| Brad Epperly | AIG-American International Companies | Undecided | GA84 |
| Keith Luchtel | AIG-American International Companies | Undecided | GA84 |
| Paula Dierenfeld | AIG-American International Companies | Undecided | GA84 |
| Scott Sundstrom | AIG-American International Companies | Undecided | GA84 |
| Rita Bettis Austen | American Civil Liberties Union of IA (ACLU-IA) | Undecided | GA84 |
| Stacy Frelund | American Heart Assn. | Undecided | GA84 |
| Brad Epperly | American Insurance Assn. | Undecided | GA84 |
| Keith Luchtel | American Insurance Assn. | Undecided | GA84 |
| Paula Dierenfeld | American Insurance Assn. | Undecided | GA84 |
| Scott Sundstrom | American Insurance Assn. | Undecided | GA84 |
| Brad Epperly | Deere & Company | Undecided | GA84 |
| Jason Francque | Deere & Company | Undecided | GA84 |
| Keith Luchtel | Deere & Company | Undecided | GA84 |
| Paula Dierenfeld | Deere & Company | Undecided | GA84 |
| Scott Sundstrom | Deere & Company | Undecided | GA84 |
| Brad Epperly | Federation of IA Insurers | Undecided | GA84 |
| Paula Dierenfeld | Federation of IA Insurers | Undecided | GA84 |
| Scott Sundstrom | Federation of IA Insurers | Undecided | GA84 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA84 |
| Keith Luchtel | Greater Des Moines Partnership | Undecided | GA84 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA84 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA84 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Kevin Condon | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Brad Epperly | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Brad Epperly | IA. Automobile Dealers Assn. | Undecided | GA84 |
| Keith Luchtel | IA. Automobile Dealers Assn. | Undecided | GA84 |
| Paula Dierenfeld | IA. Automobile Dealers Assn. | Undecided | GA84 |
| Scott Sundstrom | IA. Automobile Dealers Assn. | Undecided | GA84 |
| Brad Epperly | IA. Chamber Alliance | Undecided | GA84 |
| John Stineman | IA. Chamber Alliance | Undecided | GA84 |
| Keith Luchtel | IA. Chamber Alliance | Undecided | GA84 |
| Paula Dierenfeld | IA. Chamber Alliance | Undecided | GA84 |
| Scott Sundstrom | IA. Chamber Alliance | Undecided | GA84 |
| Adam Mason | IA. Citizens for Community Improvement Action Fund | Supporting | GA84 |
| Charlie Wishman | IA. Federation of Labor, AFL-CIO | Undecided | GA84 |
| Ken Sagar | IA. Federation of Labor, AFL-CIO | Undecided | GA84 |
| Brad Epperly | IA. Grocery Industry Assn. | Undecided | GA84 |
| Keith Luchtel | IA. Grocery Industry Assn. | Undecided | GA84 |
| Paula Dierenfeld | IA. Grocery Industry Assn. | Undecided | GA84 |
| Scott Sundstrom | IA. Grocery Industry Assn. | Undecided | GA84 |
| Jessica Hyland | IA. Insurance Institute | Opposing | GA84 |
| Stephen Morain | IA. Insurance Institute | Opposing | GA84 |
| Stephen Roberts | IA. Insurance Institute | Opposing | GA84 |
| Thomas Stanberry | IA. Insurance Institute | Opposing | GA84 |
| Amy Campbell | League of Women Voters of IA | Supporting | GA84 |
| Craig Patterson | League of Women Voters of IA | Supporting | GA84 |
| Jen Schulte | MedImmune | Undecided | GA84 |
| Kent Hartwig | MedImmune | Undecided | GA84 |
| Threase Harms | MedImmune | Undecided | GA84 |
| Brad Epperly | Monsanto Company | Undecided | GA84 |
| Keith Luchtel | Monsanto Company | Undecided | GA84 |
| Scott Sundstrom | Monsanto Company | Undecided | GA84 |
| F. Thornton | Personal Interest-Richard Thornton | Undecided | GA84 |
| Sandra Simmons | Sierra Club of Iowa Chapter | Supporting | GA84 |
| Mark Cooper | South Central Iowa Federation of Labor AFL-CIO | Undecided | GA84 |