| Jerry Fitzgerald | Agribusiness Association of Iowa | Undecided | GA85 |
| Maggie Smith-Fitzgerald | Agribusiness Association of Iowa | Undecided | GA85 |
| Marc Beltrame | Agribusiness Association of Iowa | Undecided | GA85 |
| Mark Joyce | Agribusiness Association of Iowa | Undecided | GA85 |
| Matt McKinney | Agribusiness Association of Iowa | Undecided | GA85 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA85 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA85 |
| Scott Sundstrom | BNSF Railway Co. | Undecided | GA85 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | GA85 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Undecided | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Undecided | GA85 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA85 |
| Lindsay Phillips | Iowa Cattlemen's Association | Undecided | GA85 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA85 |
| Jerry Fitzgerald | Iowa Corn Growers Association(ICG) | Undecided | GA85 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association(ICG) | Undecided | GA85 |
| Mark Joyce | Iowa Corn Growers Association(ICG) | Undecided | GA85 |
| Mindy Poldberg | Iowa Corn Growers Association(ICG) | Undecided | GA85 |
| Jennifer Harbison | Iowa Dept. of Human Services | Undecided | GA85 |
| Elizabeth Baird | Iowa Dept. of Transportation | Supporting | GA85 |
| Mikel Derby | Iowa Dept. of Transportation | Supporting | GA85 |
| Joe Kelly | Iowa Manufactured Housing Association | Undecided | GA85 |
| Jim Obradovich | Iowa Recycling Association | Undecided | GA85 |
| Jim Obradovich | Iowa Society of Solid Waste Operations (ISOSWO) | Undecided | GA85 |
| Robert Mulqueen | Iowa Society of Solid Waste Operations (ISOSWO) | Undecided | GA85 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA85 |
| Jim Obradovich | Iowa Wind Energy Association | Undecided | GA85 |
| James Piazza, Jr. | Laborers International Union of North America | Undecided | GA85 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA85 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA85 |
| Mona Bond | Manatts Inc. | Undecided | GA85 |
| Chad Kleppe | Master Builders of Iowa | Undecided | GA85 |
| Marc Beltrame | Master Builders of Iowa | Undecided | GA85 |
| Matt McKinney | Master Builders of Iowa | Undecided | GA85 |
| Scott Hedderich | Renewable Energy Group (REG) | Undecided | GA85 |
| John Pederson | UPS | Undecided | GA85 |
| Matt Eide | UPS | Undecided | GA85 |
| Gary Grant | Urban County Coalition | Undecided | GA85 |
| Larry Murphy | Urban County Coalition | Undecided | GA85 |
| Mike Heller | Waste Management, Inc. | Undecided | GA85 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA85 |