| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Leon Aden | Good Energy Holdings | Opposing | GA91 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA91 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA91 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA91 |
| Briana Kouma | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA91 |
| Todd Coffelt | Iowa Dept. of Natural Resources | Undecided | GA91 |
| Noah Hackbart | Iowa Environmental Council | Opposing | GA91 |
| Threase Harms | Iowa Environmental Council | Opposing | GA91 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Opposing | GA91 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Undecided | GA91 |
| Matt Gronewald | Iowa Farm Bureau Federation | Opposing | GA91 |
| Matt Gronewald | Iowa Farm Bureau Federation | Undecided | GA91 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Opposing | GA91 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Undecided | GA91 |
| BRITTANY LUMLEY | Koloma | Supporting | GA91 |
| Courtney Craig | Koloma | Supporting | GA91 |
| Elliott Meyer | Koloma | Supporting | GA91 |
| Jeffrey Boeyink | Koloma | Supporting | GA91 |
| Mark Joyce | Koloma | Supporting | GA91 |
| Sue Tronchetti | Landus Cooperative | Undecided | GA91 |
| Sue Tronchetti | Landus Cooperative | Withdrawn | GA91 |
| Sue Tronchetti | Landus Cooperative | Opposing | GA91 |
| Roxana Bekemohammadi | United States Hydrogen Alliance | Opposing | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |