| Terry Harrmann | Alliant Energy Corporation | Undecided | GA84 |
| David Scott | American Council of Engineering Companies | Undecided | GA84 |
| Frank Chiodo | Associated General Contractors of IA | Undecided | GA84 |
| Ned Chiodo | Associated General Contractors of IA | Undecided | GA84 |
| Scott Newhard | Associated General Contractors of IA | Undecided | GA84 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA84 |
| Keith Luchtel | BNSF Railway Co. | Undecided | GA84 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA84 |
| Scott Sundstrom | BNSF Railway Co. | Undecided | GA84 |
| John Pederson | City of Cedar Falls | Opposing | GA84 |
| Matt Eide | City of Cedar Falls | Opposing | GA84 |
| Gary Grant | City of Cedar Rapids | Undecided | GA84 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA84 |
| Jerry Fitzgerald | City of Des Moines | Undecided | GA84 |
| Maggie Smith-Fitzgerald | City of Des Moines | Undecided | GA84 |
| Mark Godwin | City of Des Moines | Undecided | GA84 |
| Mark Joyce | City of Des Moines | Undecided | GA84 |
| Brad Epperly | Clean Line Energy | Undecided | GA84 |
| Keith Luchtel | Clean Line Energy | Undecided | GA84 |
| Paula Dierenfeld | Clean Line Energy | Undecided | GA84 |
| Scott Sundstrom | Clean Line Energy | Undecided | GA84 |
| Brad Epperly | Greater Des Moines Partnership | Opposing | GA84 |
| Jay Byers | Greater Des Moines Partnership | Opposing | GA84 |
| Keith Luchtel | Greater Des Moines Partnership | Opposing | GA84 |
| Paula Dierenfeld | Greater Des Moines Partnership | Opposing | GA84 |
| Scott Sundstrom | Greater Des Moines Partnership | Opposing | GA84 |
| Bill Wimmer | Home Builders Assn. of IA | Supporting | GA84 |
| Craig Schoenfeld | Home Builders Assn. of IA | Supporting | GA84 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Brad Epperly | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Julie Smith | IA. Assn. of Municipal Utilities | Opposing | GA84 |
| Larry Pope | IA. Assn. of Municipal Utilities | Opposing | GA84 |
| Brad Epperly | IA. Chamber Alliance | Opposing | GA84 |
| John Stineman | IA. Chamber Alliance | Opposing | GA84 |
| Keith Luchtel | IA. Chamber Alliance | Opposing | GA84 |
| Paula Dierenfeld | IA. Chamber Alliance | Opposing | GA84 |
| Scott Sundstrom | IA. Chamber Alliance | Opposing | GA84 |
| Mike Heller | IA. Conservation Alliance | Undecided | GA84 |
| Paula Feltner | IA. Conservation Alliance | Undecided | GA84 |
| Elizabeth Baird | IA. Dept. of Transportation | Undecided | GA84 |
| Elizabeth Baird | IA. Dept. of Transportation | Opposing | GA84 |
| Don Petersen | IA. Farm Bureau Federation | Supporting | GA84 |
| Joe Johnson | IA. Farm Bureau Federation | Supporting | GA84 |
| Marty Schwager | IA. Farm Bureau Federation | Supporting | GA84 |
| Matthew Steinfeldt | IA. Farm Bureau Federation | Supporting | GA84 |
| Alan Kemp | IA. League of Cities | Opposing | GA84 |
| Jessica Hyland | IA. League of Cities | Opposing | GA84 |
| Julie Smith | IA. League of Cities | Opposing | GA84 |
| Larry Pope | IA. League of Cities | Opposing | GA84 |
| Megan Peiffer | IA. League of Cities | Opposing | GA84 |
| Don Brazelton | IA. Rivers Revival | Opposing | GA84 |
| Emily Piper | IA. Rural Water Assn. | Opposing | GA84 |
| Hanna DeGroot | IA. State Assn. of Counties | Opposing | GA84 |
| Linda Hinton | IA. State Assn. of Counties | Opposing | GA84 |
| MaryBeth Mellick | IA. State Assn. of Counties | Opposing | GA84 |
| Nathan Bonnett | IA. State Assn. of Counties | Opposing | GA84 |
| William Peterson | IA. State Assn. of Counties | Opposing | GA84 |
| George Appleby | IA. State Bar Assn. | Undecided | GA84 |
| Jennifer Tyler | IA. State Bar Assn. | Undecided | GA84 |
| Jim Carney | IA. State Bar Assn. | Undecided | GA84 |
| Joe Kelly | IA. State Sheriffs' & Deputies' Assn. | Undecided | GA84 |
| Susan Cameron Daemen | IA. State Sheriffs' & Deputies' Assn. | Undecided | GA84 |
| Jerry Fitzgerald | ITC Midwest | Undecided | GA84 |
| Maggie Smith-Fitzgerald | ITC Midwest | Undecided | GA84 |
| Mark Joyce | ITC Midwest | Undecided | GA84 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA84 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA84 |
| David Adelman | Metropolitan Coalition | Opposing | GA84 |
| David Adelman | Metropolitan Coalition | Undecided | GA84 |
| John Pederson | Missouri River Energy Services | Opposing | GA84 |
| Matt Eide | Missouri River Energy Services | Opposing | GA84 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA84 |
| Jamie Cashman | Polk County - Board of Supervisors | Undecided | GA84 |
| Amy Campbell | Professional Developers of IA (PDI) | Opposing | GA84 |
| Craig Patterson | Professional Developers of IA (PDI) | Opposing | GA84 |
| Michael Sadler | Qwest | Supporting | GA84 |
| Emily Piper | Rathbun Regional Water Assn. | Opposing | GA84 |