| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA85 |
| Linda Kinman | Des Moines Water Works | Undecided | GA85 |
| Marc Beltrame | Ducks Unlimited, Inc. | Opposing | GA85 |
| Matt McKinney | Ducks Unlimited, Inc. | Opposing | GA85 |
| Bob Skow | Independent Insurance Agents of Iowa | Undecided | GA85 |
| Larry Blixt | Independent Insurance Agents of Iowa | Undecided | GA85 |
| Linda Kinman | Iowa Association of Water Agencies | Undecided | GA85 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Undecided | GA85 |
| Robert Hartwig | Iowa Bankers Association | Undecided | GA85 |
| Sharon Presnall | Iowa Bankers Association | 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 | Supporting | GA85 |
| Jim Obradovich | Iowa Environmental Council | Opposing | GA85 |
| Jim Obradovich | Iowa Environmental Council | Undecided | GA85 |
| Ralph Rosenberg | Iowa Environmental Council | Undecided | GA85 |
| Robert Mulqueen | Iowa Environmental Council | Undecided | GA85 |
| Dane Schumann | Iowa Farmers Union | Undecided | GA85 |
| Kent Hartwig | Iowa Farmers Union | Undecided | GA85 |
| Threase Harms | Iowa Farmers Union | Undecided | GA85 |
| Don Brazelton | Iowa Natural Heritage Foundation | Opposing | GA85 |
| Laverne Schroeder | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA85 |
| Will Rogers | Iowa Nebraska Farm Equipment Dealers 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 |
| Chad Kleppe | Master Builders of Iowa | Undecided | GA85 |
| Marc Beltrame | Master Builders of Iowa | Undecided | GA85 |
| Matt McKinney | Master Builders of Iowa | 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 |