| Jim Obradovich | Coalition for IA Woodlands and Trees | Opposing | GA84 |
| Don Brazelton | IA. Assn. of County Conservation Boards | Opposing | GA84 |
| Neila Seaman | IA. Chapter of Sierra Club | Opposing | GA84 |
| Jim Obradovich | IA. Environmental Council | Opposing | GA84 |
| Don Petersen | IA. Farm Bureau Federation | Supporting | GA84 |
| Joe Johnson | IA. Farm Bureau Federation | Supporting | GA84 |
| Marty Schwager | IA. Farm Bureau Federation | Supporting | GA84 |
| Matthew Steinfeldt | IA. Farm Bureau Federation | Supporting | GA84 |
| Duane Sand | IA. Natural Heritage Foundation | Opposing | GA84 |
| Brad Epperly | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Keith Luchtel | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Paula Dierenfeld | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Scott Sundstrom | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Mike Heller | IA. State Assn. of Assessors | Undecided | GA84 |
| Paula Feltner | IA. State Assn. of Assessors | Undecided | GA84 |
| Hanna DeGroot | IA. State Assn. of Counties | Supporting | GA84 |
| Linda Hinton | IA. State Assn. of Counties | Supporting | GA84 |
| MaryBeth Mellick | IA. State Assn. of Counties | Supporting | GA84 |
| William Peterson | IA. State Assn. of Counties | Supporting | GA84 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Supporting | GA84 |
| MIke Delaney | Izaak Walton League - Iowa Division | Opposing | GA84 |
| MIke Delaney | Raccoon River Watershed Assn. | Opposing | GA84 |