| Sandra Conlin | Associated Builders & Contractors of Iowa | Opposing | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Clair Lewis | City of Bettendorf | Undecided | GA91 |
| Kate Walton | City of Bettendorf | Undecided | GA91 |
| Matt Eide | City of Bettendorf | Undecided | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| Brad Epperly | City of Marion | Undecided | GA91 |
| Casey Nickel | City of Marion | Undecided | GA91 |
| Dustin Miller | City of Marion | Undecided | GA91 |
| Clair Lewis | Grow Clinton County | Undecided | GA91 |
| Kate Walton | Grow Clinton County | Undecided | GA91 |
| Matt Eide | Grow Clinton County | Undecided | GA91 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA91 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA91 |
| David Peck | Iowa Association of Municipal Utilities | Supporting | GA91 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Supporting | GA91 |
| Briana Kouma | Iowa Chapter of Sierra Club | Undecided | GA91 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Undecided | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA91 |
| Catherine Pollard | Iowa Migrant Movement for Justice | Withdrawn | GA91 |
| Catherine Pollard | Iowa Migrant Movement for Justice | Opposing | GA91 |
| Nick Laning | Iowa Migrant Movement for Justice | Withdrawn | GA91 |
| Nick Laning | Iowa Migrant Movement for Justice | Opposing | GA91 |
| Threase Harms | Iowa Migrant Movement for Justice | Withdrawn | GA91 |
| Threase Harms | Iowa Migrant Movement for Justice | Opposing | GA91 |
| Doug Struyk | LS Power Grid Midcontinent, LLC | Undecided | GA91 |
| Jennifer Dorman | LS Power Grid Midcontinent, LLC | Undecided | GA91 |
| Jim Carney | LS Power Grid Midcontinent, LLC | Undecided | GA91 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA91 |
| Ben Hammes | Master Builders of Iowa | Undecided | GA91 |
| Logan Shine | Master Builders of Iowa | Undecided | GA91 |
| Christopher Rants | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA91 |
| Justin Hupfer | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA91 |
| Ben Gentz | Missouri River Energy Services | Supporting | GA91 |
| Clair Lewis | Missouri River Energy Services | Supporting | GA91 |
| Kate Walton | Missouri River Energy Services | Supporting | GA91 |
| Matt Eide | Missouri River Energy Services | Supporting | GA91 |
| Christopher Rants | NECA - Iowa (NEC) | Undecided | GA91 |
| Jake Friedrichsen | NECA - Iowa (NEC) | Undecided | GA91 |
| Justin Hupfer | NECA - Iowa (NEC) | Undecided | GA91 |