undecided | GA85 |
| Robert Weiser | CRST International | Undecided | GA85 |
| Marty Ryan | Fawkes-Lee & Ryan Inc. | Undecided | GA85 |
| Stephanie Fawkes-Lee | Fawkes-Lee & Ryan Inc. | Undecided | GA85 |
| Brad Lint | Iowa Association for Justice | Undecided | GA85 |
| Lisa Davis-Cook | Iowa Association for Justice | 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 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Broadcasters Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Broadcasters Association | Undecided | GA85 |
| Amber Markham | Iowa Dept. of Public Safety | Undecided | GA85 |
| Mikel Derby | Iowa Dept. of Transportation | Supporting | GA85 |
| Jim Obradovich | Iowa Environmental Council | Undecided | GA85 |
| David Scott | Iowa Good Roads Association | Supporting | GA85 |
| Jessica Hyland | Iowa Insurance Institute | Supporting | GA85 |
| Katherine Carlucci | Iowa Insurance Institute | Supporting | GA85 |
| Thomas Stanberry | Iowa Insurance Institute | Supporting | GA85 |
| Ashley Engelbrecht | Iowa Medical Society | Undecided | GA85 |
| Bob Rafferty | Iowa Medical Society | Undecided | GA85 |
| Kate Walton | Iowa Medical Society | Undecided | GA85 |
| David Scott | Iowa Motor Truck Association | Supporting | GA85 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Newspaper Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Newspaper Association | Undecided | GA85 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA85 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA85 |
| Hanna DeGroot | Iowa State Association of Counties | Undecided | GA85 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA85 |
| Linda Hinton | Iowa State Association of Counties | Undecided | GA85 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA85 |
| William Peterson | Iowa State Association of Counties | Undecided | GA85 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA85 |
| Craig Walter | State Farm Insurance | Supporting | GA85 |