| Brad Epperly | BNSF Railway Co. | Undecided | GA88 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA88 |
| Katie Graham | BNSF Railway Co. | Undecided | GA88 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA88 |
| Jim Obradovich | Boone and Scenic Valley Railroad | Supporting | GA88 |
| Pete McRoberts | Boone and Scenic Valley Railroad | Supporting | GA88 |
| Robert Mulqueen | Boone and Scenic Valley Railroad | Supporting | GA88 |
| Jim Obradovich | Burlington Junction Railway | Supporting | GA88 |
| Pete McRoberts | Burlington Junction Railway | Supporting | GA88 |
| Robert Mulqueen | Burlington Junction Railway | Supporting | GA88 |
| Kate Walton | CN Rail | Supporting | GA88 |
| Kate Walton | CN Rail | Undecided | GA88 |
| Matt Eide | CN Rail | Supporting | GA88 |
| Matt Eide | CN Rail | Undecided | GA88 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Drew Wynes | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Jim Obradovich | Iowa Interstate Railroad | Supporting | GA88 |
| Pete McRoberts | Iowa Interstate Railroad | Supporting | GA88 |
| Robert Mulqueen | Iowa Interstate Railroad | Supporting | GA88 |
| Courtney Craig | Iowa Northern Railway Company | Undecided | GA88 |
| Robert Weiser | Iowa Northern Railway Company | Undecided | GA88 |
| Jim Obradovich | Iowa Shortline and Regional Railroad Association | Supporting | GA88 |
| Jim Obradovich | Keokuk Junction Railway c/o Pioneer Railcorp | Supporting | GA88 |
| Pete McRoberts | Keokuk Junction Railway c/o Pioneer Railcorp | Supporting | GA88 |
| Robert Mulqueen | Keokuk Junction Railway c/o Pioneer Railcorp | Supporting | GA88 |
| Jim Obradovich | Progressive Rail Iowa (Iowa Traction RR and Iowa Southern RR) | Supporting | GA88 |
| Pete McRoberts | Progressive Rail Iowa (Iowa Traction RR and Iowa Southern RR) | Supporting | GA88 |
| Robert Mulqueen | Progressive Rail Iowa (Iowa Traction RR and Iowa Southern RR) | Supporting | GA88 |
| Chris Smith | SMART-Transportation Division | Supporting | GA88 |
| Jonathan Todhunter | SMART-Transportation Division | Supporting | GA88 |
| Michael Triplett | Union Pacific Railroad | Supporting | GA88 |