| Drew Klein | Americans For Prosperity | Undecided | GA88 |
| Tyler Raygor | Americans For Prosperity | Undecided | GA88 |
| Drew Kamp | Ames Chamber of Commerce | Opposing | GA88 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Undecided | GA88 |
| Tim Reilly | Department of Revenue | Undecided | GA88 |
| Mark Joyce | E. I. du Pont de Nemours and Company dba Corteva Agriscience | Undecided | GA88 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA88 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA88 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA88 |
| Joe Murphy | Greater Des Moines Partnership | Undecided | GA88 |
| Katie Graham | Greater Des Moines Partnership | Undecided | GA88 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA88 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA88 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | GA88 |
| Katie Graham | Helena Agri-Enterprises, LLC | Undecided | GA88 |
| Paula Dierenfeld | Helena Agri-Enterprises, LLC | Undecided | GA88 |
| David Palmer | Iowa Association of Community College Trustees | Undecided | GA88 |
| Jessica Hyland | Iowa Biotechnology Association | Opposing | GA88 |
| Mike St. Clair | Iowa Biotechnology Association | Opposing | GA88 |
| Brad Epperly | Iowa Chamber Alliance | Opposing | GA88 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA88 |
| Dustin Miller | Iowa Chamber Alliance | Opposing | GA88 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA88 |
| John Stineman | Iowa Chamber Alliance | Opposing | GA88 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA88 |
| Katie Graham | Iowa Chamber Alliance | Opposing | GA88 |
| Katie Graham | Iowa Chamber Alliance | Undecided | GA88 |
| Paula Dierenfeld | Iowa Chamber Alliance | Opposing | GA88 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA88 |
| Adam Mason | Iowa Citizens for Community Improvement Action Fund | Supporting | GA88 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Katie Graham | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Bradley Hudson | Iowa State Education Association | Supporting | GA88 |
| Melissa Peterson | Iowa State Education Association | Supporting | GA88 |
| Brad Epperly | Monsanto Company | Undecided | GA88 |
| Dustin Miller | Monsanto Company | Undecided | GA88 |
| Katie Graham | Monsanto Company | Undecided | GA88 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA88 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA88 |
| Sydney Gangestad | Technology Association of Iowa | Undecided | GA88 |
| Tim Coonan | Technology Association of Iowa | Undecided | GA88 |
| Bob Rafferty | Vertex Pharmaceuticals Incorporated | Undecided | GA88 |
| Dane Schumann | Vertex Pharmaceuticals Incorporated | Undecided | GA88 |
| Maddie Wilcox | Vertex Pharmaceuticals Incorporated | Undecided | GA88 |
| Threase Harms | Vertex Pharmaceuticals Incorporated | Undecided | GA88 |