| Julie Vande Hoef | Alliant Energy Corporation | Undecided | GA88 |
| Drew Klein | Americans For Prosperity | Supporting | GA88 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA88 |
| Carolann Jensen | Board of Regents, State of Iowa | Undecided | GA88 |
| Jennifer Harbison | Board of Regents, State of Iowa | Undecided | GA88 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA88 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA88 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Undecided | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA88 |
| Carrie Malone | Iowa Dept. of Human Services | Undecided | GA88 |
| Alan Kemp | Iowa League of Cities | Undecided | GA88 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA88 |
| Robert Palmer | Iowa League of Cities | Undecided | GA88 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA88 |
| Christopher Rants | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA88 |
| Justin Hupfer | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA88 |
| Brian Johnson | NECA - Iowa (NEC) | Undecided | GA88 |
| Christopher Rants | NECA - Iowa (NEC) | Undecided | GA88 |
| Justin Hupfer | NECA - Iowa (NEC) | Undecided | GA88 |
| Brian Johnson | NextEra Energy | Undecided | GA88 |
| Christopher Rants | NextEra Energy | Undecided | GA88 |
| Justin Hupfer | NextEra Energy | Undecided | GA88 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA88 |
| Brian Johnson | U.S. Cellular | Undecided | GA88 |
| Christopher Rants | U.S. Cellular | Undecided | GA88 |
| Justin Hupfer | U.S. Cellular | Undecided | GA88 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA88 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA88 |