| Robert Weiser | Annett Holdings | Undecided | GA86 |
| Sarah Reckling | Annett Holdings | Undecided | GA86 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA86 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA86 |
| Scott Sundstrom | BNSF Railway Co. | Undecided | GA86 |
| John Pederson | CN | Undecided | GA86 |
| Laura Book | CN | Undecided | GA86 |
| Matt Eide | CN | Undecided | GA86 |
| Robert Weiser | CRST International | Undecided | GA86 |
| Sarah Reckling | CRST International | Undecided | GA86 |
| Larry Blixt | Capital City Power Sports, Inc | Supporting | GA86 |
| Angela Davis | Des Moines Area Regional Transit | Undecided | GA86 |
| Bill Wimmer | Des Moines Area Regional Transit | Undecided | GA86 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Supporting | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Rachel Geilenfeld | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Zach Dalluge | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Undecided | GA86 |
| Mikel Derby | Iowa Dept. of Transportation | Supporting | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA86 |
| James Piazza, Jr. | Iowa Independent Automobile Dealers Association | Undecided | GA86 |
| Jim Obradovich | Iowa Public Airports Association | Undecided | GA86 |
| Jim Obradovich | Iowa Shortline and Regional Railroad Association | Undecided | GA86 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA86 |
| William Peterson | Iowa State Association of Counties | Undecided | GA86 |
| Jessica Hyland | Recreation Vehicle Industry Association | Undecided | GA86 |
| John Pederson | UPS | Undecided | GA86 |
| Laura Book | UPS | Undecided | GA86 |
| Matt Eide | UPS | Undecided | GA86 |