| MIke Delaney | Citizens For A Healthy Iowa | Supporting | GA86 |
| Dane Schumann | Des Moines Water Works | Undecided | GA86 |
| Emily Hockins | Des Moines Water Works | Undecided | GA86 |
| Threase Harms | Des Moines Water Works | Undecided | GA86 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA86 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA86 |
| Angela Davis | Iowa Beverage Association | Undecided | GA86 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA86 |
| Neila Seaman | Iowa Chapter of Sierra Club | Supporting | GA86 |
| Neila Seaman | Iowa Chapter of Sierra Club | Opposing | GA86 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA86 |
| Don Petersen | Iowa Farm Bureau Federation | Undecided | GA86 |
| Marty Schwager | Iowa Farm Bureau Federation | Undecided | GA86 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Undecided | GA86 |
| Jim Obradovich | Iowa Society of Solid Waste Operations (ISOSWO) | Supporting | GA86 |
| Pete McRoberts | Iowa Society of Solid Waste Operations (ISOSWO) | Supporting | GA86 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA86 |
| William Peterson | Iowa State Association of Counties | Supporting | GA86 |
| Mike Heller | Iowa Wholesale Beer Distributors Association | Undecided | GA86 |
| Paula Feltner | Iowa Wholesale Beer Distributors Association | Undecided | GA86 |
| MIke Delaney | Izaak Walton League - Iowa Division | Supporting | GA86 |
| Marty Ryan | Justice Reform Consortium | Opposing | GA86 |
| Stephanie Fawkes-Lee | Justice Reform Consortium | Opposing | GA86 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA86 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA86 |
| David Adelman | Metro Waste Authority | Supporting | GA86 |
| Frank Chiodo | Metro Waste Authority | Supporting | GA86 |
| Matt Hinch | Metro Waste Authority | Supporting | GA86 |
| MIke Delaney | Raccoon River Watershed Association | Supporting | GA86 |
| Mike Heller | Waste Management, Inc. | Supporting | GA86 |
| Paula Feltner | Waste Management, Inc. | Supporting | GA86 |