| Dustin Rush | Americans For Prosperity | Supporting | GA91 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Arthur Roche | Dubuque Area Land and Water Legacy | Opposing | GA91 |
| David Peck | Ducks Unlimited, Inc. | Opposing | GA91 |
| Marc Beltrame | Ducks Unlimited, Inc. | Opposing | GA91 |
| Amy Campbell | Iowa Association of County Conservation Boards | Opposing | GA91 |
| Chloe Gayer | Iowa Association of County Conservation Boards | Opposing | GA91 |
| Craig Patterson | Iowa Association of County Conservation Boards | Opposing | GA91 |
| Eric Goranson | Iowa Bowhunters Association | Opposing | GA91 |
| Jake Swanson | Iowa Cattlemen's Association | Undecided | GA91 |
| Kelli Wicks | Iowa Cattlemen's Association | Undecided | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Jefferson Fink | Iowa Conservation Alliance | Opposing | GA91 |
| Jim Obradovich | Iowa Conservation Alliance | Opposing | GA91 |
| Victoria Sinclair | Iowa Conservation Alliance | Opposing | GA91 |
| Todd Coffelt | Iowa Dept. of Natural Resources | Undecided | GA91 |
| Cody Smith | Iowa Environmental Council | Opposing | GA91 |
| Colleen Fowle | Iowa Environmental Council | Opposing | GA91 |
| Kerri Johannsen | Iowa Environmental Council | Opposing | GA91 |
| Michael Schmidt | Iowa Environmental Council | Opposing | GA91 |
| Sarah Green | Iowa Environmental Council | Opposing | GA91 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Undecided | GA91 |
| Matt Gronewald | Iowa Farm Bureau Federation | Undecided | GA91 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Undecided | GA91 |
| Alyson DeMoss | Iowa Motorcycle Dealers Association | Opposing | GA91 |
| Amy Campbell | Iowa Natural Heritage Foundation | Opposing | GA91 |
| Anna Gray | Iowa Natural Heritage Foundation | Opposing | GA91 |
| Chloe Gayer | Iowa Natural Heritage Foundation | Opposing | GA91 |
| Craig Patterson | Iowa Natural Heritage Foundation | Opposing | GA91 |
| Phil Jeneary | Iowa Sportsmans Club | Opposing | GA91 |
| Ryan Smith | Iowa Wildlife Federation | Opposing | GA91 |
| Dane Schumann | Izaak Walton League - Iowa Division | Opposing | GA91 |
| Eric Goranson | Pheasants Forever, Inc. & Quail Forever | Opposing | GA91 |
| Amber Markham | The Nature Conservancy | Opposing | GA91 |
| Clara Wulfsen | The Nature Conservancy | Opposing | GA91 |
| Doug Struyk | The Nature Conservancy | Opposing | GA91 |
| Jennifer Dorman | The Nature Conservancy | Opposing | GA91 |
| Jim Carney | The Nature Conservancy | Opposing | GA91 |