| MARK MAXWELL | ABATE of Iowa | Supporting | GA87 |
| 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 |
| Angela Davis | Alamo Rent A Car | Undecided | GA87 |
| Bill Wimmer | Alamo Rent A Car | 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 |
| Michael Triplett | COPIC | Withdrawn | GA87 |
| Michael Triplett | COPIC | Opposing | GA87 |
| Angela Davis | Enterprise Rent-A-Car | Undecided | GA87 |
| Bill Wimmer | Enterprise Rent-A-Car | Undecided | GA87 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | 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 |
| Angela Davis | Iowa Beverage Association | Undecided | GA87 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA87 |
| Angela Davis | Iowa Lumber Association | Undecided | GA87 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA87 |
| William Peterson | Iowa State Association of Counties | Supporting | GA87 |
| William Peterson | Iowa State Association of Counties | Undecided | GA87 |
| William Heckroth | Iowa State Association of County Supervisors | Supporting | GA87 |
| Jarret Heil | Iowa State County Treasurers Association | Supporting | GA87 |
| Angela Davis | National Rent A Car | Undecided | GA87 |
| Bill Wimmer | National Rent A Car | Undecided | GA87 |