| Cal Hultman | Alliance of Automobile Manufacturers | Supporting | GA85 |
| Michael Triplett | Alliance of Automobile Manufacturers | Supporting | GA85 |
| Terry Harrmann | Alliant Energy Corporation | Supporting | GA85 |
| Terry Harrmann | Alliant Energy Corporation | Undecided | GA85 |
| Susan Walter | Black Hills Energy | Supporting | GA85 |
| Steve Falck | Environmental Law and Policy Center | Supporting | GA85 |
| Mike Carberry | Friends of the Earth | Supporting | GA85 |
| Mike St. Clair | General Motors LLC | Supporting | GA85 |
| tom fey | General Motors LLC | Supporting | GA85 |
| Mike Carberry | Green State Solutions | Supporting | GA85 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA85 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA85 |
| Dane Schumann | IBEW Iowa State Conference | Undecided | GA85 |
| Kent Hartwig | IBEW Iowa State Conference | Undecided | GA85 |
| Threase Harms | IBEW Iowa State Conference | 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 Association of Electric Cooperatives | Undecided | GA85 |
| Paula Dierenfeld | Iowa Association of Electric Cooperatives | Undecided | GA85 |
| Scott Sundstrom | Iowa Association of Electric Cooperatives | Undecided | GA85 |
| Tim Coonan | Iowa Association of Electric Cooperatives | Undecided | GA85 |
| Brad Epperly | Iowa Automobile Dealers Association | Supporting | GA85 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Supporting | GA85 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Supporting | GA85 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Undecided | GA85 |
| Elizabeth Baird | Iowa Dept. of Transportation | Undecided | GA85 |
| Jim Obradovich | Iowa Environmental Council | Supporting | GA85 |
| Robert Mulqueen | Iowa Environmental Council | Supporting | GA85 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Grocery Industry Association | Undecided | GA85 |
| Susan Guy | Iowa Interfaith Power & Light | Supporting | GA85 |
| Brad Epperly | Iowa Propane Gas Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Propane Gas Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Propane Gas Association | Undecided | GA85 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA85 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA85 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA85 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA85 |
| Scott Sundstrom | Iowa Society of Certified Public Accountants | Undecided | GA85 |
| Mike Heller | Iowa State Association of Assessors | Undecided | GA85 |
| Paula Feltner | Iowa State Association of Assessors | Undecided | GA85 |
| Mark Douglas | Iowa Utility Association | Supporting | GA85 |
| Larry Blixt | KWIK Trip, Inc. | Supporting | GA85 |
| Larry Blixt | KWIK Trip, Inc. | Undecided | GA85 |
| John Pederson | Kum and Go | Supporting | GA85 |
| Matt Eide | Kum and Go | Supporting | GA85 |
| John Davis | MidAmerican Energy Company | Supporting | GA85 |
| Daniel Weiser | Trans Iowa | Undecided | GA85 |
| Robert Weiser | Trans Iowa | Undecided | GA85 |
| Bob Rafferty | Truckstops of Iowa | Undecided | GA85 |
| John Pederson | UPS | Supporting | GA85 |
| Matt Eide | UPS | Supporting | GA85 |