| David Scott | American Council of Engineering Companies | Opposing | GA83 |
| Andrew Baumert | Board of Regents, State of IA | Undecided | GA83 |
| David Miles | Board of Regents, State of IA | Undecided | GA83 |
| Joe Murphy | Board of Regents, State of IA | Undecided | GA83 |
| Keith Saunders | Board of Regents, State of IA | Undecided | GA83 |
| Robert Donley | Board of Regents, State of IA | Undecided | GA83 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA83 |
| James Piazza, Jr. | Heavy Highway Contractors Assn. | Undecided | GA83 |
| Emily Piper | IA. Assn. of School Boards | Undecided | GA83 |
| Mary Gannon | IA. Assn. of School Boards | Undecided | GA83 |
| Brad Epperly | IA. Chapter, American Institute of Architects | Opposing | GA83 |
| James West | IA. Chapter, American Institute of Architects | Opposing | GA83 |
| Keith Luchtel | IA. Chapter, American Institute of Architects | Opposing | GA83 |
| Paula Dierenfeld | IA. Chapter, American Institute of Architects | Opposing | GA83 |
| Scott Sundstrom | IA. Chapter, American Institute of Architects | Opposing | GA83 |
| Lyle Brehm | IA. County Engineers Assn. | Opposing | GA83 |
| David Scott | IA. Engineering Society | Opposing | GA83 |
| Greg Boattenhamer | IA. Hospital Assn. | Undecided | GA83 |
| J. Norris | IA. Hospital Assn. | Undecided | GA83 |
| Shannon Strickler | IA. Hospital Assn. | Undecided | GA83 |
| Alan Kemp | IA. League of Cities | Supporting | GA83 |
| Jessica Hyland | IA. League of Cities | Supporting | GA83 |
| Julie Smith | IA. League of Cities | Supporting | GA83 |
| Larry Pope | IA. League of Cities | Supporting | GA83 |
| Megan Peiffer | IA. League of Cities | Supporting | GA83 |
| Hanna DeGroot | IA. State Assn. of Counties | Undecided | GA83 |
| Hanna DeGroot | IA. State Assn. of Counties | Opposing | GA83 |
| Linda Hinton | IA. State Assn. of Counties | Undecided | GA83 |
| Linda Hinton | IA. State Assn. of Counties | Opposing | GA83 |
| MaryBeth Mellick | IA. State Assn. of Counties | Undecided | GA83 |
| MaryBeth Mellick | IA. State Assn. of Counties | Opposing | GA83 |
| Nathan Bonnett | IA. State Assn. of Counties | Undecided | GA83 |
| Nathan Bonnett | IA. State Assn. of Counties | Opposing | GA83 |
| William Peterson | IA. State Assn. of Counties | Undecided | GA83 |
| William Peterson | IA. State Assn. of Counties | Opposing | GA83 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Undecided | GA83 |
| Lisa Purvis | IA. Veterans Home (IVH) | Opposing | GA83 |
| Chad Kleppe | Master Builders of IA | Supporting | GA83 |
| Paula Feltner | Mediacom Communications Corporation | Undecided | GA83 |
| Dr. Norman | School Administrators of IA | Undecided | GA83 |