| Brad Epperly | AIG-American International Companies | Undecided | GA87 |
| Dustin Miller | AIG-American International Companies | Undecided | GA87 |
| Paige Thorson | AIG-American International Companies | Undecided | GA87 |
| Paula Dierenfeld | AIG-American International Companies | Undecided | GA87 |
| John Pederson | Alter Trading Corporation | Undecided | GA87 |
| Matt Eide | Alter Trading Corporation | Undecided | GA87 |
| Brad Epperly | American Insurance Association | Undecided | GA87 |
| Dustin Miller | American Insurance Association | Undecided | GA87 |
| Paige Thorson | American Insurance Association | Undecided | GA87 |
| Paula Dierenfeld | American Insurance Association | Undecided | GA87 |
| John Pederson | CN Rail | Undecided | GA87 |
| Matt Eide | CN Rail | Undecided | GA87 |
| Steven Schoenebaum | Dow AgroSciences | Withdrawn | GA87 |
| Steven Schoenebaum | Dow AgroSciences | Undecided | GA87 |
| Michael Triplett | Greater Iowa Apartment Association | Supporting | GA87 |
| Bob Skow | Independent Insurance Agents of Iowa | Undecided | GA87 |
| Larry Blixt | Independent Insurance Agents of Iowa | Undecided | GA87 |
| Thomas O'Meara | Independent Insurance Agents of Iowa | Undecided | GA87 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA87 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Undecided | GA87 |
| Angela Davis | Iowa Association for Justice | Undecided | GA87 |
| Bill Wimmer | Iowa Association for Justice | Undecided | GA87 |
| Brad Lint | Iowa Association for Justice | Undecided | GA87 |
| Lisa Davis-Cook | Iowa Association for Justice | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA87 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA87 |
| Paige Thorson | Iowa Automobile Dealers Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA87 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA87 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA87 |
| Joe Kelly | Iowa Manufactured Housing Association | Supporting | GA87 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA87 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA87 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA87 |
| Jim Carney | Iowa State Bar Association | Undecided | GA87 |
| Shannon Henson | Iowa State Bar Association | Undecided | GA87 |
| Mark Joyce | Iowa Whitetail Deer Association | Supporting | GA87 |
| Joe Kelly | Landlords of Iowa | Supporting | GA87 |
| Joe Kelly | Landlords of Iowa | Withdrawn | GA87 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA87 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA87 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA87 |
| Frederick Haskins | Patterson Law Firm LLP | Supporting | GA87 |
| Frederick Haskins | Patterson Law Firm LLP | Undecided | GA87 |
| Steven Schoenebaum | Pattison Sand Company, L.L.C. | Withdrawn | GA87 |
| Steven Schoenebaum | Pattison Sand Company, L.L.C. | Undecided | GA87 |
| Steven Schoenebaum | Smithfield Foods, Inc. | Undecided | GA87 |
| Steven Schoenebaum | Syngenta Crop Protection | Withdrawn | GA87 |
| Steven Schoenebaum | Syngenta Crop Protection | Undecided | GA87 |
| Michael Triplett | Union Pacific Railroad | Undecided | GA87 |