| Neila Seaman | Iowa Chapter of Sierra Club | Undecided | GA85 |
| Neila Seaman | Iowa Chapter of Sierra Club | Opposing | GA85 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA85 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA85 |
| Diane Ford | Iowa Dept. of Natural Resources | Undecided | GA85 |
| Diane Ford | Iowa Dept. of Natural Resources | Supporting | GA85 |
| Jim Obradovich | Iowa Environmental Council | Opposing | GA85 |
| Robert Mulqueen | Iowa Environmental Council | Undecided | GA85 |
| Robert Mulqueen | Iowa Environmental Council | Opposing | GA85 |
| Laverne Schroeder | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA85 |
| Will Rogers | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA85 |
| Emily Piper | Iowa Rural Water Association | Opposing | GA85 |
| Hanna DeGroot | Iowa State Association of Counties | Undecided | GA85 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA85 |
| Linda Hinton | 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 |
| Mike Heller | Iowa State Snowmobile Association | Undecided | GA85 |
| Paula Feltner | Iowa State Snowmobile Association | Undecided | GA85 |
| MIke Delaney | Izaak Walton League - Iowa Division | Opposing | GA85 |
| Marty Ryan | Lead Is Poison Coalition (LIP-C) | Undecided | GA85 |
| Stephanie Fawkes-Lee | Lead Is Poison Coalition (LIP-C) | Undecided | GA85 |
| John Pederson | Okoboji Tourism Committee | Undecided | GA85 |
| Matt Eide | Okoboji Tourism Committee | Undecided | GA85 |
| MIke Delaney | Raccoon River Watershed Association | Opposing | GA85 |
| Amy Campbell | Travel Federation of Iowa | Undecided | GA85 |
| Craig Patterson | Travel Federation of Iowa | Undecided | GA85 |