| Marty Ryan | American Civil Liberties Union of IA (ACLU-IA) | Undecided | GA83 |
| Andrew Baumert | Board of Regents, State of IA | Undecided | GA83 |
| David Miles | Board of Regents, State of IA | Undecided | GA83 |
| Joe Murphy | Board of Regents, State of IA | Undecided | GA83 |
| Keith Saunders | Board of Regents, State of IA | Undecided | GA83 |
| Robert Donley | Board of Regents, State of IA | Undecided | GA83 |
| Brad Epperly | Deere & Company | Opposing | GA83 |
| James West | Deere & Company | Opposing | GA83 |
| Keith Luchtel | Deere & Company | Opposing | GA83 |
| Paula Dierenfeld | Deere & Company | Opposing | GA83 |
| Scott Sundstrom | Deere & Company | Opposing | GA83 |
| Thomas Iles | Deere & Company | Opposing | GA83 |
| Brad Epperly | Greater Des Moines Partnership | Opposing | GA83 |
| James West | Greater Des Moines Partnership | Opposing | GA83 |
| Jay Byers | Greater Des Moines Partnership | Opposing | GA83 |
| Keith Luchtel | Greater Des Moines Partnership | Opposing | GA83 |
| Paula Dierenfeld | Greater Des Moines Partnership | Opposing | GA83 |
| Scott Sundstrom | Greater Des Moines Partnership | Opposing | GA83 |
| Brad Epperly | IA. Broadcasters Assn. | Undecided | GA83 |
| James West | IA. Broadcasters Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Broadcasters Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Broadcasters Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Broadcasters Assn. | Undecided | GA83 |
| Brad Epperly | IA. Chamber Alliance | Opposing | GA83 |
| James West | IA. Chamber Alliance | Opposing | GA83 |
| Keith Luchtel | IA. Chamber Alliance | Opposing | GA83 |
| Paula Dierenfeld | IA. Chamber Alliance | Opposing | GA83 |
| Scott Sundstrom | IA. Chamber Alliance | Opposing | GA83 |
| Julie Fleming | IA. Dept. of Human Services | Undecided | GA83 |
| Janice Laue | IA. Federation of Labor, AFL-CIO | Undecided | GA83 |
| Ken Sagar | IA. Federation of Labor, AFL-CIO | Undecided | GA83 |
| Laverne Schroeder | IA. Nebraska Farm Equipment Dealers Assn. | Undecided | GA83 |
| Brad Epperly | IA. Society of Certified Public Accountants | Undecided | GA83 |
| James West | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Keith Luchtel | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Paula Dierenfeld | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Scott Sundstrom | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Larry Blixt | IA. Speedway | Undecided | GA83 |
| Mike Heller | IA. State Police Assn. | Supporting | GA83 |
| Paula Feltner | IA. State Police Assn. | Supporting | GA83 |
| Brad Epperly | Monsanto Company | Opposing | GA83 |
| James West | Monsanto Company | Opposing | GA83 |
| Keith Luchtel | Monsanto Company | Opposing | GA83 |
| Paula Dierenfeld | Monsanto Company | Opposing | GA83 |
| Scott Sundstrom | Monsanto Company | Opposing | GA83 |
| Mike Heller | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA83 |
| Paula Feltner | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA83 |
| Susan Judkins | Rebuild IA Office | Undecided | GA83 |