| Adam Gregg | Agribusiness Assn. of IA | Undecided | GA84 |
| Jerry Fitzgerald | Agribusiness Assn. of IA | Undecided | GA84 |
| Maggie Smith-Fitzgerald | Agribusiness Assn. of IA | Undecided | GA84 |
| Marc Beltrame | Agribusiness Assn. of IA | Undecided | GA84 |
| Mark Joyce | Agribusiness Assn. of IA | Undecided | GA84 |
| Terry Harrmann | Alliant Energy Corporation | Undecided | GA84 |
| F. Thornton | Central IA Power Cooperative (CIPCO) | Supporting | GA84 |
| Stephen Roberts | Central IA Power Cooperative (CIPCO) | 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 |
| Linda Kinman | Des Moines Water Works | Undecided | GA84 |
| Steven Schoenebaum | Dow AgroSciences | Undecided | GA84 |
| Steve Falck | Environmental Law and Policy Center | Opposing | GA84 |
| F. Thornton | Friends of IA. Land Owners and Sportsmen | Supporting | GA84 |
| Dawn Carlson | Heartland Car Wash Assn. | Undecided | GA84 |
| Kellie Paschke | Heartland Car Wash Assn. | Undecided | GA84 |
| Mona Bond | Heartland Car Wash Assn. | Undecided | GA84 |
| Troy Skinner | Heartland Car Wash Assn. | Undecided | GA84 |
| Bill Wimmer | Home Builders Assn. of IA | Supporting | GA84 |
| Craig Schoenfeld | Home Builders Assn. of IA | Supporting | 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 |
| Linda Kinman | IA. Assn. of Water Agencies | Undecided | GA84 |
| Don Brazelton | IA. Bowhunters Assn. | Opposing | GA84 |
| Bruce Berven | IA. Cattlemen's Assn. | Undecided | GA84 |
| Neila Seaman | IA. Chapter of Sierra Club | Opposing | GA84 |
| Adam Mason | IA. Citizens for Community Improvement Action Fund | Opposing | GA84 |
| Erin Antonik | IA. Citizens for Community Improvement Action Fund | Opposing | GA84 |
| Natalie Snyders | 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 |
| Diane Ford | IA. Dept. of Natural Resources | 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 |
| Drue Sander | IA. Institute for Cooperatives | Undecided | GA84 |
| Kayla Lyon | IA. Institute for Cooperatives | Undecided | GA84 |
| Alan Kemp | IA. League of Cities | Undecided | GA84 |
| Jessica Hyland | IA. League of Cities | Undecided | GA84 |
| Julie Smith | IA. League of Cities | Undecided | GA84 |
| Larry Pope | IA. League of Cities | Undecided | GA84 |
| Megan Peiffer | IA. League of Cities | Undecided | GA84 |
| Cody McKinley | IA. Pork Producers Assn. (IPP) | 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 |
| Jill Altringer | IA. Poultry Assn. | Undecided | GA84 |
| Mike Heller | IA. Retail Federation | Undecided | GA84 |
| Paula Feltner | IA. Retail Federation | Undecided | GA84 |
| Emily Piper | IA. Rural Water Assn. | Undecided | GA84 |
| Jill Altringer | IA. Soybean 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 |
| Jessica Bloomberg | IA. State Dairy Assn. | Undecided | GA84 |
| Jill Altringer | IA. Turkey Federation | Undecided | GA84 |
| Mark Douglas | IA. Utility Assn. | 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 |
| Mark Langgin | IA. Water and Land Legacy | Undecided | GA84 |
| Jerry Fitzgerald | IA. Whitetail Deer Assn. | Undecided | GA84 |
| Maggie Smith-Fitzgerald | IA. Whitetail Deer Assn. | Undecided | GA84 |
| Mark Joyce | IA. Whitetail Deer Assn. | Undecided | GA84 |
| Mike Heller | IA. Wholesale Beer Distributors Assn. | Undecided | GA84 |
| Paula Feltner | IA. Wholesale Beer Distributors Assn. | Undecided | GA84 |
| Michael Triplett | Lafarge North American | Undecided | GA84 |
| Amy Campbell | League of Women Voters of IA | Undecided | GA84 |
| Craig Patterson | League of Women Voters of IA | Undecided | GA84 |
| Adam Gregg | M2P2, LLC | Undecided | GA84 |
| Marc Beltrame | M2P2, LLC | Undecided | GA84 |
| Michael Blaser | M2P2, LLC | Undecided | GA84 |
| Brad Epperly | Monsanto Company | Undecided | GA84 |
| Keith Luchtel | Monsanto Company | Undecided | GA84 |
| Scott Sundstrom | Monsanto Company | Undecided | GA84 |
| Mike Heller | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA84 |
| Paula Feltner | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA84 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of IA | Undecided | GA84 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of IA | Undecided | GA84 |
| Mona Bond | Petroleum Marketers and Convenience Stores of IA | Undecided | GA84 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of IA | Undecided | GA84 |
| Emily Piper | Rathbun Regional Water Assn. | Undecided | GA84 |
| Steven Schoenebaum | Smithfield Foods, Inc. | Undecided | GA84 |
| John Cacciatore | State Police Officers Council | Undecided | GA84 |
| Justin Hupfer | State Police Officers Council | Undecided | GA84 |
| Steven Schoenebaum | Syngenta Crop Protection | Undecided | GA84 |
| Mike Heller | Waste Management, Inc. | Undecided | GA84 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA84 |