| John Pederson | ALCOA | Supporting | GA84 |
| Matt Eide | ALCOA | Supporting | GA84 |
| Terry Harrmann | Alliant Energy Corporation | Undecided | GA84 |
| John Cacciatore | American Coalition for Clean Coal Electricity (ACCCE) | Supporting | GA84 |
| Justin Hupfer | American Coalition for Clean Coal Electricity (ACCCE) | 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 |
| Brad Epperly | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Neila Seaman | IA. Chapter of Sierra Club | Undecided | GA84 |
| Sharon Tahtinen | IA. Dept. of Natural Resources | Undecided | GA84 |
| Sharon Tahtinen | IA. Dept. of Natural Resources | Opposing | GA84 |
| Jim Obradovich | IA. Environmental Council | Opposing | GA84 |
| Leland Searles | IA. Environmental Council | Opposing | 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 |
| Alan Kemp | IA. League of Cities | Supporting | GA84 |
| Jessica Hyland | IA. League of Cities | Supporting | GA84 |
| Julie Smith | IA. League of Cities | Supporting | GA84 |
| Larry Pope | IA. League of Cities | Supporting | GA84 |
| Megan Peiffer | IA. League of Cities | Supporting | GA84 |
| Montgomery Shaw | IA. Renewable Fuels Assn. (IRF) | Supporting | GA84 |
| Michael Triplett | Lafarge North American | Supporting | GA84 |
| Amy Campbell | League of Women Voters of IA | Undecided | GA84 |
| Craig Patterson | League of Women Voters of IA | Undecided | GA84 |
| John Davis | MidAmerican Energy Company | Supporting | GA84 |
| Brad Epperly | Monsanto Company | Undecided | GA84 |
| Keith Luchtel | Monsanto Company | Undecided | GA84 |
| Scott Sundstrom | Monsanto Company | Undecided | GA84 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA84 |
| Jamie Cashman | Polk County - Board of Supervisors | Undecided | GA84 |