| Melissa Speed | AFSCME Iowa Council 61 | Supporting | GA90 |
| Dane Schumann | American College of Obstetricians & Gynecologists | Supporting | GA90 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA90 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA90 |
| Brad Epperly | Bayer U.S. LLC | Undecided | GA90 |
| Dustin Miller | Bayer U.S. LLC | Undecided | GA90 |
| Mike Owen | Common Good Iowa | Supporting | GA90 |
| Natalie Veldhouse | Common Good Iowa | Supporting | GA90 |
| Sean Finn | Common Good Iowa | Supporting | GA90 |
| Sheila Hansen | Common Good Iowa | Supporting | GA90 |
| Molly Severn | Governor's Office | Supporting | GA90 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA90 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | GA90 |
| Andrea Dencklau | Iowa ACEs 360 | Supporting | GA90 |
| Lisa Cushatt | Iowa ACEs 360 | Supporting | GA90 |
| MaryNelle Trefz | Iowa ACEs 360 | Supporting | GA90 |
| Amy Campbell | Iowa Affiliate of the American College of Nurse-Midwives | Supporting | GA90 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA90 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA90 |
| Carolann Jensen | Iowa Board of Regents | Undecided | GA90 |
| Jennifer Harbison | Iowa Board of Regents | Undecided | GA90 |
| Keith Saunders | Iowa Board of Regents | Undecided | GA90 |
| Mary Braun | Iowa Board of Regents | Undecided | GA90 |
| Amy Campbell | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Supporting | GA90 |
| Craig Patterson | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Supporting | GA90 |
| Brad Epperly | Iowa Collectors Association, Inc. | Undecided | GA90 |
| Dustin Miller | Iowa Collectors Association, Inc. | Undecided | GA90 |
| Carrie Malone | Iowa Department of Health and Human Services | Supporting | GA90 |
| Dax Oberreuter | Iowa Department of Health and Human Services | Supporting | GA90 |
| Jancy Nielson | Iowa Department of Health and Human Services | Supporting | GA90 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA90 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Supporting | GA90 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA90 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA90 |
| Amy Campbell | Iowa Nurse Practitioners Society | Supporting | GA90 |
| Craig Patterson | Iowa Nurse Practitioners Society | Supporting | GA90 |
| Amy Campbell | Iowa Nurses Association | Supporting | GA90 |
| Craig Patterson | Iowa Nurses Association | Supporting | GA90 |
| Amy Campbell | Iowa Primary Care Association | Supporting | GA90 |
| Craig Patterson | Iowa Primary Care Association | Supporting | GA90 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA90 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA90 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA90 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA90 |
| Chuck Hurley | The Family Leader | Supporting | GA90 |
| Danny Carroll | The Family Leader | Supporting | GA90 |
| Rebekah Oleson | The Family Leader | Supporting | GA90 |
| Ryan Benn | The Family Leader | Supporting | GA90 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA90 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA90 |
| Rebekah Oleson | The Family Leader Foundation | Supporting | GA90 |
| Ryan Benn | The Family Leader Foundation | Supporting | GA90 |
| Karl Schilling | United Professionals/UE | Supporting | GA90 |