| Bill Wimmer | Alamo Rent A Car | Undecided | GA87 |
| Dane Schumann | American Legion of Iowa | Undecided | GA87 |
| Emily Hockins | American Legion of Iowa | Undecided | GA87 |
| Threase Harms | American Legion of Iowa | Undecided | GA87 |
| Drew Kamp | Ames Chamber of Commerce | Undecided | GA87 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA87 |
| Katie Rock | Center for Rural Affairs | Supporting | GA87 |
| Tim Coonan | CenturyLink | Undecided | GA87 |
| Bill Wimmer | Enterprise Rent-A-Car | Undecided | GA87 |
| Doug Struyk | Facebook | Undecided | GA87 |
| Jennifer Dorman | Facebook | Undecided | GA87 |
| Jim Carney | Facebook | Undecided | GA87 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA87 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA87 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA87 |
| Joe Murphy | Greater Des Moines Partnership | Undecided | GA87 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA87 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA87 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | GA87 |
| Paula Dierenfeld | Helena Agri-Enterprises, LLC | Undecided | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| David Palmer | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Laurie Wolf | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA87 |
| Doug Struyk | Iowa Biodiesel Board | Undecided | GA87 |
| Jennifer Dorman | Iowa Biodiesel Board | Undecided | GA87 |
| Jim Carney | Iowa Biodiesel Board | Undecided | GA87 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA87 |
| Meghan Malloy | Iowa Catholic Conference | Undecided | GA87 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA87 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA87 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA87 |
| Ryan Sempf | Iowa City Area Chamber of Commerce | Undecided | GA87 |
| Jennifer Terry | Iowa Environmental Council | Undecided | GA87 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA87 |
| Nathaniel Baer | Iowa Environmental Council | Undecided | GA87 |
| Brad Epperly | Iowa Geothermal Association | Undecided | GA87 |
| Dustin Miller | Iowa Geothermal Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Geothermal Association | Undecided | GA87 |
| Alan Kemp | Iowa League of Cities | Undecided | GA87 |
| Lindsey McCune | Iowa League of Cities | Undecided | GA87 |
| Robert Palmer | Iowa League of Cities | Undecided | GA87 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA87 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA87 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA87 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Bradley Hudson | Iowa State Education Association | Supporting | GA87 |
| Melissa Peterson | Iowa State Education Association | Supporting | GA87 |
| Brad Epperly | Iowa Water Well Association | Undecided | GA87 |
| Dustin Miller | Iowa Water Well Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Water Well Association | Undecided | GA87 |
| Dane Schumann | MedPharm Iowa | Undecided | GA87 |
| Emily Hockins | MedPharm Iowa | Undecided | GA87 |
| Threase Harms | MedPharm Iowa | Undecided | GA87 |
| Doug Struyk | Meredith Corporation | Undecided | GA87 |
| Jennifer Dorman | Meredith Corporation | Undecided | GA87 |
| Jim Carney | Meredith Corporation | Undecided | GA87 |
| Kate Walton | Missouri River Energy Services | Undecided | GA87 |
| Matt Eide | Missouri River Energy Services | Undecided | GA87 |
| Brad Epperly | Monsanto Company | Undecided | GA87 |
| Dustin Miller | Monsanto Company | Undecided | GA87 |
| Bill Wimmer | National Rent A Car | Undecided | GA87 |
| Donna Orton | North Iowa Area Community College | Undecided | GA87 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA87 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA87 |
| Bill Wimmer | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| Steven Schoenebaum | Syngenta Crop Protection | Undecided | GA87 |