| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA85 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA85 |
| Matt Gronewald | Iowa Dept. of Agriculture | Undecided | GA85 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA85 |
| Courtney Willits | Iowa Emergency Management Association | Supporting | GA85 |
| Kent Hartwig | Iowa Emergency Management Association | Supporting | GA85 |
| Threase Harms | Iowa Emergency Management Association | Supporting | GA85 |
| Eric Bradley | Iowa Environmental Health Association | Supporting | GA85 |
| Dustin Miller | Iowa League of Cities | Supporting | GA85 |
| Jessica Hyland | Iowa League of Cities | Supporting | GA85 |
| Jim Obradovich | Iowa Recycling Association | Undecided | GA85 |
| Jim Obradovich | Iowa Society of Solid Waste Operations (ISOSWO) | Supporting | GA85 |
| Jim Obradovich | Iowa Society of Solid Waste Operations (ISOSWO) | Undecided | GA85 |
| Robert Mulqueen | Iowa Society of Solid Waste Operations (ISOSWO) | Supporting | GA85 |
| Hanna DeGroot | Iowa State Association of Counties | Undecided | GA85 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA85 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA85 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA85 |
| William Peterson | Iowa State Association of Counties | Undecided | GA85 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA85 |
| Jessica Hyland | Metro Waste Authority | Supporting | GA85 |
| Julie Smith | Metro Waste Authority | Supporting | GA85 |
| Reo Menning | Metro Waste Authority | Supporting | GA85 |
| Frederick Haskins | Patterson Law Firm LLP | Opposing | GA85 |
| Mike Heller | Waste Management, Inc. | Supporting | GA85 |
| Mike Heller | Waste Management, Inc. | Undecided | GA85 |
| Paula Feltner | Waste Management, Inc. | Supporting | GA85 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA85 |