| Brad Epperly | Bayer U.S. LLC | Undecided | GA89 |
| Dustin Miller | Bayer U.S. LLC | Undecided | GA89 |
| Luke Elzinga | Des Moines Area Religious Council | Undecided | GA89 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA89 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | GA89 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA89 |
| Meghan Malloy | Iowa Catholic Conference | Undecided | GA89 |
| Tom Chapman | Iowa Catholic Conference | Undecided | GA89 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA89 |
| Kelly Meyers | Iowa Cattlemen's Association | Undecided | GA89 |
| Logan Murray | Iowa Cattlemen's Association | Undecided | GA89 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA89 |
| Brian Carter | Iowa Conference of United Methodist Church | Undecided | GA89 |
| Gary Nims | Iowa Conference of United Methodist Church | Undecided | GA89 |
| Rita Carter | Iowa Conference of United Methodist Church | Undecided | GA89 |
| Roberta Paige | Iowa Conference of United Methodist Church | Undecided | GA89 |
| Colin Tadlock | Iowa Department of Agriculture & Land Stewardship | Supporting | GA89 |
| Hannah McDowell | Iowa Farmers Union | Supporting | GA89 |
| Hannah McDowell | Iowa Farmers Union | Undecided | GA89 |
| Nick Laning | Iowa Farmers Union | Supporting | GA89 |
| Nick Laning | Iowa Farmers Union | Undecided | GA89 |
| Threase Harms | Iowa Farmers Union | Supporting | GA89 |
| Threase Harms | Iowa Farmers Union | Undecided | GA89 |
| Jill Altringer | Iowa Federation of Animal Owners | Undecided | GA89 |
| Bobby Martens | Iowa Institute for Cooperatives | Undecided | GA89 |
| Katie Hall | Iowa Institute for Cooperatives | Undecided | GA89 |
| Mike St. Clair | Iowa Institute for Cooperatives | Undecided | GA89 |
| Jill Altringer | Iowa Poultry Association | Undecided | GA89 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA89 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA89 |
| Jill Altringer | Iowa State Dairy Association | Undecided | GA89 |
| Jill Altringer | Iowa Turkey Federation | Undecided | GA89 |
| Doug Struyk | Iowa Veterinary Medical Association | Supporting | GA89 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Supporting | GA89 |
| Jim Carney | Iowa Veterinary Medical Association | Supporting | GA89 |
| Mike Heller | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA89 |
| Paula Feltner | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA89 |
| Emily Piper | Stray Dog Policy, Inc. | Undecided | GA89 |
| Doug Struyk | The Nature Conservancy | Undecided | GA89 |
| Jennifer Dorman | The Nature Conservancy | Undecided | GA89 |
| Jim Carney | The Nature Conservancy | Undecided | GA89 |