| Brad Epperly | Deere & Company | Undecided | GA83 |
| James West | Deere & Company | Undecided | GA83 |
| Jason Francque | Deere & Company | Undecided | GA83 |
| Keith Luchtel | Deere & Company | Undecided | GA83 |
| Paula Dierenfeld | Deere & Company | Undecided | GA83 |
| Scott Sundstrom | Deere & Company | Undecided | GA83 |
| Thomas Iles | Deere & Company | Undecided | GA83 |
| Brad Epperly | Federation of IA Insurers | Undecided | GA83 |
| James West | Federation of IA Insurers | Undecided | GA83 |
| Paula Dierenfeld | Federation of IA Insurers | Undecided | GA83 |
| Scott Sundstrom | Federation of IA Insurers | Undecided | GA83 |
| Brad Epperly | Greater Des Moines Partnership | Supporting | GA83 |
| James West | Greater Des Moines Partnership | Supporting | GA83 |
| Jay Byers | Greater Des Moines Partnership | Supporting | GA83 |
| Keith Luchtel | Greater Des Moines Partnership | Supporting | GA83 |
| Paula Dierenfeld | Greater Des Moines Partnership | Supporting | GA83 |
| Scott Sundstrom | Greater Des Moines Partnership | Supporting | GA83 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Supporting | GA83 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Supporting | GA83 |
| Mike St. Clair | IA. Biotechnology Assn. | Supporting | GA83 |
| tom fey | IA. Biotechnology Assn. | Supporting | GA83 |
| Brad Epperly | IA. Chamber Alliance | Supporting | GA83 |
| James West | IA. Chamber Alliance | Supporting | GA83 |
| Keith Luchtel | IA. Chamber Alliance | Supporting | GA83 |
| Paula Dierenfeld | IA. Chamber Alliance | Supporting | GA83 |
| Scott Sundstrom | IA. Chamber Alliance | Supporting | GA83 |
| Laverne Schroeder | IA. Nebraska Farm Equipment Dealers Assn. | Undecided | GA83 |
| Jerry Fitzgerald | IA. Renewable Fuels Assn. (IRF) | Undecided | GA83 |
| Maggie Smith-Fitzgerald | IA. Renewable Fuels Assn. (IRF) | Undecided | GA83 |
| Mark Joyce | IA. Renewable Fuels Assn. (IRF) | Undecided | GA83 |
| Mike Heller | IA. Retail Federation | Undecided | GA83 |
| Paula Feltner | IA. Retail Federation | 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 |
| Ed Wallace | IA. Taxpayers Assn. | Supporting | GA83 |
| Brad Epperly | Monsanto Company | Supporting | GA83 |
| Brad Epperly | Monsanto Company | Undecided | GA83 |
| James West | Monsanto Company | Supporting | GA83 |
| James West | Monsanto Company | Undecided | GA83 |
| Keith Luchtel | Monsanto Company | Supporting | GA83 |
| Keith Luchtel | Monsanto Company | Undecided | GA83 |
| Paula Dierenfeld | Monsanto Company | Supporting | GA83 |
| Paula Dierenfeld | Monsanto Company | Undecided | GA83 |
| Scott Sundstrom | Monsanto Company | Supporting | GA83 |
| Scott Sundstrom | Monsanto Company | Undecided | GA83 |
| Amy Campbell | Professional Developers of IA (PDI) | Undecided | GA83 |
| Craig Patterson | Professional Developers of IA (PDI) | Undecided | GA83 |
| David Adelman | Technology Assn. of IA | Supporting | GA83 |
| David Adelman | Technology Assn. of IA | Undecided | GA83 |