| Terry Harrmann | Alliant Energy Corporation | Supporting | GA84 |
| Brad Epperly | Deere & Company | Undecided | GA84 |
| Jason Francque | Deere & Company | Undecided | GA84 |
| Keith Luchtel | Deere & Company | Undecided | GA84 |
| Paula Dierenfeld | Deere & Company | Undecided | GA84 |
| Scott Sundstrom | Deere & Company | Undecided | GA84 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA84 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Supporting | GA84 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Supporting | GA84 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Supporting | GA84 |
| Brad Epperly | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Bruce Berven | IA. Cattlemen's Assn. | Undecided | GA84 |
| Adam Mason | IA. Citizens for Community Improvement Action Fund | Opposing | GA84 |
| Jerry Fitzgerald | IA. Corn Growers Assn.(ICG) | Undecided | GA84 |
| Maggie Smith-Fitzgerald | IA. Corn Growers Assn.(ICG) | Undecided | GA84 |
| Mark Joyce | IA. Corn Growers Assn.(ICG) | Undecided | GA84 |
| Mindy Poldberg | IA. Corn Growers Assn.(ICG) | Undecided | GA84 |
| Sharon Tahtinen | IA. Dept. of Natural Resources | Undecided | GA84 |
| Jim Obradovich | IA. Environmental Council | Opposing | GA84 |
| Don Petersen | IA. Farm Bureau Federation | Supporting | GA84 |
| Joe Johnson | IA. Farm Bureau Federation | Supporting | GA84 |
| Marty Schwager | IA. Farm Bureau Federation | Supporting | GA84 |
| Matthew Steinfeldt | IA. Farm Bureau Federation | Supporting | GA84 |
| Jen Schulte | IA. Farmers Union | Undecided | GA84 |
| Kent Hartwig | IA. Farmers Union | Undecided | GA84 |
| Kyle Frette | IA. Farmers Union | Undecided | GA84 |
| Threase Harms | IA. Farmers Union | Undecided | GA84 |
| Brad Epperly | IA. Geothermal Assn. | Undecided | GA84 |
| Keith Luchtel | IA. Geothermal Assn. | Undecided | GA84 |
| Paula Dierenfeld | IA. Geothermal Assn. | Undecided | GA84 |
| Scott Sundstrom | IA. Geothermal Assn. | Undecided | GA84 |
| Jerry Fitzgerald | IA. Pork Producers Assn. (IPP) | Undecided | GA84 |
| Maggie Smith-Fitzgerald | IA. Pork Producers Assn. (IPP) | Undecided | GA84 |
| Mark Joyce | IA. Pork Producers Assn. (IPP) | Undecided | GA84 |
| Emily Piper | IA. Rural Water Assn. | Undecided | GA84 |
| Hanna DeGroot | IA. State Assn. of Counties | Undecided | GA84 |
| Linda Hinton | IA. State Assn. of Counties | Undecided | GA84 |
| MaryBeth Mellick | IA. State Assn. of Counties | Undecided | GA84 |
| Nathan Bonnett | IA. State Assn. of Counties | Undecided | GA84 |
| William Peterson | IA. State Assn. of Counties | Undecided | GA84 |
| Brad Epperly | IA. Water Well Assn. | Undecided | GA84 |
| Keith Luchtel | IA. Water Well Assn. | Undecided | GA84 |
| Paula Dierenfeld | IA. Water Well Assn. | Undecided | GA84 |
| Scott Sundstrom | IA. Water Well Assn. | Undecided | GA84 |
| John Pederson | Missouri River Energy Services | Undecided | GA84 |
| Matt Eide | Missouri River Energy Services | Undecided | GA84 |
| Brad Epperly | Monsanto Company | Undecided | GA84 |
| Keith Luchtel | Monsanto Company | Undecided | GA84 |
| Scott Sundstrom | Monsanto Company | Undecided | GA84 |
| Kristin Failor | National Federation of Independent Business (NFIB /IA) | Supporting | GA84 |
| Mike Heller | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA84 |
| Paula Feltner | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA84 |
| Emily Piper | Rathbun Regional Water Assn. | Undecided | GA84 |
| George Appleby | SSAB (f/k/a IPSCO Steel) | Undecided | GA84 |
| Jennifer Tyler | SSAB (f/k/a IPSCO Steel) | Undecided | GA84 |
| Jim Carney | SSAB (f/k/a IPSCO Steel) | Undecided | GA84 |
| Mike Heller | Waste Management, Inc. | Supporting | GA84 |
| Mike Heller | Waste Management, Inc. | Undecided | GA84 |
| Paula Feltner | Waste Management, Inc. | Supporting | GA84 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA84 |