| Brian Guillaume | AFSCME Iowa Council 61 | Undecided | GA85 |
| Marcia Nichols | AFSCME Iowa Council 61 | Undecided | GA85 |
| Morgan Miller | AFSCME Iowa Council 61 | Undecided | GA85 |
| Nicole Woodroffe | Annett Holdings | Undecided | GA85 |
| Robert Weiser | Annett Holdings | Undecided | GA85 |
| Scott Newhard | Associated General Contractors of Iowa | Supporting | GA85 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA85 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA85 |
| Scott Sundstrom | BNSF Railway Co. | Undecided | GA85 |
| Nicole Woodroffe | CRST International | Undecided | GA85 |
| Robert Weiser | CRST International | Undecided | GA85 |
| Jim Obradovich | County Zoning Officials Organiztion | Undecided | GA85 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Supporting | GA85 |
| Brad Epperly | Iowa Automobile Dealers Association | Supporting | GA85 |
| Bruce Anderson | Iowa Automobile Dealers Association | Supporting | GA85 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Supporting | GA85 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Supporting | GA85 |
| James Piazza, Jr. | Iowa Automobile Recyclers Association | Supporting | GA85 |
| Mikel Derby | Iowa Dept. of Transportation | Supporting | GA85 |
| David Adelman | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA85 |
| Jim Obradovich | Iowa Public Airports Association | Supporting | GA85 |
| Jim Obradovich | Iowa Recycling Association | Undecided | GA85 |
| Jim Obradovich | Iowa Society of Solid Waste Operations (ISOSWO) | Undecided | GA85 |
| Hanna DeGroot | Iowa State Association of Counties | Undecided | GA85 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA85 |
| Kristi Harshbarger | 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 |