| David Scott | American Council of Engineering Companies | Opposing | GA90 |
| Tony Phillips | Black Hills Energy | Undecided | GA90 |
| Doug Struyk | City of Des Moines | Opposing | GA90 |
| Emilee Harris-Puricelli | City of Des Moines | Opposing | GA90 |
| Jen Schulte | City of Des Moines | Opposing | GA90 |
| Jennifer Dorman | City of Des Moines | Opposing | GA90 |
| Jim Carney | City of Des Moines | Opposing | GA90 |
| Mark Joyce | ITC Midwest | Undecided | GA90 |
| Todd Schulz | ITC Midwest | Undecided | GA90 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA90 |
| Kelly Meyers | Iowa Cattlemen's Association | Undecided | GA90 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA90 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Undecided | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA90 |
| Census Lo-liyong | Iowa County Recorders Association | Undecided | GA90 |
| Megan Clyman | Iowa County Recorders Association | Undecided | GA90 |
| Stacie Herridge | Iowa County Recorders Association | Undecided | GA90 |
| Alan Kemp | Iowa League of Cities | Undecided | GA90 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA90 |
| Robert Palmer | Iowa League of Cities | Undecided | GA90 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Opposing | GA90 |
| Nathan Hohnstein | Iowa Renewable Fuels Association (IRF) | Opposing | GA90 |
| Geri Huser | Iowa Utilities Commission | Undecided | GA90 |
| Louis Vander Streek | Iowa Utilities Commission | Undecided | GA90 |
| Maison Bleam | Iowa Utilities Commission | Undecided | GA90 |
| Chaz Allen | Iowa Utility Association | Undecided | GA90 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | GA90 |
| Elizabeth Burns-Thompson | Navigator Heartland Greenway LLC | Opposing | GA90 |
| Mark Joyce | Navigator Heartland Greenway LLC | Opposing | GA90 |
| Mark Joyce | Navigator Heartland Greenway LLC | Undecided | GA90 |
| Dane Schumann | North Central States Regional Council of Carpenters | Undecided | GA90 |
| David Scott | Society of Land Surveyors of Iowa | Opposing | GA90 |
| BRITTANY LUMLEY | Summit Carbon Solutions | Opposing | GA90 |
| Courtney Craig | Summit Carbon Solutions | Opposing | GA90 |
| Jake Ketzner | Summit Carbon Solutions | Opposing | GA90 |
| Jeffrey Boeyink | Summit Carbon Solutions | Opposing | GA90 |
| Taylor McDonald | Summit Carbon Solutions | Opposing | GA90 |