| Brad Epperly | BNSF Railway Co. | Opposing | GA87 |
| Dustin Miller | BNSF Railway Co. | Opposing | GA87 |
| Katie Graham | BNSF Railway Co. | Opposing | GA87 |
| Paula Dierenfeld | BNSF Railway Co. | Opposing | GA87 |
| Kate Walton | CN Rail | Opposing | GA87 |
| Kate Walton | CN Rail | Undecided | GA87 |
| Matt Eide | CN Rail | Opposing | GA87 |
| Matt Eide | CN Rail | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Lyle Brehm | Iowa County Engineers Association | Opposing | GA87 |
| Susan Fenton | Iowa Dept. of Transportation | Undecided | GA87 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA87 |
| Jim Obradovich | Iowa Shortline and Regional Railroad Association | Opposing | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Opposing | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA87 |
| William Peterson | Iowa State Association of Counties | Opposing | GA87 |
| William Peterson | Iowa State Association of Counties | Undecided | GA87 |
| Jamie Cashman | Iowa State Association of County Supervisors | Opposing | GA87 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Opposing | GA87 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of County Supervisors | Opposing | GA87 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA87 |
| William Peterson | Iowa State Association of County Supervisors | Opposing | GA87 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA87 |
| Bob Rafferty | Truckstops of Iowa | Undecided | GA87 |
| Michael Triplett | Union Pacific Railroad | Opposing | GA87 |