| Climate Land Leaders |
Against |
Apr 7, 2026 |
| Coalition for Iowa Woodlands and Trees |
Against |
Apr 23, 2025 |
| Iowa Bowhunters Association |
Against |
Apr 8, 2026 |
| Iowa Conservation Alliance |
Against |
Apr 9, 2026 |
| Iowa Nut Growers Association |
Against |
Apr 7, 2026 |
| Iowa Woodland Owners Association |
Against |
Apr 7, 2026 |
| New Mellerary Abbey / Mississippi Abbey |
Against |
Apr 7, 2026 |
| Iowa Corn Growers Association |
For |
Apr 8, 2026 |
| Iowa Soybean Association |
For |
Apr 22, 2025 |
| Iowa State Association of County Supervisors |
For |
Apr 22, 2025 |
| Iowa Catholic Conference |
Undecided |
Apr 22, 2025 |
| Iowa Farm Bureau Federation |
Undecided |
Apr 8, 2026 |
| Iowa State Association of Assessors |
Undecided |
Apr 22, 2025 |
| Iowa State Association of Counties |
Undecided |
Apr 22, 2025 |
| Kersten Walnut Farms, LLC |
Undecided |
Apr 24, 2025 |
| Linn County Board of Supervisors |
Undecided |
Apr 22, 2025 |
| Marion County Board of Supervisors |
Undecided |
Apr 22, 2025 |
| The Nature Conservancy |
Undecided |
Apr 7, 2026 |
| Urban County Coalition |
Undecided |
Apr 22, 2025 |