| Katherine Carlucci | City of Iowa City | Undecided | GA85 |
| Thomas Stanberry | City of Iowa City | Undecided | GA85 |
| Katherine Carlucci | City of Waukee | Undecided | GA85 |
| Thomas Stanberry | City of Waukee | Undecided | GA85 |
| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA85 |
| Jim Obradovich | County Zoning Officials Organiztion | Undecided | GA85 |
| Robert Mulqueen | County Zoning Officials Organiztion | Undecided | GA85 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA85 |
| Matt Hinch | Greater Des Moines Partnership | Undecided | GA85 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA85 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA85 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | GA85 |
| Angela Davis | Home Builders Association of Iowa | Undecided | GA85 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Undecided | GA85 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA85 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA85 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA85 |
| Scott Sundstrom | Iowa Chamber Alliance | Undecided | GA85 |
| Neila Seaman | Iowa Chapter of Sierra Club | Opposing | GA85 |
| Neila Seaman | Iowa Chapter of Sierra Club | Undecided | GA85 |
| John Torbert | Iowa Drainage District Association | Supporting | GA85 |
| Mona Bond | Iowa Drainage District Association | Supporting | GA85 |
| Jim Obradovich | Iowa Environmental Council | Undecided | GA85 |
| Robert Mulqueen | Iowa Environmental Council | Undecided | GA85 |
| Angela Davis | Iowa Lumber Association | Undecided | GA85 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA85 |
| Dennis Parrott | Iowa Precinct Atlas Association of County Auditors | Undecided | GA85 |
| Dennis Parrott | Iowa State Association of County Auditors | Undecided | GA85 |
| Ken Kline | Iowa State Association of County Auditors | Undecided | GA85 |
| William Heckroth | Iowa State Association of County Supervisors | Supporting | GA85 |