| Ted Stopulos | Alliant Energy Corporation | Supporting | GA90 |
| Brad Epperly | Ames Regional Economic Alliance | Supporting | GA90 |
| Dustin Miller | Ames Regional Economic Alliance | Supporting | GA90 |
| Katie Hall | Cargill | Supporting | GA90 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Supporting | GA90 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Kate Walton | City of Bettendorf | Undecided | GA90 |
| Madeleine Bradley | City of Bettendorf | Undecided | GA90 |
| Matt Eide | City of Bettendorf | Undecided | GA90 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Undecided | GA90 |
| Josh Mandelbaum | Environmental Law and Policy Center | Undecided | GA90 |
| Steve Falck | Environmental Law and Policy Center | Undecided | GA90 |
| John Cacciatore | Farm Credit Service of America | Undecided | GA90 |
| Justin Hupfer | Farm Credit Service of America | Undecided | GA90 |
| Andrea Woodard | Greater Des Moines Partnership | Supporting | GA90 |
| Brad Epperly | Greater Des Moines Partnership | Supporting | GA90 |
| Dustin Miller | Greater Des Moines Partnership | Supporting | GA90 |
| Jeff Smith | Greater Fort Dodge Growth Alliance | Supporting | GA90 |
| Maggie Smith-Fitzgerald | Greater Fort Dodge Growth Alliance | Supporting | GA90 |
| Matt Fitzgerald | Greater Fort Dodge Growth Alliance | Supporting | GA90 |
| Kate Walton | Grow Clinton County | Supporting | GA90 |
| Kate Walton | Grow Clinton County | Undecided | GA90 |
| Madeleine Bradley | Grow Clinton County | Supporting | GA90 |
| Madeleine Bradley | Grow Clinton County | Undecided | GA90 |
| Matt Eide | Grow Clinton County | Supporting | GA90 |
| Matt Eide | Grow Clinton County | Undecided | GA90 |
| Todd Schulz | ITC Midwest | Supporting | GA90 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| John Davis | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| David Adelman | Iowa Biotechnology Association | Supporting | GA90 |
| Frank Chiodo | Iowa Biotechnology Association | Supporting | GA90 |
| Jessica Hyland | Iowa Biotechnology Association | Supporting | GA90 |
| Lillie Brady | Iowa Biotechnology Association | Supporting | GA90 |
| Matt Hinch | Iowa Biotechnology Association | Supporting | GA90 |
| Sara Allen | Iowa Biotechnology Association | Supporting | GA90 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA90 |
| Kelly Meyers | Iowa Cattlemen's Association | Undecided | GA90 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA90 |
| James Kersten | Iowa Central Community College | Supporting | GA90 |
| Brad Epperly | Iowa Chamber Alliance | Supporting | GA90 |
| Dustin Miller | Iowa Chamber Alliance | Supporting | GA90 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA90 |
| Tom Ferguson | Iowa County Attorneys Association | Undecided | GA90 |
| Deanna Triplett | Iowa Economic Development Authority | Supporting | GA90 |
| Chelsea Hoye | Iowa Environmental Council | Undecided | GA90 |
| Threase Harms | Iowa Environmental Council | Undecided | GA90 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Undecided | GA90 |
| Matt Gronewald | Iowa Farm Bureau Federation | Undecided | GA90 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Undecided | GA90 |
| Chelsea Hoye | Iowa Farmers Union | Opposing | GA90 |
| Threase Harms | Iowa Farmers Union | Opposing | GA90 |
| Nichole Hansen | Iowa Finance Authority | Supporting | GA90 |
| David Adelman | Iowa Real Estate Developers Association | Supporting | GA90 |
| Frank Chiodo | Iowa Real Estate Developers Association | Supporting | GA90 |
| Matt Hinch | Iowa Real Estate Developers Association | Supporting | GA90 |
| Paige Thorson | Iowa Real Estate Developers Association | Supporting | GA90 |
| Sara Allen | Iowa Real Estate Developers Association | Supporting | GA90 |
| David Adelman | Iowa Travel Industry Partners | Supporting | GA90 |
| Frank Chiodo | Iowa Travel Industry Partners | Supporting | GA90 |
| Lillie Brady | Iowa Travel Industry Partners | Supporting | GA90 |
| Matt Hinch | Iowa Travel Industry Partners | Supporting | GA90 |
| Sara Allen | Iowa Travel Industry Partners | Supporting | GA90 |
| Paige Thorson | Marathon Petroleum Corporation and its Subsidiaries | Supporting | GA90 |
| John Hall | Marshalltown Area Chamber of Commerce | Supporting | GA90 |
| Ben Hammes | Master Builders of Iowa | Supporting | GA90 |
| Julie Smith | Master Builders of Iowa | Supporting | GA90 |
| David Adelman | MidAmerican Energy Company | Supporting | GA90 |
| Frank Chiodo | MidAmerican Energy Company | Supporting | GA90 |
| Lillie Brady | MidAmerican Energy Company | Supporting | GA90 |
| Matt Hinch | MidAmerican Energy Company | Supporting | GA90 |
| Onnalee Gettler | MidAmerican Energy Company | Supporting | GA90 |
| Sara Allen | MidAmerican Energy Company | Supporting | GA90 |
| Dane Schumann | North Central States Regional Council of Carpenters | Undecided | GA90 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Supporting | GA90 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Supporting | GA90 |
| Brad Epperly | Quad Cities Chamber of Commerce | Supporting | GA90 |
| Dustin Miller | Quad Cities Chamber of Commerce | Supporting | GA90 |