| Doug Struyk | Anheuser Busch | Undecided | GA86 |
| George Appleby | Anheuser Busch | Undecided | GA86 |
| Jennifer Tyler | Anheuser Busch | Undecided | GA86 |
| Jim Carney | Anheuser Busch | Undecided | GA86 |
| Dane Schumann | Des Moines Water Works | Opposing | GA86 |
| Emily Hockins | Des Moines Water Works | Opposing | GA86 |
| Threase Harms | Des Moines Water Works | Opposing | GA86 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA86 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA86 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Opposing | GA86 |
| Gary Nims | Iowa Annual Conference of United Methodist Church | Opposing | GA86 |
| Marty Ryan | Iowa Annual Conference of United Methodist Church | Opposing | GA86 |
| Peggy Aguilar | Iowa Annual Conference of United Methodist Church | Opposing | GA86 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Opposing | GA86 |
| Sheila Corsbie | Iowa Annual Conference of United Methodist Church | Opposing | GA86 |
| Stephanie Fawkes-Lee | Iowa Annual Conference of United Methodist Church | Opposing | GA86 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Opposing | GA86 |
| William Steward | Iowa Annual Conference of United Methodist Church | Opposing | GA86 |
| Shelly Chandler | Iowa Association of Community Providers | Undecided | GA86 |
| Angela Davis | Iowa Beverage Association | Undecided | GA86 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA86 |
| Neila Seaman | Iowa Chapter of Sierra Club | Opposing | GA86 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | 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 |
| Susan Guy | Iowa Interfaith Power & Light | Opposing | GA86 |
| Angela Davis | Iowa Pharmacy Association | Withdrawn | GA86 |
| Angela Davis | Iowa Pharmacy Association | Undecided | GA86 |
| Bill Wimmer | Iowa Pharmacy Association | Undecided | GA86 |
| Jim Obradovich | Iowa Recycling Association | Opposing | GA86 |
| Jim Obradovich | Iowa Society of Solid Waste Operations (ISOSWO) | Opposing | GA86 |
| Pete McRoberts | Iowa Society of Solid Waste Operations (ISOSWO) | Opposing | GA86 |
| Robert Mulqueen | Iowa Society of Solid Waste Operations (ISOSWO) | Opposing | GA86 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Opposing | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA86 |
| William Peterson | Iowa State Association of Counties | Opposing | GA86 |
| Mike Heller | Iowa Wholesale Beer Distributors Association | Undecided | GA86 |
| Paula Feltner | Iowa Wholesale Beer Distributors Association | Undecided | GA86 |
| Larry Blixt | KWIK Trip, Inc. | Undecided | GA86 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA86 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA86 |
| David Adelman | Metro Waste Authority | Undecided | GA86 |
| Frank Chiodo | Metro Waste Authority | Undecided | GA86 |
| Matt Hinch | Metro Waste Authority | Undecided | GA86 |
| Doug Struyk | The Nature Conservancy | Undecided | GA86 |
| George Appleby | The Nature Conservancy | Undecided | GA86 |
| Jennifer Tyler | The Nature Conservancy | Undecided | GA86 |
| Jim Carney | The Nature Conservancy | Undecided | GA86 |
| Mike Heller | Waste Management, Inc. | Undecided | GA86 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA86 |