| Brad Epperly | Ames Regional Economic Alliance | Undecided | GA90 |
| Dustin Miller | Ames Regional Economic Alliance | Undecided | GA90 |
| Jefferson Fink | Boone and Scenic Valley Railroad | Undecided | GA90 |
| Jim Obradovich | Boone and Scenic Valley Railroad | Undecided | GA90 |
| Jefferson Fink | Burlington Junction Railway | Undecided | GA90 |
| Jim Obradovich | Burlington Junction Railway | Undecided | GA90 |
| Gary Grant | City of Cedar Rapids | Undecided | GA90 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA90 |
| Jefferson Fink | Conservation Districts of Iowa | Undecided | GA90 |
| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA90 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA90 |
| Jefferson Fink | Davenport Industrial Railroad | Undecided | GA90 |
| Jim Obradovich | Davenport Industrial Railroad | Undecided | GA90 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA90 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA90 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA90 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA90 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA90 |
| Doug Struyk | Iowa Drainage District Association | Undecided | GA90 |
| Jennifer Dorman | Iowa Drainage District Association | Undecided | GA90 |
| Jim Carney | Iowa Drainage District Association | Undecided | GA90 |
| John Torbert | Iowa Drainage District Association | Undecided | GA90 |
| Mona Bond | Iowa Drainage District Association | Undecided | GA90 |
| Blake DeRouchey | Iowa Homeland Security & Emergency Management Div. | Undecided | GA90 |
| Jefferson Fink | Iowa Interstate Railroad | Undecided | GA90 |
| Jim Obradovich | Iowa Interstate Railroad | Undecided | GA90 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA90 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA90 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA90 |
| William Peterson | Iowa State Association of Counties | Undecided | GA90 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA90 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA90 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA90 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA90 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA90 |
| John Hall | Marshalltown Area Chamber of Commerce | Undecided | GA90 |
| Jefferson Fink | Patriot Rail (Keokuk Junction Railway) | Undecided | GA90 |
| Jim Obradovich | Patriot Rail (Keokuk Junction Railway) | Undecided | GA90 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Brad Epperly | Quad Cities Chamber of Commerce | Undecided | GA90 |
| Dustin Miller | Quad Cities Chamber of Commerce | Undecided | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |
| Brad Epperly | res | Undecided | GA90 |
| Dustin Miller | res | Undecided | GA90 |