| MIke Delaney | Citizens For A Healthy Iowa | Undecided | GA87 |
| Dane Schumann | Des Moines Water Works | Undecided | GA87 |
| Emily Hockins | Des Moines Water Works | Undecided | GA87 |
| Threase Harms | Des Moines Water Works | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA87 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA87 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA87 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA87 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA87 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA87 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA87 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Supporting | GA87 |
| Jennifer Terry | Iowa Environmental Council | Undecided | GA87 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA87 |
| Alan Kemp | Iowa League of Cities | Undecided | GA87 |
| Lindsey McCune | Iowa League of Cities | Undecided | GA87 |
| Robert Palmer | Iowa League of Cities | Undecided | GA87 |
| Amy Campbell | Iowa Natural Heritage Foundation | Undecided | GA87 |
| Craig Patterson | Iowa Natural Heritage Foundation | Undecided | GA87 |
| Dane Schumann | Iowa Rivers Revival | Undecided | GA87 |
| Emily Hockins | Iowa Rivers Revival | Undecided | GA87 |
| Threase Harms | Iowa Rivers Revival | Undecided | GA87 |
| Jim Obradovich | Iowa Society of Solid Waste Operations (ISOSWO) | Supporting | GA87 |
| Pete McRoberts | Iowa Society of Solid Waste Operations (ISOSWO) | Supporting | GA87 |
| Robert Mulqueen | Iowa Society of Solid Waste Operations (ISOSWO) | Supporting | GA87 |
| MIke Delaney | Izaak Walton League - Iowa Division | Undecided | GA87 |
| Amy Campbell | Loess Hills Alliance | Undecided | GA87 |
| Craig Patterson | Loess Hills Alliance | Undecided | GA87 |
| MIke Delaney | Panora Conservation Chapter of tihe Izaak Walton League | Undecided | GA87 |
| Mike Heller | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA87 |
| Paula Feltner | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA87 |
| MIke Delaney | Raccoon River Watershed Association | Undecided | GA87 |
| Doug Struyk | The Nature Conservancy | Undecided | GA87 |
| Jennifer Dorman | The Nature Conservancy | Undecided | GA87 |
| Jim Carney | The Nature Conservancy | Undecided | GA87 |
| Mike Heller | Waste Management, Inc. | Undecided | GA87 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA87 |