| Brad Epperly | BNSF Railway Co. | Undecided | GA87 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA87 |
| Paige Thorson | BNSF Railway Co. | Undecided | GA87 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA87 |
| Stacey Pellett | Deere & Company | Supporting | GA87 |
| Stacey Pellett | Deere & Company | Undecided | GA87 |
| Vernon Schmidt | Farm Equipment Manufacturers Association | Supporting | GA87 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA87 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA87 |
| Jess Mazour | Iowa Citizens for Community Improvement Action Fund | Opposing | GA87 |
| Jeff Smith | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Jerry Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Jonathan DeReus | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Matt Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Mindy Poldberg | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Mikel Derby | Iowa Dept. of Transportation | Undecided | GA87 |
| Don Petersen | Iowa Farm Bureau Federation | Supporting | GA87 |
| Marty Schwager | Iowa Farm Bureau Federation | Supporting | GA87 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA87 |
| David Adelman | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA87 |
| Frank Chiodo | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA87 |
| Matt Hinch | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA87 |
| Sara Allen | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA87 |
| Will Rogers | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA87 |
| Kellie Paschke | Iowa Peace Officers Association | Undecided | GA87 |
| Troy Skinner | Iowa Peace Officers Association | Undecided | GA87 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA87 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA87 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA87 |
| Gary Grant | Urban County Coalition | Undecided | GA87 |
| Larry Murphy | Urban County Coalition | Undecided | GA87 |
| Meghan Malloy | Urban County Coalition | Undecided | GA87 |