| John Pederson | ALCOA | Undecided | GA85 |
| Matt Eide | ALCOA | Undecided | GA85 |
| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA85 |
| Craig Lang | Board of Regents, State of Iowa | Undecided | GA85 |
| Jeneane Beck | Board of Regents, State of Iowa | Undecided | GA85 |
| Joe Murphy | Board of Regents, State of Iowa | Undecided | GA85 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA85 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA85 |
| Gary Grant | City of Cedar Rapids | Undecided | GA85 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA85 |
| Katherine Carlucci | City of Iowa City | Undecided | GA85 |
| Thomas Stanberry | City of Iowa City | Undecided | GA85 |
| Kellie Paschke | Cosmetologists and Barbers of Iowa | Undecided | GA85 |
| Lindsay Phillips | Cosmetologists and Barbers of Iowa | Undecided | GA85 |
| Troy Skinner | Cosmetologists and Barbers of Iowa | Undecided | GA85 |
| Linda Kinman | Des Moines Water Works | Undecided | GA85 |
| Josh Mandelbaum | Environmental Law and Policy Center | Undecided | GA85 |
| Steve Falck | Environmental Law and Policy Center | Undecided | GA85 |
| Kellie Paschke | Heartland Car Wash Association | Undecided | GA85 |
| Lindsay Phillips | Heartland Car Wash Association | Undecided | GA85 |
| Troy Skinner | Heartland Car Wash Association | Undecided | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Jessica Hyland | Iowa Association of Municipal Utilities | Undecided | GA85 |
| Julie Smith | Iowa Association of Municipal Utilities | Undecided | GA85 |
| Robert Haug | Iowa Association of Municipal Utilities | Undecided | GA85 |
| Linda Kinman | Iowa Association of Water Agencies | Undecided | GA85 |
| Justine Stevenson | Iowa Cattlemen's Association | Undecided | GA85 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA85 |
| Lindsay Phillips | Iowa Cattlemen's Association | Undecided | GA85 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA85 |
| Matt Gronewald | Iowa Dept. of Agriculture | Undecided | GA85 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA85 |
| Jim Obradovich | Iowa Environmental Council | Supporting | GA85 |
| Robert Mulqueen | Iowa Environmental Council | Undecided | GA85 |
| John Benson | Iowa Homeland Security & Emergency Management Div. | Undecided | GA85 |
| Dustin Miller | Iowa League of Cities | Undecided | GA85 |
| Jessica Hyland | Iowa League of Cities | Undecided | GA85 |
| Julie Smith | Iowa League of Cities | Undecided | GA85 |
| Cody McKinley | Iowa Pork Producers Association (IPP) | Undecided | GA85 |
| Emily Piper | Iowa Rural Water Association | Supporting | GA85 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA85 |
| Brad Epperly | Iowa Water Well Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Water Well Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Water Well Association | Undecided | GA85 |
| Emily Piper | Rathbun Regional Water Association | Supporting | GA85 |
| Emily Piper | Rathbun Regional Water Association | Undecided | GA85 |
| John Pederson | Tyson Foods, Inc. | Undecided | GA85 |
| Matt Eide | Tyson Foods, Inc. | Undecided | GA85 |