| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| Brad Epperly | City of Marion | Undecided | GA91 |
| Casey Nickel | City of Marion | Undecided | GA91 |
| Dustin Miller | City of Marion | Undecided | GA91 |
| David Peck | Ducks Unlimited, Inc. | Undecided | GA91 |
| Marc Beltrame | Ducks Unlimited, Inc. | Undecided | GA91 |
| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA91 |
| Chloe Gayer | Iowa Association of County Conservation Boards | Undecided | GA91 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA91 |
| Eric Goranson | Iowa Bowhunters Association | Undecided | GA91 |
| Jake Swanson | Iowa Cattlemen's Association | Supporting | GA91 |
| Kelli Wicks | Iowa Cattlemen's Association | Supporting | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Jefferson Fink | Iowa Conservation Alliance | Undecided | GA91 |
| Jim Obradovich | Iowa Conservation Alliance | Undecided | GA91 |
| Victoria Sinclair | Iowa Conservation Alliance | Undecided | GA91 |
| Todd Coffelt | Iowa Dept. of Natural Resources | Undecided | GA91 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Supporting | GA91 |
| Matt Gronewald | Iowa Farm Bureau Federation | Supporting | GA91 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA91 |
| Amy Campbell | Iowa Natural Heritage Foundation | Undecided | GA91 |
| Chloe Gayer | Iowa Natural Heritage Foundation | Undecided | GA91 |
| Craig Patterson | Iowa Natural Heritage Foundation | Undecided | GA91 |
| Jessica Seelinger | Iowa Natural Heritage Foundation | Undecided | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA91 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA91 |
| Eric Goranson | Pheasants Forever, Inc. & Quail Forever | Undecided | GA91 |
| Clara Wulfsen | The Nature Conservancy | Undecided | GA91 |
| Doug Struyk | The Nature Conservancy | Undecided | GA91 |
| Jennifer Dorman | The Nature Conservancy | Undecided | GA91 |
| Jim Carney | The Nature Conservancy | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |