| Troy Price | AFSCME Iowa Council 61 | Supporting | GA89 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA89 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA89 |
| Brad Epperly | Bayer U.S. LLC | Undecided | GA89 |
| Dustin Miller | Bayer U.S. LLC | Undecided | GA89 |
| Carolann Jensen | Board of Regents, State of Iowa | Undecided | GA89 |
| Jennifer Harbison | Board of Regents, State of Iowa | Undecided | GA89 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA89 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA89 |
| MaryNelle Trefz | Common Good Iowa | Supporting | GA89 |
| Sheila Hansen | Common Good Iowa | Supporting | GA89 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA89 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | GA89 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA89 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA89 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA89 |
| Meghan Malloy | Iowa Catholic Conference | Supporting | GA89 |
| Tom Chapman | Iowa Catholic Conference | Supporting | GA89 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Supporting | GA89 |
| Brad Epperly | Iowa Collectors Association, Inc. | Undecided | GA89 |
| Dustin Miller | Iowa Collectors Association, Inc. | Undecided | GA89 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Supporting | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Supporting | GA89 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA89 |
| Dustin Miller | Iowa Grocery Industry Association | 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 |
| Becky Tayler | Iowa Safe Schools | Supporting | GA89 |
| Damian Thompson | Iowa Safe Schools | Supporting | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Melissa Peterson | Iowa State Education Association | Supporting | GA89 |
| Morgan Miller | Iowa State Education Association | Supporting | GA89 |
| Amy Campbell | League of Women Voters of Iowa | Supporting | GA89 |
| Craig Patterson | League of Women Voters of Iowa | Supporting | GA89 |
| Courtney Reyes | One Iowa | Supporting | GA89 |
| Keenan Crow | One Iowa | Supporting | GA89 |
| Courtney Reyes | One Iowa Action | Supporting | GA89 |
| Keenan Crow | One Iowa Action | Supporting | GA89 |
| Bill Gustoff | Personal Interest -Bill Gustoff | Undecided | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA89 |
| Kelli Harrison | UAW Region 4 | Supporting | GA89 |
| Karl Schilling | United Professionals/UE | Supporting | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA89 |