| Alex Drzycimski | AFSCME Iowa Council 61 | Opposing | GA86 |
| Marcia Nichols | AFSCME Iowa Council 61 | Opposing | GA86 |
| Morgan Miller | AFSCME Iowa Council 61 | Opposing | GA86 |
| Midge Slater | Communications Workers of America Iowa State Council | Opposing | GA86 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA86 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA86 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Rachel Geilenfeld | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Zach Dalluge | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Undecided | GA86 |
| Robert Hartwig | Iowa Bankers Association | Supporting | GA86 |
| Sharon Presnall | Iowa Bankers Association | Supporting | GA86 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA86 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA86 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA86 |
| Scott Sundstrom | Iowa Chamber Alliance | Undecided | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA86 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Grocery Industry Association | Undecided | GA86 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Scott Sundstrom | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Brad Hudson | Iowa State Education Association | Opposing | GA86 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA86 |
| Jennifer Kingland | Iowa Taxpayers Association | Supporting | GA86 |
| Ernie Adkison | Iowans for Tax Relief | Undecided | GA86 |
| Robert Solt | Iowans for Tax Relief | Undecided | GA86 |
| Kristin Failor | National Federation of Independent Business (NFIB /IA) | Supporting | GA86 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA86 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA86 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA86 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA86 |