| F. Thornton | Agri Drain Corp. | Undecided | GA85 |
| John Pederson | City of Cedar Falls | Undecided | GA85 |
| Matt Eide | City of Cedar Falls | Undecided | GA85 |
| Gary Grant | City of Cedar Rapids | Undecided | GA85 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA85 |
| Jerry Fitzgerald | City of Des Moines | Undecided | GA85 |
| Maggie Smith-Fitzgerald | City of Des Moines | Undecided | GA85 |
| Mark Joyce | City of Des Moines | Undecided | GA85 |
| Katherine Carlucci | City of Iowa City | Undecided | GA85 |
| Thomas Stanberry | City of Iowa City | 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) | Supporting | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | 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 |
| Jess Mazour | Iowa Citizens for Community Improvement Action Fund | Opposing | GA85 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA85 |
| Jim Obradovich | Iowa Environmental Council | Undecided | GA85 |
| Robert Mulqueen | Iowa Environmental Council | Opposing | GA85 |
| Dustin Miller | Iowa League of Cities | Supporting | GA85 |
| Jessica Hyland | Iowa League of Cities | Supporting | GA85 |
| Julie Smith | Iowa League of Cities | Supporting | GA85 |
| George Appleby | Iowa State Bar Association | Undecided | GA85 |
| Jennifer Tyler | Iowa State Bar Association | Undecided | GA85 |
| Jim Carney | Iowa State Bar 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 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Lindsay Phillips | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |