| Drew Klein | Americans For Prosperity | Undecided | GA87 |
| Drew Kamp | Ames Chamber of Commerce | Undecided | GA87 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | 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 |
| Paige Thorson | Greater Des Moines Partnership | Undecided | GA87 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA87 |
| Connor Slack | Grow Clinton County | Opposing | GA87 |
| Dane Schumann | Grow Clinton County | Opposing | GA87 |
| Emily Hockins | Grow Clinton County | Opposing | GA87 |
| Threase Harms | Grow Clinton County | Opposing | GA87 |
| David Palmer | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Donna Orton | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Emily Shields | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Doug Struyk | Iowa Biodiesel Board | Undecided | GA87 |
| Jim Carney | Iowa Biodiesel Board | Undecided | GA87 |
| Shannon Henson | Iowa Biodiesel Board | Undecided | GA87 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA87 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA87 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA87 |
| Paige Thorson | Iowa Chamber Alliance | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA87 |
| Ryan Sempf | Iowa City Area Chamber of Commerce | Undecided | GA87 |
| Alan Kemp | Iowa League of Cities | Opposing | GA87 |
| Lindsey McCune | Iowa League of Cities | Opposing | GA87 |
| Robert Palmer | Iowa League of Cities | Opposing | GA87 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Paige Thorson | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA87 |
| William Peterson | Iowa State Association of Counties | Undecided | GA87 |
| Lyle Krewson | Lutheran Services in IA, Inc. | Undecided | GA87 |