| Marcia Nichols | AFSCME IA Council 61 | Supporting | GA83 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA83 |
| James West | BNSF Railway Co. | Undecided | GA83 |
| Keith Luchtel | BNSF Railway Co. | Undecided | GA83 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA83 |
| Scott Sundstrom | BNSF Railway Co. | Undecided | GA83 |
| Nicole Woodroffe | CRST International | Undecided | GA83 |
| Robert Weiser | CRST International | Undecided | GA83 |
| Sara Mentzer | Cedar Rapids Chamber of Commerce | Supporting | GA83 |
| Larry Murphy | City of Cedar Rapids | Supporting | GA83 |
| Brice Oakley | City of Coralville | Undecided | GA83 |
| Don Avenson | City of Coralville | Undecided | GA83 |
| Tom Cope | City of Coralville | Undecided | GA83 |
| Bruce Bergman | City of Des Moines | Undecided | GA83 |
| Jerry Fitzgerald | City of Des Moines | Undecided | GA83 |
| Maggie Smith-Fitzgerald | City of Des Moines | Undecided | GA83 |
| Mark Joyce | City of Des Moines | Undecided | GA83 |
| Brice Oakley | City of West Des Moines | Undecided | GA83 |
| Don Avenson | City of West Des Moines | Undecided | GA83 |
| Tom Cope | City of West Des Moines | Undecided | GA83 |
| Brad Epperly | Deere & Company | Undecided | GA83 |
| James West | 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 | Greater Des Moines Partnership | Undecided | GA83 |
| Brad Epperly | Greater Des Moines Partnership | Supporting | GA83 |
| James West | Greater Des Moines Partnership | Undecided | GA83 |
| James West | Greater Des Moines Partnership | Supporting | GA83 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA83 |
| Keith Luchtel | Greater Des Moines Partnership | Undecided | GA83 |
| Keith Luchtel | Greater Des Moines Partnership | Supporting | GA83 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA83 |
| Paula Dierenfeld | Greater Des Moines Partnership | Supporting | GA83 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA83 |
| Scott Sundstrom | Greater Des Moines Partnership | Supporting | GA83 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Brad Epperly | IA. Automobile Dealers Assn. | Undecided | GA83 |
| James West | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Robert Hartwig | IA. Bankers Assn. | Undecided | 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 |
| Brad Epperly | IA. Grocery Industry Assn. | Undecided | GA83 |
| James West | IA. Grocery Industry Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Grocery Industry Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Grocery Industry Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Grocery Industry Assn. | Undecided | GA83 |
| John Benson | IA. Homeland Security & Emergency Management Div. | Undecided | GA83 |
| Greg Boattenhamer | IA. Hospital Assn. | Undecided | GA83 |
| J. Norris | IA. Hospital Assn. | Undecided | GA83 |
| Shannon Strickler | IA. Hospital Assn. | Undecided | GA83 |
| Alan Kemp | IA. League of Cities | Supporting | GA83 |
| Jessica Hyland | IA. League of Cities | Supporting | GA83 |
| Julie Smith | IA. League of Cities | Supporting | GA83 |
| Larry Pope | IA. League of Cities | Supporting | GA83 |
| Megan Peiffer | IA. League of Cities | Supporting | GA83 |
| Laverne Schroeder | IA. Nebraska Farm Equipment Dealers Assn. | Undecided | GA83 |
| Brad Epperly | IA. Propane Gas Assn. | Undecided | GA83 |
| James West | IA. Propane Gas Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Propane Gas Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Propane Gas Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Propane Gas 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 |
| Hanna DeGroot | IA. State Assn. of Counties | Undecided | GA83 |
| Linda Hinton | IA. State Assn. of Counties | Undecided | GA83 |
| Nathan Bonnett | IA. State Assn. of Counties | Undecided | GA83 |
| William Peterson | IA. State Assn. of Counties | Undecided | GA83 |
| Cloyd Robinson | Iowans for Tax Relief | Opposing | GA83 |
| Edward Failor, | Iowans for Tax Relief | Opposing | GA83 |
| Katie Koberg | Iowans for Tax Relief | Opposing | GA83 |
| Mary Earnhardt | Iowans for Tax Relief | Opposing | GA83 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA83 |
| Brad Epperly | Monsanto Company | Undecided | GA83 |
| James West | Monsanto Company | Undecided | GA83 |
| Keith Luchtel | Monsanto Company | Undecided | GA83 |
| Paula Dierenfeld | Monsanto Company | Undecided | GA83 |
| Scott Sundstrom | Monsanto Company | Undecided | GA83 |