| John Pederson | ALCOA | Undecided | GA85 |
| Matt Eide | ALCOA | Undecided | GA85 |
| Terry Harrmann | Alliant Energy Corporation | Undecided | GA85 |
| Gary Grant | City of Cedar Rapids | Undecided | GA85 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA85 |
| Jerry Fitzgerald | City of Des Moines | Undecided | GA85 |
| Maggie Smith-Fitzgerald | City of Des Moines | Undecided | GA85 |
| Mark Joyce | City of Des Moines | Undecided | GA85 |
| Katherine Carlucci | City of Iowa City | Undecided | GA85 |
| Thomas Stanberry | City of Iowa City | Undecided | GA85 |
| Katherine Carlucci | City of Waukee | Undecided | GA85 |
| Thomas Stanberry | City of Waukee | Undecided | GA85 |
| Beverly Flores | Deere & Company | Opposing | GA85 |
| Steven Schoenebaum | Dow AgroSciences | Undecided | GA85 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA85 |
| Matt Hinch | Greater Des Moines Partnership | Undecided | GA85 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA85 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA85 |
| Mona Bond | Iowa Alliance of Environmental Concerns | Undecided | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Opposing | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Opposing | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Opposing | 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 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA85 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA85 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA85 |
| Scott Sundstrom | Iowa Chamber Alliance | Undecided | GA85 |
| Neila Seaman | Iowa Chapter of Sierra Club | Supporting | GA85 |
| Sandra Simmons | Iowa Chapter of Sierra Club | Supporting | GA85 |
| Jess Mazour | Iowa Citizens for Community Improvement Action Fund | 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 |
| Lyle Brehm | Iowa County Engineers Association | Undecided | GA85 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA85 |
| Elizabeth Baird | Iowa Dept. of Transportation | Undecided | GA85 |
| Jim Obradovich | Iowa Environmental Council | Supporting | GA85 |
| Robert Mulqueen | Iowa Environmental Council | Supporting | GA85 |
| Dane Schumann | Iowa Farmers Union | Undecided | GA85 |
| Kent Hartwig | Iowa Farmers Union | Undecided | GA85 |
| Threase Harms | Iowa Farmers Union | Undecided | GA85 |
| Dustin Miller | Iowa League of Cities | Opposing | GA85 |
| Jessica Hyland | Iowa League of Cities | Opposing | GA85 |
| Julie Smith | Iowa League of Cities | Opposing | GA85 |
| Jerry Fitzgerald | Iowa Pork Producers Association (IPP) | Undecided | GA85 |
| Maggie Smith-Fitzgerald | Iowa Pork Producers Association (IPP) | Undecided | GA85 |
| Mark Joyce | Iowa Pork Producers Association (IPP) | Undecided | GA85 |
| Don Brazelton | Iowa Rivers Revival | Supporting | GA85 |
| Emily Piper | Iowa Rural Water Association | Opposing | GA85 |
| Brad Epperly | Iowa Water Well Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Water Well Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Water Well Association | Undecided | GA85 |
| Cal Hultman | Lafarge North American | Undecided | GA85 |
| Michael Triplett | Lafarge North American | Undecided | GA85 |
| Mona Bond | Manatts Inc. | Undecided | GA85 |
| Brad Epperly | Monsanto Company | Undecided | GA85 |
| Scott Sundstrom | Monsanto Company | Undecided | GA85 |
| Mike Heller | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA85 |
| Paula Feltner | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA85 |
| George Appleby | SSAB (f/k/a IPSCO Steel) | Undecided | GA85 |
| Jennifer Tyler | SSAB (f/k/a IPSCO Steel) | Undecided | GA85 |
| Jim Carney | SSAB (f/k/a IPSCO Steel) | Undecided | GA85 |
| Steven Schoenebaum | Smithfield Foods, Inc. | Undecided | GA85 |
| Steven Schoenebaum | Syngenta Crop Protection | Undecided | GA85 |