| Steven Schoenebaum | Dow AgroSciences | Withdrawn | GA87 |
| Steven Schoenebaum | Dow AgroSciences | Undecided | GA87 |
| Josh Mandelbaum | Environmental Law and Policy Center | Undecided | GA87 |
| Steve Falck | Environmental Law and Policy Center | Undecided | GA87 |
| Bob Ward | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Gary Nims | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Kathleen McQuillen | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Sheila Corsbie | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| William Steward | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA87 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA87 |
| Neila Seaman | Iowa Chapter of Sierra Club | Undecided | GA87 |
| Jess Mazour | Iowa Citizens for Community Improvement Action Fund | Undecided | GA87 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA87 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA87 |
| Ralph Rosenberg | Iowa Environmental Council | Undecided | GA87 |
| Connor Slack | Iowa Farmers Union | Undecided | GA87 |
| Connor Slack | Iowa Farmers Union | Supporting | GA87 |
| Dane Schumann | Iowa Farmers Union | Undecided | GA87 |
| Dane Schumann | Iowa Farmers Union | Supporting | GA87 |
| Emily Hockins | Iowa Farmers Union | Undecided | GA87 |
| Emily Hockins | Iowa Farmers Union | Supporting | GA87 |
| Threase Harms | Iowa Farmers Union | Undecided | GA87 |
| Threase Harms | Iowa Farmers Union | Supporting | GA87 |
| Jeff Smith | Iowa Pork Producers Association (IPP) | Undecided | GA87 |
| Jerry Fitzgerald | Iowa Pork Producers Association (IPP) | Undecided | GA87 |
| Jonathan DeReus | Iowa Pork Producers Association (IPP) | Undecided | GA87 |
| Maggie Smith-Fitzgerald | Iowa Pork Producers Association (IPP) | Undecided | GA87 |
| Matt Fitzgerald | Iowa Pork Producers Association (IPP) | Undecided | GA87 |
| Tyler Bettin | Iowa Pork Producers Association (IPP) | Undecided | GA87 |
| Jill Altringer | Iowa Poultry Association | Undecided | GA87 |
| Carol Balvanz | Iowa Soybean Association | Undecided | GA87 |
| Jill Altringer | Iowa Soybean Association | Undecided | GA87 |
| Jill Altringer | Iowa Turkey Federation | Undecided | GA87 |
| Steven Schoenebaum | Pattison Sand Company, L.L.C. | Withdrawn | GA87 |
| Steven Schoenebaum | Pattison Sand Company, L.L.C. | Undecided | GA87 |
| Steven Schoenebaum | Smithfield Foods, Inc. | Undecided | GA87 |
| Steven Schoenebaum | Syngenta Crop Protection | Withdrawn | GA87 |
| Steven Schoenebaum | Syngenta Crop Protection | Undecided | GA87 |