| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Gary Grant | City of Cedar Rapids | Undecided | GA89 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA89 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA89 |
| Clara Wulfsen | Department of Revenue | Supporting | GA89 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Undecided | GA89 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA89 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA89 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA89 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | GA89 |
| Chelsea Hoye | Iowa Alliance of YMCA's | Undecided | GA89 |
| Emilee Harris-Puricelli | Iowa Alliance of YMCA's | Undecided | GA89 |
| Nick Laning | Iowa Alliance of YMCA's | Undecided | GA89 |
| Threase Harms | Iowa Alliance of YMCA's | Undecided | GA89 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Steffi Lee | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA89 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA89 |
| Michelle Johnson | Iowa Association of School Boards | Undecided | GA89 |
| Phil Jeneary | Iowa Association of School Boards | Undecided | GA89 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA89 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA89 |
| Nick Laning | Iowa Bicycle Coalition | Undecided | GA89 |
| Threase Harms | Iowa Bicycle Coalition | Undecided | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA89 |
| Chelsea Hoye | Iowa Cosmetology School Association | Undecided | GA89 |
| Emilee Harris-Puricelli | Iowa Cosmetology School Association | Undecided | GA89 |
| Nick Laning | Iowa Cosmetology School Association | Undecided | GA89 |
| Threase Harms | Iowa Cosmetology School Association | Undecided | GA89 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA89 |
| Emilee Harris-Puricelli | Iowa Farmers Union | Undecided | GA89 |
| Nick Laning | Iowa Farmers Union | Undecided | GA89 |
| Threase Harms | Iowa Farmers Union | Undecided | GA89 |
| Alan Kemp | Iowa League of Cities | Undecided | GA89 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA89 |
| Robert Palmer | Iowa League of Cities | Undecided | GA89 |
| David Adelman | Iowa Renewable Fuels Association (IRF) | Undecided | GA89 |
| Frank Chiodo | Iowa Renewable Fuels Association (IRF) | Undecided | GA89 |
| Lillie Brady | Iowa Renewable Fuels Association (IRF) | Undecided | GA89 |
| Matt Hinch | Iowa Renewable Fuels Association (IRF) | Undecided | GA89 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA89 |
| Sara Allen | Iowa Renewable Fuels Association (IRF) | Undecided | GA89 |
| Chelsea Hoye | Iowa Rivers Revival | Undecided | GA89 |
| Emilee Harris-Puricelli | Iowa Rivers Revival | Undecided | GA89 |
| Nick Laning | Iowa Rivers Revival | Undecided | GA89 |
| Threase Harms | Iowa Rivers Revival | Undecided | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Mike Heller | Iowa State Association of Assessors | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA89 |
| William Peterson | Iowa State Association of Counties | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA89 |
| Tom Sands | Iowa Taxpayers Association | Undecided | GA89 |
| Doug Struyk | Iowa Veterinary Medical Association | Undecided | GA89 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Undecided | GA89 |
| Jim Carney | Iowa Veterinary Medical Association | Undecided | GA89 |
| Doug Struyk | Iowa-Nebraska Rental Dealers Association | Undecided | GA89 |
| Jennifer Dorman | Iowa-Nebraska Rental Dealers Association | Undecided | GA89 |
| Jim Carney | Iowa-Nebraska Rental Dealers Association | Undecided | GA89 |
| BRITTANY LUMLEY | Kent Corporation | Undecided | GA89 |
| Jeffrey Boeyink | Kent Corporation | Undecided | GA89 |
| Taylor McDonald | Kent Corporation | Undecided | GA89 |
| Nick Laning | Knoxville Raceway | Undecided | GA89 |
| Threase Harms | Knoxville Raceway | Undecided | GA89 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA89 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA89 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA89 |
| Logan Murray | Marion County Board of Supervisors | Undecided | GA89 |
| Troy Skinner | Marion County Board of Supervisors | Undecided | GA89 |
| David Adelman | Metropolitan Coalition | Undecided | GA89 |
| Frank Chiodo | Metropolitan Coalition | Undecided | GA89 |
| Lillie Brady | Metropolitan Coalition | Undecided | GA89 |
| Matt Hinch | Metropolitan Coalition | Undecided | GA89 |
| Sara Allen | Metropolitan Coalition | Undecided | GA89 |
| Kate Walton | POET, LLC | Undecided | GA89 |
| Madeleine Bradley | POET, LLC | Undecided | GA89 |
| Matt Eide | POET, LLC | Undecided | GA89 |
| Emily Piper | Piper Sandler | Undecided | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA89 |
| Bob Rafferty | Truckstops of Iowa | Undecided | GA89 |
| Nick Laning | Truckstops of Iowa | Undecided | GA89 |
| Gary Grant | Urban County Coalition | Undecided | GA89 |
| Larry Murphy | Urban County Coalition | Undecided | GA89 |
| Meghan Malloy | Urban County Coalition | Undecided | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA89 |
| Mike Heller | Waste Management, Inc. | Undecided | GA89 |
| Emilee Harris-Puricelli | Wine Institute | Undecided | GA89 |
| Nick Laning | Wine Institute | Undecided | GA89 |
| Threase Harms | Wine Institute | Undecided | GA89 |