| MARK MAXWELL | ABATE of Iowa | Supporting | GA90 |
| BRITTANY LUMLEY | Altumint | Undecided | GA90 |
| Courtney Craig | Altumint | Undecided | GA90 |
| Elliott Meyer | Altumint | Undecided | GA90 |
| Jeffrey Boeyink | Altumint | Undecided | GA90 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA90 |
| Gary Grant | City of Cedar Rapids | Supporting | GA90 |
| Gary Grant | City of Cedar Rapids | Withdrawn | GA90 |
| Gary Grant | City of Cedar Rapids | Undecided | GA90 |
| Larry Murphy | City of Cedar Rapids | Supporting | GA90 |
| Larry Murphy | City of Cedar Rapids | Withdrawn | GA90 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA90 |
| Doug Struyk | City of Des Moines | Opposing | GA90 |
| Jennifer Dorman | City of Des Moines | Opposing | GA90 |
| Jim Carney | City of Des Moines | Opposing | GA90 |
| Brad Epperly | City of Marion | Undecided | GA90 |
| Dustin Miller | City of Marion | Undecided | GA90 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Supporting | GA90 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | GA90 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA90 |
| Tom Ferguson | Iowa County Attorneys Association | Undecided | GA90 |
| Susan Fenton | Iowa Dept. of Transportation | Undecided | GA90 |
| Cyndi Pederson | Iowa Firefighters Association (IFA) | Supporting | GA90 |
| Elizabeth Crimmings | Iowa Firefighters Association (IFA) | Supporting | GA90 |
| John Pederson | Iowa Firefighters Association (IFA) | Supporting | GA90 |
| James Piazza, Jr. | Iowa Independent Automobile Dealers 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 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Supporting | GA90 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Withdrawn | GA90 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA90 |
| Amy Campbell | Iowa State Reserve Law Officers Association | Supporting | GA90 |
| Chloe Gayer | Iowa State Reserve Law Officers Association | Supporting | GA90 |
| Craig Patterson | Iowa State Reserve Law Officers Association | Supporting | GA90 |
| David Adelman | Metropolitan Coalition | Undecided | GA90 |
| David Adelman | Metropolitan Coalition | Opposing | GA90 |
| Frank Chiodo | Metropolitan Coalition | Undecided | GA90 |
| Frank Chiodo | Metropolitan Coalition | Opposing | GA90 |
| Lillie Brady | Metropolitan Coalition | Opposing | GA90 |
| Matt Hinch | Metropolitan Coalition | Undecided | GA90 |
| Matt Hinch | Metropolitan Coalition | Opposing | GA90 |
| Paige Thorson | Metropolitan Coalition | Undecided | GA90 |
| Sara Allen | Metropolitan Coalition | Undecided | GA90 |
| Sara Allen | Metropolitan Coalition | Opposing | GA90 |
| Mike St. Clair | Sensys Gatso | Undecided | GA90 |
| David Adelman | Verra Mobility | Undecided | GA90 |
| David Adelman | Verra Mobility | Opposing | GA90 |
| Frank Chiodo | Verra Mobility | Undecided | GA90 |
| Frank Chiodo | Verra Mobility | Opposing | GA90 |
| Lillie Brady | Verra Mobility | Opposing | GA90 |
| Matt Hinch | Verra Mobility | Undecided | GA90 |
| Matt Hinch | Verra Mobility | Opposing | GA90 |
| Paige Thorson | Verra Mobility | Undecided | GA90 |
| Sara Allen | Verra Mobility | Undecided | GA90 |
| Sara Allen | Verra Mobility | Opposing | GA90 |