| Alyson DeMoss | ABATE of Iowa | Undecided | GA90 |
| Michael Triplett | Alliance For Automotive Innovation | Undecided | GA90 |
| Courtney Craig | Altumint | Undecided | GA90 |
| Elliott Meyer | Altumint | Undecided | GA90 |
| Jeffrey Boeyink | Altumint | Undecided | GA90 |
| Robert Weiser | Altumint | Undecided | GA90 |
| Chelsea Hoye | Brain Injury Alliance of Iowa | Supporting | GA90 |
| Nick Laning | Brain Injury Alliance of Iowa | Supporting | GA90 |
| Threase Harms | Brain Injury Alliance of Iowa | Supporting | GA90 |
| Gary Grant | City of Cedar Rapids | Opposing | GA90 |
| Larry Murphy | City of Cedar Rapids | Opposing | GA90 |
| Scott VanDeWoestyne | City of Davenport | Opposing | 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 |
| Brad Epperly | City of Marion | Undecided | GA90 |
| Casey Nickel | City of Marion | Undecided | GA90 |
| Dustin Miller | City of Marion | Undecided | GA90 |
| Doug Struyk | City of Waukee | Undecided | GA90 |
| Jennifer Dorman | City of Waukee | Undecided | GA90 |
| Jim Carney | City of Waukee | Undecided | GA90 |
| Nick Laning | IBEW Iowa State Conference | Supporting | GA90 |
| Threase Harms | IBEW Iowa State Conference | Supporting | GA90 |
| Nick Laning | Iowa Bicycle Coalition | Supporting | GA90 |
| Threase Harms | Iowa Bicycle Coalition | Supporting | GA90 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA90 |
| Tom Ferguson | Iowa County Attorneys Association | Undecided | GA90 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Supporting | GA90 |
| Alan Kemp | Iowa League of Cities | Opposing | GA90 |
| Daniel Stalder | Iowa League of Cities | Opposing | GA90 |
| Robert Palmer | Iowa League of Cities | Opposing | GA90 |
| Kellie Paschke | Iowa Peace Officers Association | Undecided | GA90 |
| Kelly Meyers | Iowa Peace Officers Association | Undecided | GA90 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Opposing | GA90 |
| Amy Campbell | Iowa Public Transit Association (IPT) | Undecided | GA90 |
| Chloe Gayer | Iowa Public Transit Association (IPT) | Undecided | GA90 |
| Craig Patterson | Iowa Public Transit Association (IPT) | Undecided | GA90 |
| Jeff Smith | Iowa State Police Association | Undecided | GA90 |
| Maggie Smith-Fitzgerald | Iowa State Police Association | Undecided | GA90 |
| Matt Fitzgerald | Iowa State Police Association | Undecided | GA90 |
| Jake Highfill | Iowa State Sheriffs' & Deputies' Association | Supporting | GA90 |
| Tony Phillips | Iowa State Sheriffs' & Deputies' Association | Supporting | GA90 |
| David Adelman | Metropolitan Coalition | Opposing | GA90 |
| Frank Chiodo | Metropolitan Coalition | Opposing | GA90 |
| Matt Hinch | Metropolitan Coalition | Opposing | GA90 |
| Paige Thorson | Metropolitan Coalition | Opposing | GA90 |
| Sara Allen | Metropolitan Coalition | Opposing | GA90 |
| Matt McKinney | Nationwide Mutual Ins. Co. | Undecided | GA90 |
| RG Schwarm | Nationwide Mutual Ins. Co. | Undecided | GA90 |
| David Adelman | State Farm Insurance | Supporting | GA90 |
| Frank Chiodo | State Farm Insurance | Supporting | GA90 |
| Matt Hinch | State Farm Insurance | Supporting | GA90 |
| Paige Thorson | State Farm Insurance | Supporting | GA90 |
| Sara Allen | State Farm Insurance | Supporting | GA90 |
| Christopher Rants | State Police Officers Council | Supporting | GA90 |
| John Cacciatore | State Police Officers Council | Supporting | GA90 |
| Kate Walton | Uber Technologies | Undecided | GA90 |
| Madeleine Bradley | Uber Technologies | Undecided | GA90 |
| Matt Eide | Uber Technologies | Undecided | GA90 |
| David Adelman | Verra Mobility | Opposing | GA90 |
| Frank Chiodo | Verra Mobility | Opposing | GA90 |
| Matt Hinch | Verra Mobility | Opposing | GA90 |
| Paige Thorson | Verra Mobility | Opposing | GA90 |
| Sara Allen | Verra Mobility | Opposing | GA90 |