| Dustin Rush | Americans For Prosperity | Supporting | GA91 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA91 |
| Anne Discher | Common Good Iowa | Opposing | GA91 |
| Kylie Spies | Common Good Iowa | Opposing | GA91 |
| Sean Finn | Common Good Iowa | Opposing | GA91 |
| Sheila Hansen | Common Good Iowa | Opposing | GA91 |
| Luke Elzinga | Des Moines Area Religious Council | Opposing | GA91 |
| Andrea Dencklau | Iowa ACEs 360 | Opposing | GA91 |
| Lisa Cushatt | Iowa ACEs 360 | Opposing | GA91 |
| MaryNelle Trefz | Iowa ACEs 360 | Opposing | GA91 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA91 |
| John Davis | Iowa Association of Business and Industry (ABI) | Supporting | GA91 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA91 |
| Larry Murphy | Iowa Catholic Conference | Opposing | GA91 |
| Tom Chapman | Iowa Catholic Conference | Opposing | GA91 |
| Briana Kouma | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Jeffrey Anderson | Iowa Conference of the United Methodist Church | Opposing | GA91 |
| Justin Hupfer | Iowa Credit Union League | Supporting | GA91 |
| Lon Anderson | Iowa Credit Union League | Supporting | GA91 |
| Madison Grady | Iowa Credit Union League | Supporting | GA91 |
| Carlyn Crowe | Iowa Developmental Disabilities Council | Opposing | GA91 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA91 |
| Cyndi Pederson | Iowa Hunger Coalition | Opposing | GA91 |
| Elizabeth Crimmings | Iowa Hunger Coalition | Opposing | GA91 |
| John Pederson | Iowa Hunger Coalition | Opposing | GA91 |
| Teresa Bomhoff | Iowa Integrated Health Planning and Advisory Council | Opposing | GA91 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA91 |
| Casey Nickel | Iowa Society of Certified Public Accountants | Undecided | GA91 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA91 |
| Andy Conlin | Iowans for Tax Relief | Supporting | GA91 |
| Chris Hagenow | Iowans for Tax Relief | Supporting | GA91 |
| Jake Highfill | Iowans for Tax Relief | Supporting | GA91 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA91 |
| Chloe Gayer | League of Women Voters of Iowa | Opposing | GA91 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA91 |
| Jessica Seelinger | League of Women Voters of Iowa | Opposing | GA91 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA91 |
| Paige Chickering | Save the Children Action Network | Opposing | GA91 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA91 |