| Drew Klein | Americans For Prosperity | Undecided | GA86 |
| Drew Kamp | Ames Chamber of Commerce | Undecided | GA86 |
| John Pederson | Arconic (Formerly Alcoa) | Undecided | GA86 |
| Kelly Nuckolls | Arconic (Formerly Alcoa) | Undecided | GA86 |
| Matt Eide | Arconic (Formerly Alcoa) | Undecided | GA86 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA86 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA86 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA86 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA86 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Supporting | GA86 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Supporting | GA86 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Myron Linn | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA86 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA86 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA86 |
| Scott Sundstrom | Iowa Chamber Alliance | Undecided | GA86 |
| Jennifer Klein | Iowa Economic Development Authority | Undecided | GA86 |
| Kristin Hanks-Bents | Iowa Economic Development Authority | Undecided | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Supporting | GA86 |
| Brad Epperly | Iowa Geothermal Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Geothermal Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Geothermal Association | Undecided | GA86 |
| Angela Davis | Iowa Lumber Association | Supporting | GA86 |
| Angela Davis | Iowa Lumber Association | Undecided | GA86 |
| Bill Wimmer | Iowa Lumber Association | Supporting | GA86 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA86 |
| tom fey | Iowa State Building and Construction Trades Council | Supporting | GA86 |
| Brad Epperly | Iowa Water Well Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Water Well Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Water Well Association | Undecided | GA86 |
| Erich Schmidt | Laborers International Union of North America | Supporting | GA86 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Supporting | GA86 |
| Craig Walter | Mechanical Contractors Association of Iowa (MCAI) | Supporting | GA86 |
| Brian Johnson | NECA - Iowa (NEC) | Supporting | GA86 |
| Craig Walter | NECA - Iowa (NEC) | Supporting | GA86 |
| Christopher Rants | Plumbers and Steam Fitters Local 33 | Supporting | GA86 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Supporting | GA86 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA86 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA86 |
| John Pederson | Tyson Foods, Inc. | Undecided | GA86 |
| Kelly Nuckolls | Tyson Foods, Inc. | Undecided | GA86 |
| Matt Eide | Tyson Foods, Inc. | Undecided | GA86 |