| Bill Wimmer | Alamo Rent A Car | Undecided | GA87 |
| Christopher Rants | Des Moines Public Schools | Supporting | GA87 |
| John Cacciatore | Des Moines Public Schools | Supporting | GA87 |
| Bill Wimmer | Enterprise Rent-A-Car | Undecided | GA87 |
| Dane Schumann | Grow Clinton County | Supporting | GA87 |
| Emily Hockins | Grow Clinton County | Supporting | GA87 |
| Threase Harms | Grow Clinton County | Supporting | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | 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 |
| Ryan Sempf | Iowa City Area Chamber of Commerce | Supporting | GA87 |
| Don Petersen | Iowa Farm Bureau Federation | Supporting | GA87 |
| Marty Schwager | Iowa Farm Bureau Federation | Supporting | GA87 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA87 |
| Amy Campbell | Iowa Library Association (ILA) | Undecided | GA87 |
| Craig Patterson | Iowa Library Association (ILA) | Undecided | GA87 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA87 |
| Lyle Krewson | Lutheran Services in IA, Inc. | Undecided | GA87 |
| Ben Hammes | Master Builders of Iowa | Supporting | GA87 |
| Chad Kleppe | Master Builders of Iowa | Supporting | GA87 |
| Julie Smith | Master Builders of Iowa | Supporting | GA87 |
| Bill Wimmer | National Rent A Car | Undecided | GA87 |
| Charlotte Eby | North Central States Regional Council of Carpenters | Supporting | GA87 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Supporting | GA87 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA87 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA87 |
| Bill Wimmer | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| Margaret Buckton | Rural School Advocates of Iowa | Supporting | GA87 |
| Margaret Buckton | Urban Education Network of Iowa | Supporting | GA87 |
| Dane Schumann | YMCA State Alliance | Supporting | GA87 |
| Emily Hockins | YMCA State Alliance | Supporting | GA87 |
| Threase Harms | YMCA State Alliance | Supporting | GA87 |