| Adam Gregg | Agribusiness Assn. of IA | Supporting | GA83 |
| Jerry Fitzgerald | Agribusiness Assn. of IA | Supporting | GA83 |
| Larry Murphy | Agribusiness Assn. of IA | Supporting | GA83 |
| Maggie Smith-Fitzgerald | Agribusiness Assn. of IA | Supporting | GA83 |
| Marc Beltrame | Agribusiness Assn. of IA | Supporting | GA83 |
| Mark Joyce | Agribusiness Assn. of IA | Supporting | GA83 |
| Mark Reisinger | Agribusiness Assn. of IA | Supporting | GA83 |
| Steven Schoenebaum | Agribusiness Assn. of IA | Supporting | GA83 |
| Brad Epperly | BNSF Railway Co. | Opposing | GA83 |
| James West | BNSF Railway Co. | Opposing | GA83 |
| Keith Luchtel | BNSF Railway Co. | Opposing | GA83 |
| Paula Dierenfeld | BNSF Railway Co. | Opposing | GA83 |
| Scott Sundstrom | BNSF Railway Co. | Opposing | GA83 |
| Brad Epperly | IA. Automobile Dealers Assn. | Undecided | GA83 |
| James West | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Jerry Fitzgerald | IA. Corn Growers Assn.(ICG) | Supporting | GA83 |
| Maggie Smith-Fitzgerald | IA. Corn Growers Assn.(ICG) | Supporting | GA83 |
| Mark Joyce | IA. Corn Growers Assn.(ICG) | Supporting | GA83 |
| Mindy Poldberg | IA. Corn Growers Assn.(ICG) | Supporting | GA83 |
| Lyle Brehm | IA. County Engineers Assn. | Supporting | GA83 |
| Elizabeth Baird | IA. Dept. of Transportation | Undecided | GA83 |
| Don Petersen | IA. Farm Bureau Federation | Supporting | GA83 |
| Joe Johnson | IA. Farm Bureau Federation | Supporting | GA83 |
| Mark Salvador | IA. Farm Bureau Federation | Supporting | GA83 |
| Brad Epperly | IA. Grocery Industry Assn. | Undecided | GA83 |
| James West | IA. Grocery Industry Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Grocery Industry Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Grocery Industry Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Grocery Industry Assn. | Undecided | GA83 |
| Drue Sander | IA. Institute for Cooperatives | Supporting | GA83 |
| Kayla Lyon | IA. Institute for Cooperatives | Supporting | GA83 |
| David Scott | IA. Motor Truck Assn. | Opposing | GA83 |
| Laverne Schroeder | IA. Nebraska Farm Equipment Dealers Assn. | Undecided | GA83 |
| Jeffrey Schnell | IA. Pork Producers Assn. (IPP) | Supporting | GA83 |
| Jerry Fitzgerald | IA. Pork Producers Assn. (IPP) | Supporting | GA83 |
| Maggie Smith-Fitzgerald | IA. Pork Producers Assn. (IPP) | Supporting | GA83 |
| Mark Joyce | IA. Pork Producers Assn. (IPP) | Supporting | GA83 |
| Brad Epperly | IA. Propane Gas Assn. | Undecided | GA83 |
| James West | IA. Propane Gas Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Propane Gas Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Propane Gas Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Propane Gas Assn. | Undecided | GA83 |
| Mike Heller | IA. Renewable Fuels Assn. (IRF) | Supporting | GA83 |
| Mike Heller | IA. Renewable Fuels Assn. (IRF) | Undecided | GA83 |
| Montgomery Shaw | IA. Renewable Fuels Assn. (IRF) | Supporting | GA83 |
| Paula Feltner | IA. Renewable Fuels Assn. (IRF) | Supporting | GA83 |
| Paula Feltner | IA. Renewable Fuels Assn. (IRF) | Undecided | GA83 |
| Jim Obradovich | IA. Shortline and Regional Railroad Assn. | Opposing | GA83 |
| Jill Altringer | IA. Soybean Assn. | Supporting | GA83 |
| Hanna DeGroot | IA. State Assn. of Counties | Supporting | GA83 |
| Linda Hinton | IA. State Assn. of Counties | Supporting | GA83 |
| MaryBeth Mellick | IA. State Assn. of Counties | Supporting | GA83 |
| Nathan Bonnett | IA. State Assn. of Counties | Supporting | GA83 |
| William Peterson | IA. State Assn. of Counties | Supporting | GA83 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Supporting | GA83 |
| Julie Smith | Metro Waste Authority | Supporting | GA83 |
| Larry Pope | Metro Waste Authority | Supporting | GA83 |
| Ned Chiodo | Metro Waste Authority | Supporting | GA83 |
| David Tierney | Monsanto Company | Supporting | GA83 |
| Michael Naig | Monsanto Company | Supporting | GA83 |
| Gary Dunham | Teamsters Local 238 | Opposing | GA83 |
| John Pederson | Tyson Foods, Inc. | Undecided | GA83 |
| Matt Eide | Tyson Foods, Inc. | Undecided | GA83 |
| Ted Stopulos | Tyson Foods, Inc. | Undecided | GA83 |
| Cal Hultman | Union Pacific Railroad | Opposing | GA83 |
| Michael Triplett | Union Pacific Railroad | Opposing | GA83 |
| Steve Falck | West Central Cooperative | Supporting | GA83 |