| Amy Campbell | AARP Iowa | Undecided | GA90 |
| Craig Patterson | AARP Iowa | Undecided | GA90 |
| Paige Yontz | AARP Iowa | Supporting | GA90 |
| Brad Epperly | AIG-American International Companies | Supporting | GA90 |
| Dustin Miller | AIG-American International Companies | Supporting | GA90 |
| Dustin Blythe | AT & T | Undecided | GA90 |
| Michael Triplett | Alliance For Automotive Innovation | Supporting | GA90 |
| Mike St. Clair | American Property Casualty Insurance Association (APCIA) | Supporting | 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 |
| Chelsea Hoye | Des Moines Water Works | Undecided | GA90 |
| Nick Laning | Des Moines Water Works | Undecided | GA90 |
| Threase Harms | Des Moines Water Works | Undecided | GA90 |
| Nick Laning | IBEW Iowa State Conference | Supporting | GA90 |
| Threase Harms | IBEW Iowa State Conference | Supporting | GA90 |
| Jake Ketzner | Independent Insurance Agents of Iowa | Supporting | GA90 |
| Larry Blixt | Independent Insurance Agents of Iowa | Supporting | GA90 |
| Nick Boeyink | Independent Insurance Agents of Iowa | Supporting | GA90 |
| Thomas O'Meara | Independent Insurance Agents of Iowa | Supporting | GA90 |
| Brad Lint | Iowa Association for Justice | Undecided | GA90 |
| Lisa Davis-Cook | Iowa Association for Justice | Undecided | GA90 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Supporting | GA90 |
| John Hirl | Iowa Association of Municipal Utilities | Supporting | GA90 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Supporting | GA90 |
| Brad Epperly | Iowa Automobile Dealers Association | Supporting | GA90 |
| Dustin Miller | Iowa Automobile Dealers Association | 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 |
| Todd Coffelt | Iowa Dept. of Natural Resources | Undecided | GA90 |
| Josie Wagler | Iowa Dept. of Public Safety | Supporting | GA90 |
| Susan Fenton | Iowa Dept. of Transportation | Supporting | GA90 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Supporting | GA90 |
| BRITTANY LUMLEY | Iowa Insurance Institute | Supporting | GA90 |
| Courtney Craig | Iowa Insurance Institute | Supporting | GA90 |
| Jeffrey Boeyink | Iowa Insurance Institute | Supporting | GA90 |
| Taylor McDonald | Iowa Insurance Institute | Supporting | GA90 |
| Leslie Carpenter | Iowa Mental Health Advocacy | Supporting | GA90 |
| David Scott | Iowa Motor Truck Association | Undecided | GA90 |
| Kellie Paschke | Iowa Peace Officers Association | Undecided | GA90 |
| Kelly Meyers | Iowa Peace Officers Association | Undecided | GA90 |
| Troy Skinner | Iowa Peace Officers Association | Undecided | GA90 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Supporting | GA90 |
| Amy Campbell | Iowa Public Transit Association (IPT) | Supporting | GA90 |
| Craig Patterson | Iowa Public Transit Association (IPT) | Supporting | GA90 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA90 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA90 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA90 |
| William Peterson | Iowa State Association of Counties | Supporting | GA90 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA90 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA90 |
| Jim Carney | Iowa State Bar Association | Undecided | GA90 |
| Jeff Smith | Iowa State Police Association | Supporting | GA90 |
| Maggie Smith-Fitzgerald | Iowa State Police Association | Supporting | GA90 |
| Matt Fitzgerald | Iowa State Police Association | Supporting | GA90 |
| Jake Highfill | Iowa State Sheriffs' & Deputies' Association | Supporting | GA90 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Supporting | GA90 |
| Tony Phillips | Iowa State Sheriffs' & Deputies' Association | Supporting | GA90 |
| Gary Grant | Linn County Board of Supervisors | Supporting | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA90 |
| Ross Lien | National Association of Mutual Insurance Companies (NAMIC) | Supporting | GA90 |
| Hannah Welch | Nationwide Mutual Ins. Co. | Supporting | GA90 |
| Matt McKinney | Nationwide Mutual Ins. Co. | Supporting | GA90 |
| RG Schwarm | Nationwide Mutual Ins. Co. | Supporting | GA90 |
| David Adelman | State Farm Insurance | Undecided | GA90 |
| Frank Chiodo | State Farm Insurance | Undecided | GA90 |
| Lillie Brady | State Farm Insurance | Undecided | GA90 |
| Matt Hinch | State Farm Insurance | Undecided | GA90 |
| Sara Allen | State Farm Insurance | Undecided | 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 |
| Gary Grant | Urban County Coalition | Supporting | GA90 |
| Larry Murphy | Urban County Coalition | Supporting | GA90 |
| Kate Walton | Verizon Corporation and Affiliated Companies | Undecided | GA90 |
| Madeleine Bradley | Verizon Corporation and Affiliated Companies | Undecided | GA90 |
| Matt Eide | Verizon Corporation and Affiliated Companies | Undecided | GA90 |