| Bill Wimmer | Alamo Rent A Car | Undecided | GA87 |
| Drew Klein | Americans For Prosperity | Supporting | GA87 |
| Drew Kamp | Ames Chamber of Commerce | Undecided | GA87 |
| Mike Rozenboom | Annett Holdings | Undecided | GA87 |
| Robert Weiser | Annett Holdings | Undecided | GA87 |
| Doug Struyk | Anthem, Inc. and Its Affiliates Including Amerigroup | Undecided | GA87 |
| Jennifer Dorman | Anthem, Inc. and Its Affiliates Including Amerigroup | Undecided | GA87 |
| Jim Carney | Anthem, Inc. and Its Affiliates Including Amerigroup | Undecided | GA87 |
| Kyle Carlson | Anthem, Inc. and Its Affiliates Including Amerigroup | Undecided | GA87 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA87 |
| Kristin Bauer | Board of Regents, State of Iowa | Undecided | GA87 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA87 |
| Mike Rozenboom | CRST International | Undecided | GA87 |
| Robert Weiser | CRST International | Undecided | GA87 |
| Bill Wimmer | Enterprise Rent-A-Car | Undecided | GA87 |
| Jaime Izaguirre | Families United Action Network (FUAN) | Supporting | GA87 |
| John George | Families United Action Network (FUAN) | Supporting | GA87 |
| Nicholas Dreeszen | Families United Action Network (FUAN) | Supporting | GA87 |
| ToyA Johnson | Families United Action Network (FUAN) | Supporting | GA87 |
| Henry Marquard | Genesis Health System | Supporting | GA87 |
| Kate Walton | Genesis Health System | Supporting | GA87 |
| Matt Eide | Genesis Health System | Supporting | GA87 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA87 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA87 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA87 |
| Joe Murphy | Greater Des Moines Partnership | Undecided | GA87 |
| Katie Graham | Greater Des Moines Partnership | Undecided | GA87 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA87 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA87 |
| Katelynn McCollough | Hy-Vee, Inc. | Undecided | GA87 |
| Tim Coonan | Hy-Vee, Inc. | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| David Palmer | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Donna Orton | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Emily Piper | Iowa Association of School Boards | Supporting | GA87 |
| Phil Jeneary | Iowa Association of School Boards | Supporting | GA87 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA87 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA87 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA87 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA87 |
| Katie Graham | Iowa Chamber Alliance | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA87 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA87 |
| ToyA Johnson | Iowa Citizens For Justice | Supporting | GA87 |
| Jess Mazour | Iowa Citizens for Community Improvement Action Fund | Opposing | GA87 |
| Jake Swanson | Iowa Dept. of Agriculture | Undecided | GA87 |
| Merea Bentrott | Iowa Dept. of Human Services | Undecided | GA87 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA87 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA87 |
| Susan Fenton | Iowa Dept. of Transportation | Undecided | GA87 |
| Wes Peterson | Iowa Finance Authority | Undecided | GA87 |
| Karla Fultz McHenry | Iowa Independent Physician Group | Undecided | GA87 |
| Mary Neubauer | Iowa Lottery Authority | Undecided | GA87 |
| Rob Porter | Iowa Lottery Authority | Undecided | GA87 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA87 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA87 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA87 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA87 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA87 |
| Jim Carney | Iowa State Bar Association | Undecided | GA87 |
| Bill Wimmer | National Rent A Car | Undecided | GA87 |
| Bill Wimmer | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| Henry Marquard | Quad Cities Chamber of Commerce | Supporting | GA87 |
| Margaret Buckton | Rural School Advocates of Iowa | Supporting | GA87 |
| Margaret Buckton | Urban Education Network of Iowa | Supporting | GA87 |
| Craig Schoenfeld | Valero Energy Corporation | Supporting | GA87 |