| Brad Epperly | AIG-American International Companies | Undecided | GA85 |
| Paula Dierenfeld | AIG-American International Companies | Undecided | GA85 |
| Scott Sundstrom | AIG-American International Companies | Undecided | GA85 |
| Terry Harrmann | Alliant Energy Corporation | Undecided | GA85 |
| Brad Epperly | American Insurance Association | Supporting | GA85 |
| Brad Epperly | American Insurance Association | Undecided | GA85 |
| Paula Dierenfeld | American Insurance Association | Supporting | GA85 |
| Paula Dierenfeld | American Insurance Association | Undecided | GA85 |
| Scott Sundstrom | American Insurance Association | Supporting | GA85 |
| Scott Sundstrom | American Insurance Association | Undecided | GA85 |
| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA85 |
| Craig Lang | Board of Regents, State of Iowa | Undecided | GA85 |
| Jeneane Beck | Board of Regents, State of Iowa | Undecided | GA85 |
| Joe Murphy | Board of Regents, State of Iowa | Undecided | GA85 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA85 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Brad Epperly | Iowa Automobile Dealers Association | Supporting | GA85 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Supporting | GA85 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Supporting | GA85 |
| Brad Epperly | Iowa Chapter, American Institute of Architects | Undecided | GA85 |
| Paula Dierenfeld | Iowa Chapter, American Institute of Architects | Undecided | GA85 |
| Scott Sundstrom | Iowa Chapter, American Institute of Architects | Undecided | GA85 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA85 |
| Brad Epperly | Iowa Geothermal Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Geothermal Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Geothermal Association | Undecided | GA85 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Supporting | GA85 |
| Jamie Cashman | Mechanical Contractors Association of Iowa (MCAI) | Supporting | GA85 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Supporting | GA85 |
| Jon Murphy | Plumbers and Steam Fitters Local 33 | Supporting | GA85 |
| Justin Hupfer | Plumbers and Steam Fitters Local 33 | Supporting | GA85 |
| Mary Earnhardt | Plumbers and Steam Fitters Local 33 | Supporting | GA85 |
| Mark Cooper | South Central Iowa Federation of Labor AFL-CIO | Undecided | GA85 |