| MIke Delaney | Citizens For A Healthy Iowa | Supporting | GA86 |
| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA86 |
| Jay Iverson | Home Builders Association of Iowa | Undecided | GA86 |
| Brice Oakley | Iowa Bowhunters Association | Undecided | GA86 |
| Don Avenson | Iowa Bowhunters Association | Undecided | GA86 |
| Tom Cope | Iowa Bowhunters Association | Undecided | GA86 |
| Mike Heller | Iowa Conservation Alliance | Supporting | GA86 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA86 |
| Paula Feltner | Iowa Conservation Alliance | Supporting | GA86 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA86 |
| Robert Mulqueen | Iowa Environmental Council | Supporting | GA86 |
| Jake Oeth | Iowa Farmers Union | Supporting | GA86 |
| Kent Hartwig | Iowa Farmers Union | Supporting | GA86 |
| Threase Harms | Iowa Farmers Union | Supporting | GA86 |
| Dustin Miller | Iowa League of Cities | Undecided | GA86 |
| Robert Palmer | Iowa League of Cities | Undecided | GA86 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Scott Sundstrom | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Mike Heller | Iowa State Association of Assessors | Undecided | GA86 |
| Paula Feltner | Iowa State Association of Assessors | Undecided | GA86 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA86 |
| William Peterson | Iowa State Association of Counties | Undecided | GA86 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA86 |
| MIke Delaney | Izaak Walton League - Iowa Division | Supporting | GA86 |
| Jamie Cashman | Pheasants Forever, Inc. and Affiliate Councils and Chapters | Undecided | GA86 |
| Lucas Beenken | Pheasants Forever, Inc. and Affiliate Councils and Chapters | Undecided | GA86 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA86 |
| Craig Walter | Polk County - Board of Supervisors | Undecided | GA86 |
| MIke Delaney | Raccoon River Watershed Association | Supporting | 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 |