| Brad Epperly | Greater Des Moines Partnership | Undecided | GA84 |
| Keith Luchtel | Greater Des Moines Partnership | Undecided | GA84 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA84 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA84 |
| Don Brazelton | IA. Assn. of County Conservation Boards | Opposing | GA84 |
| Don Brazelton | IA. Bowhunters Assn. | Opposing | GA84 |
| Brad Epperly | IA. Chamber Alliance | Undecided | GA84 |
| John Stineman | IA. Chamber Alliance | Undecided | GA84 |
| Keith Luchtel | IA. Chamber Alliance | Undecided | GA84 |
| Paula Dierenfeld | IA. Chamber Alliance | Undecided | GA84 |
| Scott Sundstrom | IA. Chamber Alliance | Undecided | GA84 |
| Neila Seaman | IA. Chapter of Sierra Club | Opposing | GA84 |
| Mike Heller | IA. Conservation Alliance | Opposing | GA84 |
| Paula Feltner | IA. Conservation Alliance | Opposing | GA84 |
| Jim Obradovich | IA. Environmental Council | Opposing | GA84 |
| Jen Schulte | IA. Farmers Union | Undecided | GA84 |
| Kent Hartwig | IA. Farmers Union | Undecided | GA84 |
| Kyle Frette | IA. Farmers Union | Undecided | GA84 |
| Threase Harms | IA. Farmers Union | Undecided | GA84 |
| Duane Sand | IA. Natural Heritage Foundation | Opposing | GA84 |
| Don Brazelton | IA. Rivers Revival | Opposing | GA84 |
| Scott Pope | IA. Sportsman Federation | Undecided | GA84 |
| Brice Oakley | IA. Water and Land Legacy | Opposing | GA84 |
| Don Avenson | IA. Water and Land Legacy | Opposing | GA84 |
| Mark Langgin | IA. Water and Land Legacy | Opposing | GA84 |
| Tom Cope | IA. Water and Land Legacy | Opposing | GA84 |
| Amy Campbell | League of Women Voters of IA | Undecided | GA84 |
| Craig Patterson | League of Women Voters of IA | Undecided | GA84 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA84 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA84 |
| John Pederson | Okoboji Tourism Committee | Undecided | GA84 |
| Matt Eide | Okoboji Tourism Committee | Undecided | GA84 |
| James Wooley | Pheasants Forever, Inc., and Affiliate Councils & Chapters | Opposing | GA84 |
| Amy Campbell | Travel Federation of IA | Undecided | GA84 |
| Craig Patterson | Travel Federation of IA | Undecided | GA84 |