| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Supporting | GA89 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Supporting | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Withdrawn | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Supporting | GA89 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Supporting | GA89 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Undecided | GA89 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA89 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA89 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA89 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| John Davis | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Steffi Lee | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Emily Shields | Iowa Association of Community College Trustees | Supporting | GA89 |
| Jeff Smith | Iowa Association of Community College Trustees | Supporting | GA89 |
| Laurie Wolf | Iowa Association of Community College Trustees | Supporting | GA89 |
| Maggie Smith-Fitzgerald | Iowa Association of Community College Trustees | Supporting | GA89 |
| Matt Fitzgerald | Iowa Association of Community College Trustees | Supporting | GA89 |
| Emily Piper | Iowa Association of School Boards | Supporting | GA89 |
| Michelle Johnson | Iowa Association of School Boards | Supporting | GA89 |
| Phil Jeneary | Iowa Association of School Boards | Supporting | GA89 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA89 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA89 |
| Joe Murphy | Iowa Business Council | Supporting | GA89 |
| James Kersten | Iowa Central Community College | Undecided | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Supporting | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Supporting | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA89 |
| Mark Wiederspan | Iowa College Student Aid Commission | Supporting | GA89 |
| Todd Brown | Iowa College Student Aid Commission | Supporting | GA89 |
| Erin Cubit | Iowa Hospital Association | Supporting | GA89 |
| Jamie Horbach | Iowa Hospital Association | Supporting | GA89 |
| Jennifer Klein | Iowa Hospital Association | Supporting | GA89 |
| Maureen Keehnle | Iowa Hospital Association | Supporting | GA89 |
| Cindy Schulte | Iowa Valley Community College District | Supporting | GA89 |
| John Hall | Marshalltown Area Chamber of Commerce | Supporting | GA89 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA89 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Nathaniel Arnold | Professional Educators of Iowa | Undecided | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA89 |