| Brad Epperly | BNSF Railway Co. | Opposing | GA91 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA91 |
| Casey Nickel | BNSF Railway Co. | Opposing | GA91 |
| Casey Nickel | BNSF Railway Co. | Undecided | GA91 |
| Dustin Miller | BNSF Railway Co. | Opposing | GA91 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Jeanie Smith | Episcopal Diocese of Iowa | Supporting | GA91 |
| Paul Gennett | Episcopal Diocese of Iowa | Supporting | GA91 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Supporting | GA91 |
| David Peck | FUELIowa (PMCI) | Opposing | GA91 |
| Marc Beltrame | FUELIowa (PMCI) | Opposing | GA91 |
| Kirby Wagner | Growmark, Inc. | Undecided | GA91 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA91 |
| Casey Nickel | Helena Agri-Enterprises, LLC | Undecided | GA91 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | 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 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Supporting | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA91 |
| Todd Coffelt | Iowa Dept. of Natural Resources | Supporting | GA91 |
| Todd Coffelt | Iowa Dept. of Natural Resources | Undecided | GA91 |
| Nick Laning | Iowa Emergency Management Association | Supporting | GA91 |
| Noah Hackbart | Iowa Emergency Management Association | Supporting | GA91 |
| Threase Harms | Iowa Emergency Management Association | Supporting | GA91 |
| Cody Smith | Iowa Environmental Council | Undecided | GA91 |
| Colleen Fowle | Iowa Environmental Council | Undecided | GA91 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA91 |
| Michael Schmidt | Iowa Environmental Council | Undecided | GA91 |
| Noah Hackbart | Iowa Environmental Council | Undecided | GA91 |
| Sarah Green | Iowa Environmental Council | Undecided | GA91 |
| Threase Harms | Iowa Environmental Council | Undecided | GA91 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Undecided | GA91 |
| Matt Gronewald | Iowa Farm Bureau Federation | Undecided | GA91 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Undecided | GA91 |
| Megan Carlson | Iowa Institute for Cooperatives | Undecided | GA91 |
| Mike St. Clair | Iowa Institute for Cooperatives | Undecided | GA91 |
| David Scott | Iowa Motor Truck Association | Undecided | GA91 |
| Jefferson Fink | Iowa Society of Solid Waste Operations (ISOSWO) | Undecided | GA91 |
| Jim Obradovich | Iowa Society of Solid Waste Operations (ISOSWO) | Undecided | GA91 |
| Victoria Sinclair | Iowa Society of Solid Waste Operations (ISOSWO) | Undecided | GA91 |